GROWSPAN™ ROUND PREMIUM GREENHOUSES
GrowSpan™
Round Premium Greenhouses
©2019 GrowSpan
All Rights Reserved. Reproduction
is prohibited without permission.
Revision date: 01.10.19
Photo may show a dierent but similar model.
STK# DIMENSIONS
106201 14’ W x 8' 3" H x 16’ L
106202 14’ W x 8' 3" H x 20’ L
106203 14’ W x 8' 3" H x 24’ L
106204 14’ W x 8' 3" H x 28’ L
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
READ THIS DOCUMENT BEFORE YOU BEGIN
Thank you for purchasing this GrowSpan™ greenhouse.
When properly assembled and maintained, this product will
provide years of reliable service. These instructions include
helpful hints and important information needed to safely
assemble and properly maintain the greenhouse. Please
read these instructions before you begin.
If you have any questions during the assembly, contact
Customer Service at 1-800-245-9881 for assistance.
SAFETY PRECAUTIONS
• Wear eye protection.
• Wear head protection.
• Wear gloves when handling metal tubes.
• Use a portable GFCI (Ground Fault Circuit Interrupter)
when working with power tools and cords.
• Do not climb on the greenhouse or framing during or
after construction.
• Do not occupy the greenhouse during high winds,
tornadoes, or hurricanes.
• Provide adequate ventilation if the structure is
enclosed.
• Do not store hazardous materials in the greenhouse.
• Provide proper ingress and egress to prevent
entrapment.
ANCHORING INSTRUCTIONS
Prior to assembling this greenhouse, please read the
MUST READ document included with the shipment.
WARNING: The anchor assembly is an integral part
of the greenhouse construction. Improper anchoring
may cause greenhouse instability and failure of the
structure. Failing to anchor the greenhouse properly
will void the manufacturer’s warranty and may cause
serious injury and damage.
LOCATION
Choosing the proper location is an important step before
you begin to assemble the structure.
The following suggestions and precautions will help you
determine whether your selected location is the best
location.
• Never erect the structure under power lines.
• Identify whether underground cables and pipes are
present before preparing the site or anchoring the
structure.
• Location should be away from structures that could
cause snow to drift on or around the building.
• Do not position the greenhouse where large loads
such as snow and ice, large tree branches, or other
overhead obstacles could fall.
• Always check local building codes before you begin.
SITE
After choosing a location, proper preparation of the site is
essential. The following site characteristics will help ensure
the integrity of the structure.
• A level site is required. The site must be level to
properly and safely erect and anchor the structure.
• If the site is not level, use footings to provide a secure
base to assemble the structure. Pre-cast concrete
blocks, pressure-treated wood posts, or poured
footings are all acceptable when properly used. (Some
shelters use ground posts or rafter feet.)
• Drainage: Water draining o the structure and from
areas surrounding the site should drain away from the
site to prevent damage to the site, the structure, and
contents of the structure.
WARNING: The individuals assembling this structure
are responsible for designing and furnishing all
temporary bracing, shoring and support needed during
the assembly process. For safety reasons, those who
are not familiar with recognized construction methods
and techniques must seek the help of a qualified
contractor.
POLYCARBONATE PANELS
Do not allow panels to remain in direct sunlight with
protective film in place. Doing so will cause protective
film to become difficult if not impossible to remove before
installation.
Store panels indoors or cover with a light-colored
tarp until you are ready to install.
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106201_02_03_04 Revision date: 01.10.19
ASSEMBLY PROCEDURE
GROWSPAN™ ROUND PREMIUM GREENHOUSES
SHELTER CARE AND MAINTENANCE
Following instructions as presented will help ensure proper
assembly of your greenhouse. Failing to follow these steps
may result in an improperly assembled and anchored
greenhouse and will void all warranty and protection the
owner is entitled to.
Steps outlining assembly are as follows:
1. Verify all parts are included in shipment. Notify
Customer Service for questions or concerns.
2. Read these instructions, the Must Read document, and
all additional documentation included with shipment
before you begin.
3. Gather tools, bracing, ladders (and lifts), and assistants
needed to assemble greenhouse.
4. Check weather before installing roof cladding. Do not
install cladding on a windy or stormy day.
5. Re-evaluate location and site based on information and
precautions presented in documentation included.
6. Prepare site.
7. Assemble frame components in the order presented.
8. Assemble frame including struts (if equipped).
9. Consult MUST READ document and properly anchor
frame.
10. Install end wall frame.
11. Install end wall cladding and door.
12. Install roof cladding.
13. Read the care and maintenance information in next
column.
14. Complete and return all warranty documents as
instructed.
Proper care and maintenance of the shelter is important.
Check these items periodically to properly maintain shelter:
• Regularly check all polycarbonate panels to see these
are secure and in good condition. Replace damaged
panels immediately.
• Check connections and all fasteners to verify these
remain tight.
• Do not climb or stand on greenhouse at anytime.
• Inspect anchoring system to verify all components
remain tight and in good condition.
• Remove debris and objects that accumulate on
greenhouse. Use tools that will not damage panels
cover when removing debris.
• Remove snow to prevent excess accumulation. Use
tools that will not damage polycarbonate panels when
removing snow.
• Check contents of shelter to verify that nothing is
touching panels that could cause damage.
• If greenhouse is disassembled and moved, inspect all
parts and connections before reassembly.
• Depending on contents, construction of shelter,
shelter materials, and shelter location, the potential
for condensation exists. GrowSpan™ oers several
items that can be used to help alleviate a condensation
condition.
Please contact a GrowSpan™ representative for
additional information.
• For replacement or missing parts, call 1-800-245-9881
for assistance.
Revision date: 01.10.19 106201_02_03_04
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
REQUIRED TOOLS
SPECIAL NOTE: Baseboards for Frame
The following list identies the main tools needed to
assemble the shelter. Additional tools and supports may be
needed.
• Tape measure or measuring device
• Marker to mark locations on the pipes
• Variable speed clutched drill driver (cordless with
extra batteries works best)
• Saw to cut metal and polycarbonate panels
• Wrenches and impact socket set, or an adjustable
wrench
• Scissors, utility knife, or tin snips
• Hammers, rubber mallet, and gloves
• Flat bar or putty knives for panel installation
• Drill bit set that includes a 5/16" bit
• Chalk line
• Caulk gun to apply sealant
• Adjustable pliers and self-locking pliers
• Ladders, work platforms, and other machinery for lifting
designed to work safely at the height of the building
These instructions describe installing a baseboard
(recommended) at ground level along each side of the
frame. The baseboard runs from the front to the back of the
frame.
This baseboard is not included with the shipment and must
be supplied by the customer. Treated or recycled plastic
lumber works well for a baseboard.
The baseboard, when installed properly, helps prevent the
ground posts from sinking into the ground when anchored.
Depending on the building, it also provides a surface to
attach struts (if equipped) or other building components.
If used, the baseboard is installed after the roof panels.
Suggested baseboard dimensions: 2" x 6" (minimum).
Length determined by greenhouse. See page 32 for
additional baseboard comments.
QUICK START GUIDE
For a quick overview of the building and its components,
consult the information and diagrams in the Quick Start
section near the back of these instructions.
• Rope for temporary rafter bracing during frame
assembly
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
UNPACK AND IDENTIFY PARTS
The following steps will ensure that you have all the
necessary parts before you begin to assemble the shelter
frame.
1. Unpack the contents of the shipment and place where
you can easily inventory the parts. Refer to the Bill of
Materials/Spec Sheets.
2. Verify that all parts listed on the Bill of Materials/Spec
Sheets are present. If anything is missing or you have
questions, consult the Pictorial Parts Guide and all
diagrams for clarication, or contact Customer Service.
NOTE: At this time, you do not need to open the plastic
bags containing smaller parts such as fasteners or
washers (if equipped).
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106201_02_03_04 Revision date: 01.10.19
The following graphics and photos will help you identify
the dierent parts. (Some parts are not shown.)
GROWSPAN™ ROUND PREMIUM GREENHOUSES
FA4482B
Tek Screw
QH1330
Angle Bracket
Aluminum 8'
H-Channel Prole
FAH320B & FALB02B
Carriage Bolt & Hex Nut
FAH009B & FALB01B
Carriage Bolt & Hex Nut
102855
End Clamp
104548
End Cap Prole
Doors/Fans/Vents
102479
Cross Connector
104213
Aluminum
U-Channel Prole
108553 Wafer
Head Screws
111929 & 111928
H-channel Clear Plastic
102921 & FA4484B
Neo-bonded Galvanized
Washers and Long Tek Screws
104074
Square-to-Round Tube
Connect Bracket
QH1400
Band Clamps
104624
Square Tube Fitting
Revision date: 01.10.19 106201_02_03_04
QH1072
Post Driver
DE4007 Sealant
Plain
Swaged/Tapered
Swaged and Plain Rafter Sections
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
H-CHANNEL INSTALLATION INSTRUCTIONS
The new H-channel design requires installation of at side facing out with channel side toward building. Some diagrams and photos in this document may show installation of original H-channel with
channel side facing out. Design of new H-channel does not allow channel-side out installation.
Use the diagrams on this page to install H-channel with at side facing out.
ATTENTION: Use only 1-1/2" Tek screws to attach H-channel to building frame. Do not use
shorter screws. They will not hold. Do not use washers on Tek screws when installing
the 113236Z096 H-channel.
Flat
Side
Channel
UV-protected side
toward sun.
Flat side toward the sun.
Install 1-1/2" Tek screws through
H-channel into building frame.
Center Groove
H-Channel
ASSEMBLY NOTE: Install Tek screws using a clutched drill driver running
approximately 750 RPM while applying approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
ATTENTION: Install all twin-wall polycarbonate panels with UV-protected side toward the sun.
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106201_02_03_04 Revision date: 01.10.19
OVERVIEW
This section describes assembling your greenhouse. For
details, please see Assembling Frame Components. See
illustration below to identify main parts of greenhouse.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
GrowSpan™ Round
Premium Greenhouses
ATTENTION: Position purlins evenly during the frame assembly.
Use the rafter pipe joints as guides when installing the end
clamps, cross connectors, and purlins.
1. Locate required parts for each assembly procedure.
2. Assemble rafters and frame.
3. Anchor frame.
4. Assemble and install end walls.
5. Install door.
6. Prepare and attach end panels.
7. Prepare and attach roof
panels.
Interior Rafter
End Rafter
Purlins
Revision date: 01.10.19 106201_02_03_04
Customersupplied
Baseboard
Ground
Post
Frame length may dier from actual frame.
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
LAY OUT BUILDING SITE
After the site is prepared, lay out building site.
Taking these steps before assembling the shelter saves
time and ensures that the structure is positioned as
desired.
Drive ground posts to the proper depth. Width of the shelter
is measured from the center of one ground post to the
center of the remaining ground post.
SQUARE THE SITE
Gather the parts:
• Ground posts
• 5/16" x 2-1/2" machine bolts
• 5/16" nuts
1. Identify a corner where a ground post will be positioned
and drive the rst ground post into the ground.
NOTE: Insert the ground post driver into the top of
the ground post to protect the post and drive the post
into the ground. The top of the post will be twelve (12)
inches above the nished grade when properly driven.
3. Use a transit or line level to drive the second corner
post to the same depth as the rst ground post.
4. String a line at least as long as the building from the
rst stake at 90°.
NOTE: A transit can be used to ensure an accurate 90°
angle, or the 3-4-5 rule can be used. Refer to diagram.
Using multiples of 3-4-5 such as 6-8-10 or 12-16-20
helps to maintain an accurate 90° angle.
Ground Post
Outside of
Shelter
Inside of Shelter
ATTENTION: Position the pre-drilled holes facing to the
inside/outside of the shelter so they can be aligned with
the bolt holes in the rafter legs.
To align the bolt holes in the ground posts with those
in the rafter after driving the ground posts, insert a
tapered rod or pry bar into a ground post bolt hole and
turn the post using the rod or pry bar.
2. After the rst corner ground post is in place, string a
line the width of the building (center-to-center) and
drive the second ground post into the ground just
enough to hold it in place.
5. After squaring the position of the building, measure
the length (center-to-center) and drive the next corner
ground post.
6. Repeat the same step for the last corner post.
NOTE: The distance measured diagonally between
corner posts must be equal for the building to be
square.
7. Check all dimensions (and adjust if needed) before
driving the remaining posts to the required height.
8. After all corner posts are accurately installed, tie a
string line between the tops of the corner ground posts
on the same side of the shelter. The string is used to
identify the tops of all remaining ground posts. The
string must remain tight and level.
9. Use a tape measure to mark the 48" on-center
locations of the remaining ground posts.
10. Drive the remaining ground posts into the ground at the
required 48" on-center width and the height identied
by the string. See Step 1 if needed.
NOTE: Verify that the holes in the ground posts are in
the proper position and that each post is plumb and
driven to the correct depth.
11. Continue with the Rafter Assembly steps that follow.
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106201_02_03_04 Revision date: 01.10.19
ASSEMBLING FRAME COMPONENTS
GROWSPAN™ ROUND PREMIUM GREENHOUSES
After site is prepared and an inventory of parts is complete,
continue with the rafter assembly.
NOTE: All rafter assemblies consist of rafter tubes and
purlin clamps. Consult the Front Prole diagram in the
Quick Start section of these instructions before and during
the rafter assembly process.
Assistance is required to assemble the greenhouse frame.
RAFTER ASSEMBLY
Gather the parts:
• Rafter pipe (#14R1301D)
• Rafter pipe (#14R1302)
• Rafter pipe (#14R1303)
• End clamps (#102855)
• Tek screws (#FA4482B)
• Magnetic nut setter 3/8'' x 2-9/16"
END RAFTER ASSEMBLY
The end rafters include purlin end clamps. Install the purlin
end clamps before the dierent pipes of the rafters are
connected.
2. Slide three (3) end purlin clamps over the rafter pipes.
End clamp as seen from outside the assembled rafter.
NOTE: Consult the Front Prole diagram in the Quick
Start section for proper end clamp placement and
position.
3. After slipping the clamps over the rafter pipes, insert
the swaged end of the rafter pipes into the plain ends
of the pipes to assemble the rafter.
1. Select the four (4) pipes needed to assemble the rst
end rafter and arrange on a level surface.
(#14R1302)
(#14R1301D)
(#14R1303)
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
4. Once the rafter is assembled, install a Tek screw
through the rafter pipes to secure each joint. See the
diagram above.
IMPORTANT: Verify that you are installing the screw
through the pipe that contains the swaged end of the
adjacent pipe. To prevent damage to the cover and end
panels (if equipped), position the Tek screws so the
heads do not contact the cover when it is installed.
5. Repeat steps to assemble the remaining end rafter and
set both end rafters aside.
Do not use an impact driver to install Tek screws!
Revision date: 01.10.19 106201_02_03_04
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
RAFTER ASSEMBLY (CONTINUED) ASSEMBLE FRAME
INTERIOR RAFTER ASSEMBLY
Complete the following steps for the interior rafters.
1. Select the pipes for the rst interior rafter assembly and
position these on the ground as shown.
Gather parts:
• All rafter assemblies and cross connectors (102479)
• Purlin pipe 1.315'' x 75'' swaged (131S075)
• Purlin pipe 1.315'' x XX'' plain (131P0XX)
• 5/16" x 2-1/2" machine bolts and 5/16" nuts
• Tek screws (FA4482B)
(#14R1302)
(#14R1301D)
(#14R1303)
IMPORTANT: Interior rafters do not use end clamps.
Instead, cross connectors are attached during the
frame assembly.
2. Insert the swaged ends of the rafter pipes into the plain
ends of the pipes and secure each joint with a Tek
screw.
• Marker and tape measure
• Lifts, ladders, and assistants
• Rope or cable to temporarily brace rafters
NOTE: The purlins run perpendicular to rafter assemblies.
Each purlin consists of 1.315" x 75" (131S075) swaged
pipes (number is determined by shelter length) and one (1)
1.315" x XX" (131P0XX) plain pipe. Consult Side Prole
drawings for XX part identication.
Complete these steps to assemble frame.
1. Carefully stand rst end rafter and place leg pipes in
rst set of ground posts. Verify nuts and bolts of end
clamps are to the inside of the frame.
End Rafter
Toward inside the
greenhouse.
Purlin
NOTE: For longer frames, it may be easier to assemble
a few rafters at a time and then begin to assemble the
frame.
3. Once rafters are assembled, assemble the frame.
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2. Secure leg pipes to ground posts using 5/16" x 2-1/2"
machine bolts and nuts.
Rafter
5/16" x 2-1/2"
machine bolt
and 5/16" nut
Inside of
Shelter
Outside of
Shelter
Ground
Post
106201_02_03_04 Revision date: 01.10.19
3. Use rope or cable to brace rafter in position.
12' wide
center-to-center
4. Carefully position rst interior rafter in place and secure
leg pipes to the ground posts.
5. As second rafter is steadied, take one 131S075 pipe
and insert purlin pipe (plain end) through top end clamp
of end rafter and through a cross connector at top of
interior rafter. Consult Quick Start section for purlin
location per frame.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
8. Move to the interior rafter, set rafter spacing at
forty-eight inches (48") on-center (adjust forward or
backward as needed), and tighten cross connector.
9. Secure cross connector to rafter and purlin using Tek
screws. See Quick Start section if needed.
Interior Rafter
Purlin
Tek
Screw
10. Repeat Steps 5 - 9 to install rst section of each purlin
assembly for rst two rafters.
Interior Rafter
End Rafter
6. Align plain end of purlin with outside edge of end rafter.
Do not allow pipe to extend beyond edge of rafter tube.
Do not allow
purlin to extend
beyond end rafter.
End Rafter
End
Rafter
Purlin
Ground Level
11. Choose another interior rafter assembly and set it
in position. DO NOT USE THE REMAINING END
RAFTER.
12. Secure rafter legs to ground posts as previously
described and steady the rafter.
13. Add another 131S075 pipe to top purlin pipe and
secure pipe joint using an FA4482B Tek screw.
7. Tighten end clamp and secure it to rafter and purlin
using an FA4482B Tek screw.
Revision date: 01.10.19 106201_02_03_04
Purlin
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
FRAME ASSEMBLY (CONTINUED)
14. Verify distance between rafters is 48" center-to-center.
Adjust rafter forward or backward as needed. Tighten
cross connector and secure connector to purlin and
mid rafter. (See Step 9.)
Frame length may dier
from actual frame.
Ground Post
15. Repeat steps as needed to add and attach next
sections of purlin pipes. See arrows in above diagram.
Dashed line shows
ground level.
ANCHOR THE ASSEMBLED FRAME
At this point, anchor the greenhouse frame. Consult the
MUST READ document for anchoring information and
suggestions. Please call customer service at 1-800-2459881 for additional anchoring information.
Rafter and
Ground Post
Anchor Assembly
(Additional Purchase
Required)
16. Stand and secure remaining interior rafters and purlins
to complete frame assembly.
17. Finally, stand and secure end rafter to ground posts
and attach purlins. Verify end clamps are positioned
with the nut and bolt inside assembled frame. Refer
to the Quick Start section and previous diagrams if
needed.
NOTE: If last end rafter is plumb and purlin extends
beyond end rafter, cut the last section of plain purlin
pipe (131P0XX) to required length.
Typically purlins do not require cutting. Verify you have
correctly assembled purlins using correct pipes before
cutting any pipe to length. Review Side Prole diagram
for you building in Quick Start section.
18. Return to each pipe splice of each purlin and each
rafter and verify that a Tek screw is installed to secure
the joint. Install a Tek screw if needed.
19. Remove any temporary bracing (if needed) and anchor
the frame.
Ground Level
CAUTION: The anchor assembly is an integral part of
the greenhouse construction. Improper anchoring may
cause instability and failure of the structure to perform
as designed. Failing to anchor the shelter properly
will void the manufacturer’s warranty and may cause
serious injury and damage.
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
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106201_02_03_04 Revision date: 01.10.19
END WALL INSTALLATION
Steps to install end walls for greenhouse include:
1. Install end wall framing. (See diagrams in Quick Start
section at back of these instructions. Read installing
accessories note below.)
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Complete these steps to install the accessory framing:
1. Based on the installation requirements and precautions
of the accessory, choose a location in the end wall to
mount the accessory, and cut a 1.5" x 1.5" frame tube
to the required length for framing.
2. Prepare polycarbonate end panels and attach.
3. Assemble doors and attach.
INSTALL END WALL FRAMING
Site variations and different methods for anchoring
greenhouse may require slight changes to these
instructions. It is the responsibility of the owner/builder to
adapt these instructions as needed to adjust for these and
other differences.
INSTALLING END WALL FRAMING FOR OPTIONAL
HEATERS, VENT FANS, AND MOTORIZED SHUTTERS
(if equipped):
Optional accessories such as heaters, vent fans and
motorized shutter units are typically installed or attached
to end walls. Additional horizontal framing (included) is
installed between vertical end wall frame tubes to mount
most accessories. Spacing shown for end wall supports
on end frame diagrams may be too narrow for some
larger accessories. Diagrams do not show framing for
accessories.
When framing end wall, consult installation instructions for
accessories (if equipped), or measure width of accessory
to accurately space and position end frame tubes. Consult
panel installation diagrams in Quick Start section.
Before installing any greenhouse accessory, adhere to the
following:
2. Attach these horizontal frame tubes between the
vertical frame tubes (at required height determined
by instructions included with accessory) using angle
brackets.
INSTALL END WALL FRAMES
Refer to Quick Start section for layout of frame. Materials
and parts needed to assemble end frame include:
• Square tube (102897)
• Square tube tting (104624)
• Angle brackets (QH1330) & band clamp (QH1400)
• Square-to-round tube connect bracket (104074)
• Carriage bolt (FAH320) and nut (FALB32B)
• Tek screws (FA4482B)
Complete these steps:
1. Locate square metal tubing for base tube. Base tube
consists of two (2) 99" swaged tubes joined and cut to
length. See Quick Start section for clarication.
2. Insert swaged end into plain end to connect tubes.
3. Position assembled base tube on ground between legs
of end rafter at front of greenhouse. Anchor it in place.
• Consult end frame diagrams before installing accessory
horizontal framing.
• Consult diagrams in Quick Start section showing
polycarbonate panel locations and locations of
aluminum trim and prole before repositioning any end
wall vertical.
• DO NOT MOVE END WALL VERTICALS USED AT
THE SEAM OF TWO (2) POLYCARBONATE PANELS.
• Always consult installation guides that shipped
with accessory for additional precautions,
recommendations, and safety requirements.
• All electrical work to be completed by a licensed
electrician and according to established codes.
• For gas heaters, a professional, qualied service
technician must install the unit.
Revision date: 01.10.19 106201_02_03_04
NOTE: This base tube will be directly below and in line
with the end rafter.
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GROWSPAN™ ROUND PREMIUM GREENHOUSES
END WALL INSTALLATION (continued)
4. Secure base tube to end rafter ground posts using
angle brackets and FA4482B Tek screws.
The bracket shown in this
diagram can be installed
with either its short section
(as shown) or long section
attached to ground post.
Baseboard is not shown.
10. Measure distance between top of base tube and band
clamp (Step 7) to determine length of door jamb.
11. On this frame tube, mark length determined in Step 10
(above) and subtract the amount needed to account
for the square-to-round tube connect bracket, which
attaches to top of jamb. See diagram below. Cut tube
accordingly at swaged end to t.
Ground
Post
Base Tube
5. On base tube surface facing inside the greenhouse,
install a short Tek screw at each splice joint.
6. Mark center of base tube.
7. Measure width of door that shipped with greenhouse.
Mark lines accordingly to determine position of vertical
frame tubes.
8. Place band clamps on end rafter above the lines as
shown below. DO NOT TIGHTEN BOLTS AT THIS
TIME.
End Rafter
Front (or outside)
of the greenhouse
Square-toRound Tube
Connect
Bracket
Door Jamb
12. Select a square-to-round tube connect bracket and
attach bracket to one end of door jamb. Use a 5/16"
drill bit to drill a hole through tube and attach bracket
using a nut and carriage bolt.
13. Repeat steps to cut remaining door jamb.
Door Jamb
Position
Width of
door
center
Mark lines.
9. Select tubing for two vertical frame tubes (jambs) for
sides of door. Each support includes one (1) long 99"
section of square tubing (102897 swaged end) and one
(1) square-to-round tube bracket (104074).
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14. With square-to-round tube bracket attached to top of
each door jamb, use band clamp bolt to attach bracket
to the band clamp. DO NOT TIGHTEN AT THIS TIME.
NOTE: Position bolt heads for each clamp to the
outside. At this point, door jambs should be loosely
attached to end rafter.
106201_02_03_04 Revision date: 01.10.19
INSTALL THE END WALL FRAME (continued)
15. Using marks on base tube for rough door opening
(Steps 6 & 7), attach bottom of each door jamb to base
tube using an angle bracket and Tek screws. Consult
end frame diagram if needed.
Center of
Door Frame
Tube
Door Opening
Angle Bracket
Base Tube
Mark (Step 6)
16. Verify both door jambs are plumb and recheck width.
Adjust if needed. Tighten top band clamp and install a
short Tek screw through clamp into rafter.
17. Using 24" on-center measurements, mark positions
of remaining vertical frame tubes. Place band clamps
on end rafter above lines on base tube. Do not tighten
bolts at this time.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
19. Repeat Steps 10 -11 to cut each tube for the remaining
vertical frame members.
ATTENTION: Remember to subtract amount needed to
account for square-to-round tube bracket.
20. Choose a square-to-round tube bracket and attach
to one end of tube. Use a 5/16" drill bit to drill a hole
through tube. Attach bracket to tube using a nut and
carriage bolt.
Position all screws, bolts
and clamps so they will
not damage end
panels when
panels are
attached to
frame.
End Rafter
21. Place a square tube tting on bottom of frame tube.
Band Clamp
Square-toRound Tube
Connect
Bracket
Front (or
outside) of the
greenhouse
20"
On-Center
28"
On-Center
28"
On-Center
20"
On-Center
Mark lines.
18. Choose parts for each remaining vertical frame tube.
Each vertical support includes one (1) long 99" section
of square tubing (102897 swaged end), one (1) squareto-round tube bracket (104074), and one (1) square
tube tting (104624) to attach support to base tube.
22. Align center of frame tube with center mark on base
tube and attach top to the band clamp. Do not tighten.
104624
Center Mark
23. Verify that frame tube is plumb and use FA4482B Tek
screws to secure square tube tting to base tube.
Revision date: 01.10.19 106201_02_03_04
15
GROWSPAN™ ROUND PREMIUM GREENHOUSES
INSTALL THE END WALL FRAME (continued)
24. Tighten band clamp and install a short Tek screw
through backside of clamp and into rafter.
ATTENTION: Frame of door is designed to "wrap
around" the door jambs. Diagram below shows how
door is installed.
Inside view
of end rafter
25. Repeat procedure as needed to assemble and install
the remaining vertical end wall supports.
DOOR INSTALLATION
Install door between door jambs. The following steps
describe one way to install door.
1. Move to bottom of door jamb and swing tube outward
as shown below.
Door
Jamb
Frame of Supplied Door
Door
Jamb
TOP VIEW OF DOOR
2. With proper assistance, lift door and position it in the
opening.
ATTENTION: Door jambs sit within frame channel
door. Header tube will sit on top of installed door.
Door Jamb
ATTENTION: If tube is attached to base rail, remove
Tek screws and continue.
16
3. With door held in place, swing loose door jamb back
into position. Secure jamb to base rail using Tek
screws.
4. Choose square tube for door header and cut swaged
end to proper width of rough door opening.
QH1330 Angle
Brackets
Width of Door Frame
5. Attach two (2) (QH1330) angle brackets to header
using Tek screws. Verify brackets are flush with tube
ends.
106201_02_03_04 Revision date: 01.10.19
INSTALL THE END WALL FRAME (continued)
GROWSPAN™ ROUND PREMIUM GREENHOUSES
6. Place door header tube on top of installed door. Verify
header is tight against jambs and is level. Secure
header to jambs using Tek screws.
Tek
screws
7. Repeat steps to assemble remaining end frame.
ATTENTION: End framing for back end wall is
identical, but will not include a door.
Space below reserved for customer notes.
8. After end frames are assembled, return to each band
clamp and pipe splice of base tubes and verify that a
Tek screw is installed. Install a Tek screw if needed.
9. Continue by installing polycarbonate end wall panels.
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
Revision date: 01.10.19 106201_02_03_04
17
GROWSPAN™ ROUND PREMIUM GREENHOUSES
END PANEL INSTALLATION
After installing end wall framing, attach polycarbonate
panels. Steps that follow describe one way to complete end
wall panel installation.
Always remove protective lm and mark and install UVprotected side to the outside toward the sun.
Materials and parts needed to install end panels include:
• Polycarbonate Panels (See diagrams in Quick Start
section for panel layout and identication.)
• White vent tape (104774) & foil tape (DH8007)
• Aluminum H-channel (113236Z096)
• End cap prole (104548) & U-channel (104213)
• Tek screws (FA4484B) & Neo-bonded, galvanized
washers (102921B)
Read the following information before starting:
• H-channel is used to join two (2) separate panels at
seam.
• Tek Screws and galvanized washers are used to
secure panels to each end wall frame column.
• Install polycarbonate panels with UV-protected side to
the outside. Mark side with a marker or tape to identify
after removing protective lm if needed.
ATTENTION: Remove protective lm from panels
before installation. Do not allow lm to remain intact
and in direct sunlight; doing so will make lm dicult
if not impossible to remove.
• During preparation, rest edges of panels on cardboard
or other material to protect them from dirt and damage.
• Seal bottom edge of panels with white vent tape. Top is
sealed with foil tape after installation.
• Consult polycarbonate panels (Quick Start section)
for location and lengths of each panel. Diagrams are
located at the back of these instructions.
Mark UV Side
X
2. Apply vent tape along one end of panel to seal cells.
This is bottom of panel when installed.
3. Install a piece of 104213 U-channel along door edge of
panel. Consult panel location diagrams. Place panel at
edge of opening for door as shown below.
Polycarbonate
Panel (6' x 10')
U-Prole attached to
panel along door edge.
ATTENTION: Position panels as shown on panel diagrams.
Using a panel in the incorrect place can aect placement of
subsequent panels. Begin at door end of frame.
Complete the following general steps to install end wall
panels. Evenly space screws every 16".
NOTE: If equipped, install all accessories (fans, vents,
heaters, etc.) after installing polycarbonate panels.
1. Select rst panel and remove protective lm panel.
Secure end panels to all vertical end frame tubes using
FA4484B screws and 102921B washers. Do not attach
panels to end rafter.
18
U-channel installed to
nish panel bottom.
NOTE: If door design allows, tuck panel behind door
channel of door.
4. Finish bottom of panel using 104213 u-channel.
106201_02_03_04 Revision date: 01.10.19
END PANEL INSTALLATION (continued)
5. Attach panel (taped end down) to vertical end wall
framing using FA4484B Tek screws and 102921 neobonded washers. Consult End Panel diagrams. Space
screws evenly at 16".
ATTENTION: Do not secure panel to end rafter. Doing
so will interfere with ashing installation.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
8. After cutting panel to proper width, measure and cut
two sections of H-channel to correct length. H-channel
is used to join two separate panels. Install H-channel
with at side out.
9. Install one section of H-channel along each panel
edge. Install H-channel ush with panel bottom. Install
panel with UV-protected side out.
10. Measure between edges of H-channel at panel bottom
and cut a section of end cap prole (104548) to t
between H-channel.
Trimmed polycarbonate panel
above the door.
End Cap
104548
H-channel: Install
at side out.
6. With panel secured in place, cut it to size. Use rafter
as a guide when cutting top.
ATTENTION: Skip this step if desired and complete it
once all panels are installed. Review ashing and roof
panel installation steps later in this guide to determine
end panel length. Panel to remain ush with top of end
rafter pipe.
7. Take the 4' x 8' panel and cut a section to cover above
door. Prepare as previously described. Remember to
account for installation of adjacent panel and H-channel
between panels. Actual frame may dier.
Measure Width
(center-to-center)
11. Install end cap prole on bottom of small panel. When
installed, it will overlap top of door frame.
12. Using Tek screws (no washers), secure panel in place
above door by installing a screw through center of
H-channel and into frame member. Install at side out.
Install UV-protected side of panel to the outside.
Cut from a 4' x 8'
panel.
Install H-Channel
here.
Revision date: 01.10.19 106201_02_03_04
NOTE: H-channel to remain below top of rafter and
short enough to allow for installation of ashing.
13. Repeat steps to prepare and install nal 6' x 10' panel
for this end wall.
Secure end panels to all vertical end frame tubes using
FA4484B screws and 102921B washers.
19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
END PANEL INSTALLATION (continued)
14. Place panel in position with its UV-protected surface to
the outside and attach to end wall framing.
U-Prole attached to panel
along door edge.
6' x 10' 6' x 10'
ATTENTION: Space screws and washers at 16" oncenter. Install 104213 u-channel along bottom of panels.
Greenhouse in photo used for illustration only. It is of a
dierent model.
Review ashing installation steps later in this guide to
determine length. Panel to remain ush with top of end
rafter pipe.
Flashing, installed in the next procedure, will cover tops
of all end panels. See dashed line in previous diagram.
16. Apply DH8007 foil tape to the tops of all end panels
to seal all open cells before ashing installation. See
dashed line in previous diagram.
17. Standing outside the door, install Tek screws through
door frame and into end wall frame member to secure.
Tek screw
15. Cut panel(s) to proper height after attaching to frame.
Cut upper panel
to proper length.
18. Repeat procedures (as needed) to install remaining
end panels for other end of greenhouse.
NOTE: Consult Quick Start section for additional
information and panel identication for back (no door)
end wall
19. Continue with Gable Flashing Installation procedures
on next pages.
20
ATTENTION: In above photo, top of panel is
removed using a power tool equipped with a round
cutting bit.
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
GABLE FLASHING INSTALLATION Gather Parts and Tools:
After installing end panels, install flashing to finish and seal
top edge of end wall panels.
Complete these steps:
1. Take one section of PGFLSAXXFCW0063 ashing and
place it in place on end rafter.
2. Mark ashing where rafter begins to bend.
1
4
Cut to
Bend
12"
• PGFLSAXXFCW0063 Flashing (8' long)
• 108553 Wafer Head Screws
• Clutched Drill Driver and Phillips Head Bit
• Tool to cut metal ashing.
• Tape Measure and Marker.
3
108553 Wafer
Head Screws
Flashing
7
2
2
6
3. From rst cut, mark remainder of ashing face at 12"
on-center intervals.
ATTENTION: To allow ashing to bend more easily,
decrease the on-center spacing of cut lines.
4. Using tin snips, cut ashing face to the bend in ashing. Flashing face is the part that overlaps tops of end panels.
5. Repeat steps to cut ashing face to the ashing bend.
6. Place prepared ashing against top of end rafter with cut surface against end panels.
7. Using 108553 wafer head screws spaced at 16" on-center intervals, secure ashing to top of end rafter.
8. Prepare another piece of ashing and attach to rafter. Overlap end of rst section with end of second section of
ashing by approximately 2" to 3".
96"
Bend in Flashing
12"
Revision date: 01.10.19 106201_02_03_04
PGFLSAXXFCW0063 Flashing
21
GROWSPAN™ ROUND PREMIUM GREENHOUSES
GABLE FLASHING INSTALLATION — continued
9. Continue installing ashing and work down to ground.
ATTENTION: Be mindful of where to cut last section of ashing as you near end of end rafter. You may not need to
cut every 12" to install nal section.
10. Once one end is complete, attach ashing to remaining end rafter.
11. Continue with next procedure.
22
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
INSTALL ROOF PANELS: OVERVIEW
Install polycarbonate roof panels after installing end panels and ashing. These are the main steps to attach panels:
1. Prepare and install lower panels rst along both sides for rst two (2) bays (as shown).
2. Install upper panel for end bay. (Upper panel overlaps lower panel at least six (6) inches.)
3. Repeating Steps 1 & 2, work toward other end of frame until all panels are installed.
4. Attach aluminum prole to lower edge of upper panel and secure using Tek screws and washers.
5. Seal panels and prole.
6. Continue with baseboard installation if used.
INSTALL POLYCARBONATE ROOF PANELS
The diagram that follows shows locations of dierent
panels. Frame shown below may dier from actual frame.
NOTE: Install so upper panels overlap top edge of lower
panels at least six (6) inches.
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
Upper Panels: Use
47-1/4" x 144" panels.
(116051)
Gather Parts:
• 116049 Panels (47-1/4" x 96")
• 116051 Panel (47-1/4" x 144") cut to size
• 104213 Aluminum U-channel
• 111928 8' H-Channel & 111929 12' H-Channel
• 102921 Neo-Bonded Washers & FA4484B Tek Screws
• 104774 Vent Tape and DH8007 Foil Tape
ATTENTION: DO NOT store or allow polycarbonate panels
to remain in direct sunlight for an extended period of time
before installation. Doing so could cause protective lm
to become dicult if not impossible to remove.
Panel Overlap —
Both Sides
Ground Level
Revision date: 01.10.19 106201_02_03_04
Lower Panels (both sides):
Full 47-1/4" x 96" Panels
(all widths; all lengths)
(116049)
23
GROWSPAN™ ROUND PREMIUM GREENHOUSES
POLYCARBONATE ROOF PANELS
There are different ways to install polycarbonate roof panels. Individuals familiar with the installation of these panels and
overall assembly of similar greenhouses may choose to install according to past experience. Since there are differences
between buildings, read through the procedure that follows to better understand panel installation for this greenhouse.
This procedure describes one way to install panels.
Complete these steps:
1. Take one 116049 panel (47-1/4" x 96"), mark UVprotected side, and remove protective lm.
Mark here
NOTE: Mark UV-protected side using a piece of tape or
other means to ensure side is installed toward the sun.
4. Place panel on a covered surface and install 111928
H-channel (8') along both sides.
Install UV-protected
surface toward the sun.
X
Tape
NOTE: If needed, use a thin bar or putty knife to
carefully pry H-channel open for easier installation. Use
a rubber mallet to gently tap H-channel into place along
each panel side. Do not damage channel or panel.
2. Apply vent tape (104774) to cover one end of panel.
3. Move to opposite end of panel and cover open cells
using DH8007 foil tape.
NOTE: Panel end with vent tape is the bottom; panel
end capped with foil tape is the top.
5. After panel is prepared, carefully lift and move panel to
rst bay at one end of assembled frame.
24
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
POLYCARBONATE ROOF PANELS (continued)
6. With assistance, place panel against frame and align center of H-channel with center of second rafter. Position end
with foil tape at top. Verify you have UV-protected surface of panel facing toward sun. (Panel was marked earlier
during preparation—Step 1.)
Foil Tape
Top
ATTENTION: If baseboard will be installed after panel
installation is complete, continue with next step. If no
baseboard will be installed, embed taped bottom of
each lower panel approximately 4" - 6" below grade to
seal greenhouse.
7. Using FA4484B Tek screws and 102921 neo-bonded
washers, attach panel to rafters. Use assistants and
hand clamps as needed to hold panel tight to rafters as
screws are installed.
Ensure panel remains square on frame during
installation. Next panels will not align properly if rst
panel is improperly installed.
If panel does not align, check that rafters are spaced at
48" on-center from ground post along one side to those
on opposite side. Adjust rafters as needed.
Duct tape can be used in small pieces to hold
H-channel in place along panel edges. Do not allow to
work loose during installation. H-channel to remain tight
to panel edge.
IMPORTANT: Space screws at 16" on-center. Install
last screws at top of panel 7" from panel end to
allow space for upper panel to overlap when it is
installed.
Vent Tape Bottom
Revision date: 01.10.19 106201_02_03_04
25
GROWSPAN™ ROUND PREMIUM GREENHOUSES
POLYCARBONATE ROOF PANELS (continued)
ALTERNATIVE INSTALLATION FOR ROOF PANELS
8. After installing rst lower panel, select another 116049
panel (47-1/4" x 96") and prepare for installation as
described in Steps 1-4.
9. Move to opposite side of frame (same bay) and install
panel in lower position for that side. Review previous
panel installation steps and information if needed.
Panel
Installed
10. Repeat steps 1-9 to prepare and install next two lower
panels for next frame bay.
During assembly, sometimes installing panel from the side
is challenging. An alternative method shows sliding lower
panels into H-channel from top. Review diagrams below for
another way to install lower panels.
a. After installing lower panels of rst frame bay,
prepare the next lower panel as previously
described but do not attach any H-channel along
the edge.
b. With an assistant stationed along side and
someone near panel top, insert lower corner of
panel into H-channel of installed panel.
ATTENTION: Do not install H-channel along edge of
panel that will connect to previously installed panel.
Verify that panels align with center of rafters and that
each panel is fully inserted into the H-channel of the
previously panel.
If you are unable to install second set of panels due
to limited assistants or other reasons, review the
alternative installation steps in next column. If you
were able to install panels, continue with Step 11.
c. With someone pushing gently from the side to keep
panel in H-channel, have an assistant push panel
down from top. Lubricate H-channel and edge of
panel with water if needed.
d. Once panel is fully installed, attach a piece of
H-channel to panel edge and secure panel to frame
as previously described (See Step 7).
H-Channel
e. Continue with next step.
26
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
POLYCARBONATE ROOF PANELS (continued) 15. With assistant stationed inside and outside the frame,
11. Next, measure from top of rst panel to top of second
panel and add 12" to allow for a 6" overlap on each
side/lower panel.
End of
Panel
End of
Panel
116051
6"
Overlap
Upper Panel
(Cut to Fit)
carefully set panel on frame and overlap top of each
lower panel.
16. Center panel and center H-channel with center of end
rafter and rst interior rafter.
17. Secure panel to rafters as previously described using
FA4484B Tek screws and 102921 washers.
12. Take a 144" (12') panel (116051) and cut to the
dimension determined in previous step.
13. Peal back a corner of the protective lm, mark UV-
protected side, and remove all protective lm.
NOTE: Ends of all upper panels are capped with
104213 aluminum U-channel. Vent tape and foil tape
are not used on upper panels.
14. Take two sections of 12' H-channel (111929) and cut
each section 2" shorter than panel length.
Top edge
of panel
18. Repeat steps to prepare and install the next two lower
panels — one on each side on same bay.
19. Take another 12' panel and prepare as previously
described (Steps 12 -13). Do not install H-channel
along side at this time.
1"
NOTE: This allows space for installation of the 104213
U-channel once panel is installed.
Revision date: 01.10.19 106201_02_03_04
27
GROWSPAN™ ROUND PREMIUM GREENHOUSES
POLYCARBONATE ROOF PANELS (continued)
20. Verify UV-protected side is facing toward the sun and
install panel. Use large, at putty knives or similar
means to help guide panel edge into H-channel of
previously installed panel. Lubricate H-channel with
water if needed.
ATTENTION: Do not over-tighten Tek screws. Screws
should be snug without crushing or distorting panel and
H-channel.
ATTENTION: Align ends of all upper panels to allow for
the installation of 104213 aluminum U-channel later.
If you are unable to install panel into H-channel
from side, review alternative installation method
and information shown on next page. Once panel is
installed, continue with next step.
21. Take a 12' piece of H-channel and cut it to t upper
panel. Remember to cut H-channel 2" shorter (Step
14) to allow for U-channel installation.
23. Repeat steps as needed to install all remaining panels
and work toward other end of frame.
Align Panel Ends
22. With assistance, install H-channel along side of upper
panel and secure to rafter as previously described.
Verify that upper panel ends on both sides of the frame
are aligned. See solid line above.
Dashed line shows tops of lower panels under the
upper panels.
28
24. After installing all panels, skip next page and continue
with the installation of overlap bracing and U-channel.
106201_02_03_04 Revision date: 01.10.19
ALTERNATIVE INSTALLATION FOR ROOF PANELS
Skip this section if panels are installed. An alternative
method to sliding upper panels in from side shows sliding
upper panel into H-channel from the bottom. If you were
unable to install panels from the side, try this procedure:
a. After installing rst upper panel and the next
set of lower panels, prepare next upper panel
as previously described but do not attach any
H-channel along the edge.
Install UV-protected
side toward sun.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
e. Align ends of panel with ends of previous installed
panel and secure panel to rafters as described
(See Step 7).
Align Panel Ends
ATTENTION: Verify that upper panel ends on both
sides of frame are aligned. See solid line above.
Dashed line shows tops of lower panels under
upper panels.
b. With an assistant stationed along side, someone
near panel bottom, and another at top, insert panel
corner into H-channel of installed upper panel.
c. With someone pushing gently from side to keep
panel in H-channel, have an assistant push panel
up from bottom. Lubricate the H-channel and edge
of panel with water if needed. See circle above.
d. Once panel is fully installed, prepare and attach a
piece of H-channel to panel edge.
f. Repeat steps as needed to install all remaining
panels.
g. With all panels installed, continue with procedure
on next page.
REMEMBER: Cut H-channel 2" shorter than panel
length to install U-channel at each end later.
Revision date: 01.10.19 106201_02_03_04
29
GROWSPAN™ ROUND PREMIUM GREENHOUSES
INSTALL OVERLAP BRACING AND U-CHANNEL
Complete this procedure to nish panel installation:
1. Install 8' sections of aluminum prole (104213) along
lower edge of all upper panels on both sides. Trim last
section to length as needed.
Dashed line shows
top of all lower panels
(inside greenhouse).
Solid line shows end
of all upper panels.
3. Cut a piece of 104779 (1.5" x 1.5") square tubing to t
between rafters. (All tubes should be same length.)
Upper
Panel
Foil tape at top of lower panel.
Aluminum prole attached
to bottom of upper panel
(outside of frame).
Lower Panel
NOTE: Diagram (above) shows where to measure to
determine length of 1.5" x 1.5" tube. Diagram shows
installed panels as seen standing inside greenhouse.
4. From inside the frame, align square tube as shown
over lower end of upper panel (dashed line). Hold tube
in place tight against panel.
View from inside the shelter.
View from
outside.
Install 8' aluminum
prole here along edge
of upper panel.
NOTE: Install long side of
prole on top of panel.
Upper Panel
Lower Panel
Long Side
of Prole
Do not use Tek screws or
washers when installing
aluminum U-channel at this
time.
104213 U-Channel
2. Move inside the frame and measure between rafters at
point where upper and lower panels overlap.
Foil tape at top of lower panel.
ATTENTION: Align
and install tube as
shown to secure
upper and lower
panels together at
overlap seam.
View shows
underside of panels
as seen from inside
greenhouse.
1.5" x1.5" Tube
Foil Tape
(top of
lower
panel
inside)
U-Channel
(bottom of
upper panel –
outside)
30
104779 Tube
(inside the
greenhouse)
Lower
Panel
106201_02_03_04 Revision date: 01.10.19
INSTALL OVERLAP BRACING AND U-CHANNEL — continued
GROWSPAN™ ROUND PREMIUM GREENHOUSES
5. With tube aligned and someone holding it in place
inside the greenhouse, drive FA4484B Tek screws with
neo-bonded washers through from the outside into the
1.5" x 1.5" tube (104779).
View from outside
of the shelter.
Upper Panel
Step 7
Installed 104213
U-Channel
Lower Panel
Drive FA4484B Tek screw with
102921 neo-bonded washer
through U-channel, both panels,
and into 1.5" x 1.5" square tube.
Upper
Space screws at 12" on-center.
Panel
6. Repeat steps as needed to cut and attach additional
1.5" x 1.5" square tubes to secure overlap seam of all
panels. Install one tube per overlap as shown.
7. Install an additional Tek screw and washer at end of
H-channel if needed to secure channel to rafter. See
photo in Step 5.
8. Continue by reading baseboard installation information
on next page.
ATTENTION: If you are not installing a baseboard,
skip to and continue by sealing greenhouse using the
supplied silicone sealant.
Outside
Greenhouse
Lower
Inside
Panel
Greenhouse
NOTE: Do not climb on panels to install screws. Take
steps to protect panels during screw installation.
Revision date: 01.10.19 106201_02_03_04
31
GROWSPAN™ ROUND PREMIUM GREENHOUSES
SPECIAL NOTE ABOUT BASEBOARD INSTALLATION
After installing all panels, installing baseboards is
strongly recommended. Minimum size is 2" x 6".
Length determined by building length. Materials for
baseboards are supplied by the customer.
Fasteners to secure baseboards to frame are included
with building.
A baseboard (2" x 6" minimum) protects the lower section
of all panels. In addition, baseboards help keep ground
posts properly seated after anchors are installed. Consult
the following information before installing baseboards.
Install baseboards after all panels are installed.
Install baseboards after all panels are installed. General
installation steps:
1. Remove Tek screws that may interfere with baseboard
installation.
2. Position baseboard as shown and clamp or hold in
place.
Ground
Level
BASEBOARD INSTALLATION (RECOMMENDED)
Gather parts:
• Treated or recycled plastic lumber (supplied by
customer)
• 1/4" x 4" Carriage Bolts and 1/4" Nuts (included)
The procedure (next column) shows one way to install
baseboards. Size and type of baseboard chosen may
require alternative steps. When properly installed,
baseboards run the length of frame on the outside.
Set boards at ground level or slightly into grade to prevent
shelter from sinking and to create a seal along bottom.
ATTENTION: Skip this section if you are not installing
baseboards. Continue with procedure on next page.
Outside of
Shelter
ATTENTION: Never attach two boards to the same ground
post. All baseboard splices should be between rafters as
shown above.
Use a short section of baseboard to secure separate
baseboards at a splice. Customer supplies all materials
to secure all baseboard splices.
3. From inside the greenhouse, drill holes through ground
posts, panels, and baseboard. (Ground posts may
come pre-drilled.)
4. Secure with 1/4" x 4" carriage bolts and nuts. Insert
from outside.
Depending on baseboard dimensions, countersink bolt
holes in baseboard as needed to allow bolts to reach
through all components.
5. Continue by sealing greenhouse using the supplied
silicone sealant. See next page.
32
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
SEAL TRIM AND PANEL SEAMS
The following steps describe one way to seal seams, joints, and trim edges.
NOTE: The amount of sealant needed to complete the following steps will vary and depends on how thick sealant is
applied. Call Customer Service at 1.800.245.9881 to purchase additional sealant if needed.
1. Open supplied sealant and apply a thin bead to the outside of upper panel to seal panel to U-channel.
2. Seal seams between all H-channel and U-channel sections.
3. Apply a bead of sealant along bottom edge of upper
panels at all panel overlap joints.
4. Inspect all H-channel and panels for holes and seal
when found.
5. Seal joint between ashing and H-channel attached to
end rafters. See panel below.
NOTE: Sealing this joint helps keep water from
entering between H-channel and ashing.
6. Continue by reading the care and maintenance
information near the front of this guide.
Revision date: 01.10.19 106201_02_03_04
33
GROWSPAN™ ROUND PREMIUM GREENHOUSES
8'-3
Grid Represents 12" Squares
QUICK START GUIDE
14' Wide Round Premium Greenhouse
"
Height
14'-0" Width
FRONT
34
Ground Level
Actual frame may differ in
length from frame shown.
106201_02_03_04 Revision date: 01.10.19
14R1301
14R1301D
GROWSPAN™ ROUND PREMIUM GREENHOUSES
14R1303
102479
End Rafter-
Mid Rafter-
Purlin Connections:
FRONT PROFILE
102676
1.66" Ground Post
102855
14R1302
Revision date: 01.10.19 106201_02_03_04
D
102676
1.66" Ground Post
35
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Purlin Run
Baseboards Supplied
by Customer
131P0495
SIDE PROFILE - 106201
131S075
16'-0" Length
Center-to-Center
131S075
4'-0"
Rafter
Spacing
On-Center
36
Ground Level
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
131P0255
Purlin Run
Baseboards Supplied
by Customer
131S075
SIDE PROFILE - 106202
4'-0"
Rafter
On-Center
20'-0" Length
Center-to-Center
Spacing
131S075
131S075
Revision date: 01.10.19 106201_02_03_04
Ground Level
37
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Purlin Run
Baseboards Supplied
by Customer
131P0735
131S075
SIDE PROFILE - 106203
4'-0"
Rafter
On-Center
24'-0" Length
Center-to-Center
Spacing
131S075
131S075
38
Ground Level
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Purlin Run
131P0495
Baseboards Supplied
by Customer
SIDE PROFILE - 106204
28'-0" Length
Center-to-Center
131S075 131S075
131S075
131S075
Revision date: 01.10.19 106201_02_03_04
Rafter Spacing
4'-0" On-Center
Ground Level
39
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Vertical
Horizontal
Connectio
View
Ground Level
Purlin-
Mid Rafter
Connection
View 1
CONNECTIONS
Purlin-
End Rafter
Connection
View 2
Endwall-
Rafter
Connection
View 3
Ground Level
n
4
Endwall-
Baserail
Connection
View 5
40
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
1-Way Connector
Connection
Sq-Rnd Tube Bracket
Purlin
104624
Endwall
Rafter
102855
1.315" End Clamp
Purlin
View 2
Purlin-
Connection
End Rafter
QH1330
Endwall
Baserail
Horizontal Rail
View 5
Baserail
Endwall-
View 4
Vertical-
Horizontal
Connection
Connection
CONNECTION DETAILS
Rafter
Revision date: 01.10.19 106201_02_03_04
102479
Purlin-
View 1
Connection
Mid Rafter
1.315" Cross Connector
QH1400
Rafter
1.315" Band Clamp
Endwall
104074
View 3
Endwall
Rafter-
41
GROWSPAN™ ROUND PREMIUM GREENHOUSES
FROM 1 1/2" X 1 1/2" SQUARE TUBING.
81 7/8"
INSIDE DIM
END FRAMING - FRONT
L
C
L
C
37 5/8"
NOTE: COLUMNS NOT DIMENIONED HAVE A NON-CRITICAL PLACEMENT
AND ARE USED FOR POLYCARBONATE SUPPORT.
ALL END FRAMING TUBES ARE FULL LENGTH OR CUT
42
Level
Ground
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
FROM 1 1/2" X 1 1/2" SQUARE TUBING.
END FRAMING - BACK
L
C
L
C
37 5/8"
NOTE: COLUMNS NOT DIMENIONED HAVE A NON-CRITICAL PLACEMENT
AND ARE USED FOR POLYCARBONATE SUPPORT.
ALL END FRAMING TUBES ARE FULL LENGTH OR CUT
Revision date: 01.10.19 106201_02_03_04
Level
Ground
43
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Use the dimensions
of the accessory
to set the distance
between the upper
and lower horizontal
frame members.
Frame can
be raised
or lowered
between
verticals.
Ground Level
Height of
Door Frame
Width of
Door Frame
END FRAMING - DIMENSIONS
On-Center
installed.
accessory
dimension
varies with
Frame for Door: Measure the door
that shipped with the greenhouse
and use those dimensions to properly
frame the end wall for door installation.
44
106201_02_03_04 Revision date: 01.10.19
Flat
Side
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Flat side toward the sun.
Center Groove
Install 1-1/2" Tek screws through
H-channel into building frame.
H-Channel
Channel
toward sun.
UV-protected side
H-CHANNEL INSTALLATION INSTRUCTIONS
ATTENTION: Use only 1-1/2" Tek screws to
attach H-channel to building frame. Do not use
shorter screws. They will not hold. Do not use
washers on Tek screws when installing the
113236Z096 H-channel.
The new H-channel design requires installation of at side facing out with channel side toward building. Some diagrams and
photos in this document may show installation of original H-channel with channel side facing out. Design of new H-channel
does not allow channel-side out installation.
Use the diagrams on this page to install H-channel with at side facing out.
Revision date: 01.10.19 106201_02_03_04
ASSEMBLY NOTE: Install Tek screws using a clutched
drill driver running approximately 750 RPM while applying
approximately 50 lbs of force.
Do not use an impact driver to install Tek screws!
ATTENTION: Install all twin-wall polycarbonate panels with UV-protected side toward the sun.
45
GROWSPAN™ ROUND PREMIUM GREENHOUSES
END CAP ABOVE DOOR ONLY
6' X 10'
POLY
Level
Ground
(104213)
4' X 8'
POLY
POLYCARBONATE PANELS - FRONT
ATTENTION: Install all panels with UV-
protected side toward the sun/outside.
6' X 10'
POLY
H-CHANNEL
U-CHANNEL
104213 104213
NOTE: INSTALL UV-PROTECTED SIDE OF PANEL TO THE OUTSIDE.
46
104213
Aluminum
U-Channel
Prole
106201_02_03_04 Revision date: 01.10.19
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Level
Ground
6' X 10'
POLY
POLYCARBONATE PANELS - BACK
113236096
H-Channel
4' X 10'
POLY
6' X 10'
POLY
H-CHANNEL
104213 104213
NOTE: INSTALL UV-PROTECTED SIDE OF PANEL TO THE OUTSIDE.
ATTENTION: Install all panels with UV-
protected side toward the sun/outside.
Revision date: 01.10.19 106201_02_03_04
104213
Aluminum
U-Channel
Prole
47
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Polycarb
Rafter
Polycarb
104213
H-Channel
(116049)
47-1/4" x 96" Panel
MAIN COVER DETAILS
(116051)
47-1/4" x 144" Panel
104213
Ground Level
(116049)
47-1/4" x 96" Panel
48
106201_02_03_04 Revision date: 01.10.19
Space below reserved for customer notes.
GROWSPAN™ ROUND PREMIUM GREENHOUSES
Revision date: 01.10.19 106201_02_03_04
49
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