FarmTek Growers supply GrowSpan Gothic Pro Instruction Manual
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
GrowSpan™
Gothic Pro Greenhouses and Systems
Photo may show a different but similar model.
Film Cover with Film Roll-Up Side Panels
©2018 Growers Supply
All Rights Reserved. Reproduction
is prohibited without permission.
Revision date: 06.06.18 113836_37_38_39
STK# DIMENSIONS
113836C 20' W x 12' H x 28' L
113837C 20' W x 12' H x 36' L
113838C 20' W x 12' H x 48' L
113839C 20' W x 12' H x 72' L
1
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
LOCATION
Choosing the proper location is an important step before
you begin. The following suggestions and precautions will
help determine whether your selected location is the best
location.
• Never erect the structure under power lines.
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 greenhouse or framing during or after
construction.
• Do not occupy greenhouse during high winds,
tornadoes, or hurricanes.
• Provide adequate ventilation if structure is
enclosed.
• 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. 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 off 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.
• Do not store hazardous materials in 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.
2
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.
DOUBLE-LAYER FILM INSTALLATION
Greenhouses equipped with a double-layer lm include
a layer that is Infra Red (IR) Retention lm.
IMPORTANT! During cover installation, the IR film
must be installed first! Examine the film and install
it according to the instructions printed on the film.
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
ASSEMBLY PROCEDURE
Following the instructions as presented will help ensure
the proper assembly of your greenhouse. Failing to follow
these steps may result in an improperly assembled and
anchored greenhouse and can void all warranty and
protection the owner is entitled to.
Steps outlining assembly are as follows:
1. Verify that all parts are included in the shipment. Notify
customer service for questions or concerns.
2. Read these instructions, the Must Read document, and
all additional documentation included with the shipment
before you begin.
3. Gather tools, bracing, ladders (and lifts), and
assistance needed to assemble greenhouse.
4. Check the weather before you install the roof cover
and any panels (if equipped). Do not install covers or
panels on a windy or stormy day.
5. Re-evaluate location and site based on information and
precautions presented in the documentation included
with shipment.
6. Prepare site (if applicable).
7. Assemble frame components in the order they are
presented.
8. Assemble frame including struts (if equipped).
9. Consult the MUST READ document and properly
anchor the assembled frame.
10. Install end wall.
11. Install, tighten, and secure end panels and doors.
• Band Clamp: Clamp used to connect end wall framing
to rafter pipe. In some cases, band clamps are also
used to connect diagonal struts.
• Clip or Fabric Clip: A short, half-section piece of
conduit (cut lengthwise) used to secure end panel
to rafter assembly. The clip or fabric clip is typically
fastened in place using self-tapping Tek screw.
• Conduit: An assembly of pipes used to secure some
main cover and end panels (if equipped). Purlins and
some strut assemblies also consist of connected pipes
to form a conduit. Each pipe joint of a conduit assembly
is secured with a self-tapping Tek screw to prevent
separation.
• Cross Connector: Any one of the metal brackets
used to "connect" or secure a purlin to a rafter. Crossconnectors are typically pictured on the Pictorial Parts
Guide page or in the Quick Start section (if present).
• End Panel: Fabric or material used to cover end walls.
• Must Read Document: This document includes
building and shelter anchoring instructions, steps for
end wall reinforcement, safety precautions, and notices
and warnings. Must Read document is sent with all
shelters and buildings. If you did not receive a Must
Read document, contact Customer Service to request
the document.
• On-Center: Term used to describe a measurement
taken from the vertical center of the rafter or frame
member to the vertical center of another.
• Purlin: Pipe assembly that runs perpendicular to
the rafters or framework that supports the main cover.
Purlins are found on the sides and roof areas of the
assembled frame, are evenly spaced, and typically run
from the front to back of the shelter.
12. Install, tighten, and secure the main cover. This applies
to fabric and film covers that stretch over the frame.
13. Read the care and maintenance information at the end
of these instructions.
LIST OF WORDS AND PHRASES
Before you begin, it is important to become familiar with the
words and phrases used in this instruction manual.
These words and phrases are common to most
GrowSpan™ shelters and identify the different shelter
parts. (Some are used in this document. Others may not
apply to this particular shelter.) These terms describe the
shipped parts and can also be found on the materials list/
spec sheets included with the shipment. To aid in the
assembly, read the following definitions before you begin.
Revision date: 06.06.18 113836_37_38_39
• Plain or Straight Pipe: A term used to describe a pipe
that has the same diameter or width throughout its
entire length.
• Strut: A strut is usually a length of pipe with two
flattened ends and is used for diagonal bracing of the
shelter frame. A strut is typically secured to the frame
work by special brackets and bolts.
• Swaged End or Swaged Pipe: The term “swaged''
refers to the tapered end of the pipe or tube. Swaged
ends of a pipe can be inserted into couplers and the
straight ends of other pipes.
• Tek Screw: A self-tapping fastener used to secure pipe
joints and to fasten brackets to rafters.
3
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
REQUIRED TOOLS
The following list identifies the main tools needed for
assembly. Additional tools and supports may be needed
depending on structure and location.
• Tape measure or measuring device
• Marker to mark locations on pipes
• Variable speed drill and impact driver (cordless with
extra batteries works best)
• Metal-cutting saw
• Wrenches and impact socket set, or an adjustable
wrench
• Scissors, utility knife, or tin snips
• Hammers and gloves
• Adjustable pliers and self-locking pliers
• Ladders, work platforms, and other machinery for lifting
designed to work safely at building height
• Rope/cable for cover installation
UNPACK AND IDENTIFY PARTS
The following steps will ensure that you have all the
necessary parts before you begin.
1. Unpack the contents of the shipment and place where
you can easily inventory the parts. Refer to the Bill of
Materials/Spec Sheets.
SPECIAL NOTE: Baseboards for Frame
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
ground posts from sinking when anchored. Depending
on building, it also provides a surface to attach struts or
other building components. Secure baseboard using the
supplied FAH009B (1/4" x 4") bolts and FALB01B (1/4")
nuts.
Consult these instructions, or contact Customer Service for
additional information regarding baseboards.
ANTI-BILLOW ROPE INSTALLATION
TO PREVENT DAMAGE AND POSSIBLE INJURY,
INSTALL THE ANTI-BILLOW ROPES IN SHORT
LENGTHS ALONG EACH SIDE OF THE FRAME.
DO NOT INSTALL AS A SINGLE LENGTH TIED AT
EACH END OF THE BUILDING. DOING SO WILL
RESULT IN A LOOSE SIDE PANEL IF THE SINGLE
ROPE BREAKS DURING STRONG WINDS.
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 clarification, 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).
Rope
#1
Rope
#2
Dotted line represents the anti-billow rope.
Example: Circles identify the ends of Rope #1.
Rope
#3
4
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
The following graphics and photos will help you identify the
different parts and show you how they are used. (Not all
parts are shown.)
FA4482B
Tek Screw
102570
Aluminum Channel
104213
Aluminum
U-Channel
CC6212
Fabric Clip
QH1402
Band Clamp
Aluminum 8'
H-Channel
104548
End Cap
Doors/Fans/Vents
103544
Mounting Plate
102717
Gearbox Drive
102197
Aluminum
U-Channel
102569
Bearing
FAH009B & FALB01B
Carriage Bolt & Hex Nut
102548
Cross Connector
102856
End Clamp
102921 & FA4484B
Neo-bonded Galvanized
Washers and Long Tek Screws
FAH320B & FALB32B
Carriage Bolt & Hex Nut
104074
Square-to-Round Tube
Connect Bracket
103496
Gear Box
102198
U-Channel Spring
Revision date: 06.06.18 113836_37_38_39
QH1330
Angle Bracket
104624
Square Tube Fitting
Plain
Swaged
Swaged and Plain Rafter Sections
5
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
H-CHANNEL INSTALLATION INSTRUCTIONS
The new H-channel design requires installation of the at side facing out with channel side toward
the building. Some diagrams and photos in this document 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
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
ATTENTION: Install all twin-wall poly carbonate panels with UV-protected side toward the sun.
6
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
Gothic Pro Greenhouses and Systems
OVERVIEW
See illustration below to identify main parts of greenhouse.
1. Locate required parts for each assembly procedure.
2. Assemble rafters and frame, then square the frame.
3. Prepare and attach end panels.
4. Attach main cover and Twist-of-the-Wrist assembly.
GrowSpan™
ATTENTION: Position purlins evenly during frame
assembly. Refer to Grid diagram near the back of
this guide (Quick Start section) to position purlins,
end clamps, and cross connectors.
Purlins
End Rafter
Interior
Rafter
Ground
Post
Baseboard is
supplied by
customer.
Revision date: 06.06.18 113836_37_38_39
Finished
Grade
7
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
LAY OUT BUILDING SITE
After 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.
Ground posts must be driven 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 parts:
• Ground posts
• 5/16" x 2-1/2" hex bolts (FAG336B)
• 5/16" nuts (FALB02B)
1. Identify a corner where a ground post will be positioned
and drive the first ground post into the ground.
NOTE: Insert ground post driver into top of ground post
to protect post and drive post. Top of post will be one
(1) foot above finished grade when properly driven.
3. Use a transit or line level to drive the second corner
4. Sting a line at least as long as the building from the first
post to the same depth as the first ground post.
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
Back
Outside of
Shelter
Inside of
Shelter
ATTENTION: Position pre-drilled holes facing inside/
outside of shelter so they align with bolt holes in rafter
pipes.
To align bolt holes in ground posts with those in the
rafter after driving posts, insert a tapered rod or pry bar
into a ground post bolt hole and turn post.
2. After first corner ground post is in place, string a line
the width of building (center-to-center) and drive the
second ground post into the ground just enough to hold
it in place.
Front
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: Distance measured diagonally between corner
posts must be equal for building to be square.
7. Check all dimensions (and adjust if needed) before
driving remaining posts to the required height.
8. After all corner posts are accurately installed, tie a
string line between tops of corner ground posts on the
same side of the shelter. String is used to identify the
tops of all remaining posts. 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 remaining ground posts at the required 48" oncenter width and the height identified by the string.
NOTE: Verify that holes in 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.
8
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
ASSEMBLE GREENHOUSE FRAME
After site is prepared and an inventory of parts is complete,
continue with rafter assembly.
NOTE: All rafter assemblies consist of rafter tubes and
purlin clamps. Consult the rafter diagram in the Quick
Start section near the back of these instructions before and
during assembly.
Assistance is required to assemble the greenhouse.
RAFTER ASSEMBLY
Gather parts:
2. Slide four (4) end purlin clamps (two on each side of
the peak) onto rafter pipes. Position clamps as shown.
• Rafter Pipe (#20G166SS401D)
• Rafter Pipe (#20G166SS403)
• Rafter Pipe (#166S064)
• End Clamps (#102856)
• Tek Screws (# FA4482B)
• Nut Setter 3/8'' x 2-9/16 Magnetic
END RAFTER ASSEMBLY
End rafters include purlin end clamps and band clamps.
Install purlin end clamps before the different pipes are
connected. Band clamps for side struts are installed when
the two (2) end rafters are set onto the ground posts.
1. Select the five (5) pipes needed to assemble the first
end rafter and arrange on a level surface.
(#20G166SS403)
(#166S064)
(#20G166SS401D)
End clamp as seen from inside the assembled frame.
NOTE: Position all purlin clamps at or near rafter
pipe joints. Consult Quick Start section for additional
information.
3. After slipping clamps over rafter pipes, insert swaged
end of rafter pipes into plain ends to assemble rafter.
4. Once rafter is assembled, install an FA4482B Tek
screw through rafter pipes to secure each joint.
End clamp as seen from inside the assembled frame.
IMPORTANT: To prevent damage to cover and end
panels, position Tek screws so heads do not contact
these covers when installed.
5. Repeat steps to assemble the remaining end rafter and
set both end rafters aside.
Revision date: 06.06.18 113836_37_38_39
9
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
RAFTER ASSEMBLY (continued)
INTERIOR RAFTER ASSEMBLY
Complete the following steps to assemble interior rafters.
1. Select pipes for first interior rafter assembly and
position these on ground as shown.
(#20G166SS403)
(#166S064)
(#20G166SS401D)
IMPORTANT: Interior rafters do not use end clamps.
Instead, cross connectors are attached during the
frame assembly.
Space below is reserved for customer notes.
2. Insert swaged ends of rafter pipes into plain ends and
secure each joint with an FA4482B Tek screw.
NOTE: For longer frames, it may be easier to assemble
a few rafters at a time and then begin to assemble the
frame. Position Tek screws so they will not contact
any cover material when frame is assembled.
3. Once rafters are assembled, assemble frame.
10
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
FRAME ASSEMBLY
NOTE: Baseboards (strongly recommended) shown in the
diagrams throughout these instructions are not included
and must be supplied by the customer.
Contact customer service at 1-800-245-9881 to purchase
baseboards, or for additional information.
Gather parts:
• All rafter assemblies and purlin pipe
• Band clamps (#QH1402)
• Cross connector (#102548)
2. Secure rafter to ground posts using 5/16" x 2 1/2"
(FAG336B) bolts and nuts (FALB02B). Use the top
hole in ground post to secure rafter.
Rafter
Outside of
Band
Clamp
Shelter
Back
Ground
Post
• 5/16" x 2-1/2" machine bolts (FAG336B) and
5/16" nuts (FALB02B)
• Lifts, ladders, and assistants
• Rope or cable
1. Carefully stand the first end rafter, slide a band clamp
onto each rafter leg, and place rafter in first set of
ground posts.
Brace the rafter in place to keep it straight. Depending
on the frame size, a lift and additional assistants may
be needed. Consult Quick Start section for details.
Front
Inside of
Shelter
3. Use rope or cable to keep the rafter in position.
Rafter shown differs in design.
Rafter shown differs in design.
ATTENTION: Stand the rafter so the nuts and bolts
of the end clamps are to the inside of the frame. See
diagram—Step 8.
Revision date: 06.06.18 113836_37_38_39
4. Carefully position first interior rafter in place and secure
to the ground posts as previously described.
End Rafter
1st Interior Rafter
Rafter shown differs in design.
11
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
FRAME ASSEMBLY (continued)
5. As second rafter is steadied, take one section of purlin
pipe (131S075).
10. Move to the interior rafter, verify that rafter spacing is
forty-eight inches (48") on-center (adjust as needed),
and tighten cross connector.
6. Insert purlin pipe through an upper end clamp of the
end rafter and through a cross connector placed in the
same position on interior rafter. Consult Quick Start
section (Grid diagram) for purlin location per frame.
Interior Rafter
End Rafter
7. Align plain end of purlin with center of end rafter.
Do not allow the
purlin to extend
beyond the end
rafter.
Interior Rafter
Purlin
11. Secure cross connector to rafter and to purlin using
FA4482B Tek screws. See details in Quick Start section
if needed.
12. Repeat Steps 6-12 to install the first section of each
purlin for the first two rafters.
Dashed line
shows finished
grade.
End rafter view
Interior rafter view
8. Tighten end clamp and secure it to rafter with an
FA4482B Tek screw.
End Rafter
Purlin
9. Install an FA4482B Tek screw through end clamp and
into purlin pipe.
20' wide
center-to-center
13. Choose another interior rafter assembly and set it in
position. Do not use the remaining end rafter.
14. Secure rafter legs to ground posts as previously
described and steady the rafter.
15. Add another pipe and clamp to each purlin run. Verify
that the distance between rafters is 48" center-tocenter. Adjust rafter forward or backward as needed to
maintain dimension.
12
113836_37_38_39 Revision date: 06.06.18
FRAME ASSEMBLY (continued)
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
BASEBOARD INSTALLATION (RECOMMENDED)
16. Secure clamp and purlin pipe. Secure purlin pipe joint
using an FA4482B Tek screw.
17. Repeat the above steps as needed to stand and secure
the remaining interior rafters and purlins to complete
the frame assembly.
18. Slide a band clamp onto each leg of remaining end
rafter, secure rafter to ground posts, and attach purlins
to it. Verify that end clamps are positioned with nut and
bolt to the inside of assembled frame. Refer to Quick
Start section and previous diagrams if needed.
NOTE: If last end rafter is plumb and final purlin
pipe extends beyond end of rafter, cut purlin pipe to
required length.
The baseboard (strongly recommended) is supplied by
the customer and is attached at ground level along both
sides of the frame. Baseboards stabilize ground posts and
prevent frame from working into ground when anchored.
Attach baseboards to frame on the outside of the ground
posts. If you are not using baseboards, skip this section.
Gather parts:
• Treated or recycled plastic lumber (supplied by
customer).
• 1/4" x 4" Carriage Bolts and 1/4" Nuts
NOTE: The following procedure describes one way to
install the recommended baseboards. Size and type of
the baseboard chosen may require use of alternative
steps. When properly installed, baseboards run the
length of frame on both sides.
Outside the frame, attach baseboard to ground posts using
1/4" x 4" carriage bolts (FAH009B) and (FALB01B) nuts.
Continue adding baseboards to complete first run. Splice
between posts as shown. Use a short section of baseboard
to secure separate baseboards at a splice.
Dashed line shows
ground level.
Frame length and design may differ from actual frame.
19. Once all rafters are set and all purlins are in place
and secure, return to each pipe splice of each purlin
and verify that a Tek screw is installed. Install screw if
needed.
20. Remove any temporary bracing (if needed) and install
customer-supplied baseboards and the side struts.
Inside of
Shelter
Outside of
Shelter
Ground
Level
NOTE: Boards should be at ground level or slightly into
grade to prevent the shelter from sinking and to create
a seal along the bottom. After installing baseboards,
continue with these instructions.
If the recommended baseboard (customer-supplied) is not
used, secure the required diagonal struts to ground post
using an FA4484B Tek screw or other customer-supplied
fastener. Installation of the diagonal struts is described on
the next page.
Revision date: 06.06.18 113836_37_38_39
13
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
SIDE STRUT INSTALLATION
There are four (4) side struts for the shelter. These struts
are positioned between the end rafters and the first interior
rafter on each side. Complete these steps to install the four
(4) side struts:
Gather parts:
• Struts
• Band Clamps (#QH1402)
• Lag screw or nut and bolt (supplied by customer)
3. Attach remaining end of strut to baseboard using a lag
screw or nut and bolt (not included). See diagram that
follows for location.
Photo shows the strut attached
to the inside of the customersupplied baseboard.
Attach strut
as shown.
End
Rafter
1. Locate one strut and position it between end rafter and
first interior rafter as shown below.
Interior
Rafter
End Rafter
Finished Grade
Strut
Baseboard is required
for this procedure.
Customer supplies the
baseboard.
2. Attach one end of strut to band clamp as shown.
Baseboard
Finished Grade
NOTE: A baseboard provides a place to attach each
strut and helps keep ground posts at the required
depth. Customer is responsible for providing a
baseboard for this frame. If no baseboard is present,
attach strut to ground post using a FA4484B Tek
screws or other customer-supplied fasteners.
4. Repeat above steps to attach the remaining side struts.
5. After securing struts, verify that each clamps is secured
with a FA4482B Tek screw to the rafter.
6. Verify that each pipe splice (purlin and rafter) is
secured with an FA4482B Tek screw.
7. Complete the next procedure to anchor the assembled
frame.
End Rafter
Band Clamp
Strut
NOTE: Head of bolt on band clamp must face toward
the outside of shelter.
14
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.
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.
113836_37_38_39 Revision date: 06.06.18
GROWSPAN™ GOTHIC PRO GREENHOUSES AND SYSTEMS
END WALL INSTALLATION
The steps to install end walls for the greenhouse include
the following:
1. Install end wall framing. (See the diagrams in the Quick
Start section near the back of these instructions. Read
the accessories note below.)
2. Prepare polycarbonate end panels and attach.
3. Assemble doors and attach.
INSTALL END WALL FRAMING (Front and Back)
• DO NOT REPOSITION THE END WALL VERTICALS
USED AT THE SEAM OF TWO (2) POLYCARBONATE
PANELS.
• Always consult the installation guides that shipped
with the accessory for additional precautions,
recommendations, and safety requirements.
• Before installing any electrical accessory, consult a
professional electrician for precautions and additional
assistance.
• For gas heaters, a professional, qualified service
technician must install the unit.
Site variations and different methods for anchoring the
greenhouse may require slight changes to be made to
these instructions. It is the responsibility of the owner/
builder to adapt these instructions as needed to adjust for
these and other differences.
A NOTE ABOUT INSTALLING THE 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 in the end
walls of this greenhouse. Additional horizontal framing
(included) is installed between the vertical end wall frame
tubes to mount these accessories. The spacing shown for
the end wall supports on the end frame diagrams may be
too narrow for the installation of some larger accessories.
Diagrams do not show framing for the accessories.
When framing the end wall, consult the installation
instructions for the accessories (if equipped), or measure
the width of the accessory to accurately space and position
the end frame tubes.
Consult the panel installation diagrams in the Quick Start
section to identify the verticals that can be moved.
Before installing any greenhouse accessory, adhere to the
following:
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. Attach these horizontal frame tubes between the
vertical frame tubes of the end wall (at the required
height determined by the installation instructions
included with that accessory) using angle brackets.
INSTALL END WALL FRAME
Refer to the end frame diagrams (Quick Start section). The
materials and parts needed to assemble end wall frame
include:
• Square Tube #102897 and #104779
• Angle Brackets (#QH1330) & Band Clamp (#QH1402)
• Square Tube Fitting (#104624)
• Square-to-Round Tube Connect Bracket (#104074)
• Carriage Bolt (#FAH320) and Nut (#FALB32B)
• Tek Screws (#FA4482B)
1. Locate the square tubing for base tube. Base tube
consists of 99" swaged tubes (102987) and one (1)
104779 square pipe cut-to-fit.
• Consult the end frame diagrams before installing the
accessory horizontal framing.
• If labeled, move only those verticals labeled as "NONCRITICAL" on end frame diagrams when deciding
where to install the additional horizontal framing for
accessories.
• Consult the diagrams in the Quick Start section
showing the polycarbonate panel locations and the
locations of the aluminum trim and profile before
repositioning any end wall vertical.
Revision date: 06.06.18 113836_37_38_39
2. Insert the swaged ends of the tubing into the plain ends
to connect the pieces, measure, and cut to length.
3. Position this assembled base tube on the ground
between end rafter ground posts (front of greenhouse).
Base tube will be directly below and in line with rafter.
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