IMPORTANT INFORMATION AND GLOSSARY
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
Thank you for selecting JELD-WEN products. Attached are
JELD-WEN’s recommended installation instructions for metal clad
wood windows with nailing n or primed wood windows with
exterior trim. While the use of these installation instructions
is recommended, installation in strict compliance with AAMA
specications (2400-02) is an alternate method of installation and
will not affect the JELD-WEN limited warranty.
Newer construction methods have led to an increase in air and water
tightness in buildings. This frequently leads to negative air pressure
inside the home, which can draw water through very small openings.
Our installation method integrates the window with the weather
barrier of the structure (typically building wrap).
Not all window types may be installed into every wall condition in all
areas. Consult your local building code ofcial for applicable building
codes and regulations. Local building code requirements supersede
recommended installation instructions.
Please Note! These instructions do not apply to bow and bay windows
and apply only to windows with a horizontal at sill. Installations
where the sill is higher than 35 feet above ground level, or any product
installation into a wall condition not specically addressed in these
instructions must be designed by an architect or structural engineer.
Failure to install windows into square, level, and plumb openings could
result in denial of warranty claims for operational or performance
problems.
Note to Installer: Provide a copy of these instructions to the building
owner. By installing this product, you acknowledge the terms and
conditions of the limited product warranty as part of the terms of the
sale.
Estimated Install
Time for New
Construction
First Time: 4.0 hr.
Experienced: 2.5 hr.
Professional: 1.5 hr.
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9
8 4
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6
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2
3
ROUGH OPENINGS
This installation guide specically addresses masonry/block wall,
sheathed wall and open-stud construction.
MASONRY/BLOCK WALL CONSTRUCTION
This installation assumes that
a framework of studs (often
called a buck) has already been
properly fastened and sealed to
the concrete/masonry wall by a
building professional.
FULLY SHEATHED WALL CONSTRUC TION
The wall framing is covered by sheathing. Windows will be mounted
ush against the sheathing. This installation assumes building wrap is
properly installed prior to installation.
Buck
GLOSSARY
Applied Nailing Fin
A mechanically attached vinyl n that creates a ange around the
perimeter of the window and is used to attach the window to the
rough opening.
Buck
A wood framework attached to the masonry inside a window or patio
door rough opening.
Integral Nailing Fin
A n that is part of the extruded aluminum cladding and used to attach
the window to the rough opening.
Masonry Clip
A galvanized metal strap that secures the window to the structure.
Mulled Unit
Two or more window units structurally joined together.
Precast Sill
A pre-formed concrete block placed in the sill of a masonry/block wall
to support a window.
Shiplap
The layering method in which each layer overlaps the layer below it so
that water runs down the outside.
OPEN-STUD CONSTRUCTION
The wall framing must be
covered by backing support
before the window can be
Sheathed Wall
Header
installed. The window will be
mounted with the nailing n/
exterior trim ush against the
applied backing support.
This backing support should be a
King
stud
Trimmer
studs
Sheathing
non water-degradable, thin (max.
1/8" thick) sheet material such
as vinyl sheeting. Completely
surround the rough opening with
the backing support. Backing support must be applied before building
wrap.
SAFETY & HANDLING
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
SAFETY
• Read and fully understand ALL manufacturers’ instructions before
beginning.
• Do not work alone. Two or more people are required. Use safe lifting
techniques.
• Use caution when handling glass. Broken or cracked glass can cause
serious injury.
• Wear protective gear (e.g. safety glasses, gloves, ear protection, etc.).
• Operate hand/power tools safely and follow manufacturer’s operating
instructions.
• Use caution when working at elevated heights.
NEEDED MATERIALS & TOOLS
NEEDED MATERIALS
Note! Follow all material manufacturers’ instructions for proper use
and compatibility.
• 3" galvanized casing nails (exterior trim windows) or 1 3/4"
galvanized roong nails (nailing n windows). Nails must penetrate at
least 1" into wall structure (or as required by local code)
• #8 x 3" screws for windows rated at DP50 or above (including impact)
• Galvanized drip cap (or factory supplied)
• Sealant: We recommend OSI® QUAD® Max Sealant or equivalent. This
can be used in any application and can be painted or ordered in a
color matched product, if desired.
• Polyurethane low expansion Window and Door foam: We recommend
OSI® QUAD® Foam or equivalent).
• Shims – not water degradable or compressible
For mulled units or windows without trim or n on the sill:
• Masonry clips
• #8 x 3/4" screws for fastening masonry clips to the window
• #8 screws for attaching masonry clips to structure. Screws must
penetrate at least 1" into framing
MATERIALS AND WINDOW HANDLING
• Make sure operable windows are locked prior to installation.
• Heed material manufacturers’ handling and application instructions.
• Protect adhesive surfaces from dirt, moisture, direct sunlight and
folding over onto themselves.
• Handle in vertical position; do not carry at or drag on oor.
• Do not put stress on joints, corners or frames.
• Store window in dry, well-ventilated area in vertical, leaning position
to allow air circulation; do not stack horizontally.
• Protect from exposure to direct sunlight during storage.
• Install only into vertical walls and when conditions and sheathing
are dry.
IF INJURY OCCURS, IMMEDIATELY SEEK MEDICAL ATTENTION!
For installations into a stud-framed wall:
• 4", 6", or 9" (as required by local code and window conguration)
wide self-adhesive ashing: We recommend OSI® QUAD® Butyl
Flashing Tape or equivalent.
• Spray adhesive/primer for self adhesive ashing. Such as Loctite® 300
or equivalent
For installations into a buck:
• Liquid applied ashing (Protecto Wrap LWM 200 or equivalent)
TOOLS
• Utility knife
• J-roller
• Hammer
• Tape measure
• Caulking gun
• Construction stapler with 3/8"
staples
• Level (4' minimum
recommended)
• Drill with 1/8" tapered bit and
3/8" countersink
2
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
1
REMOVE PACKAGING
Remove shipping materials such as corner covers, shipping blocks or
pads. If there is a protective lm on the glass, do not remove it until
installation and construction are complete. Cut off any staple legs
exposed on the side of the frame.
Note! Double-hung windows may have banding on the interior of the
unit. Do not remove until the window is secured in the opening to help
keep the sash in place and the unit square.
INSPECT WINDOW
• Cosmetic damage
• Product squareness (diagonal measurements not more than 1/4"
different)
2
• Verify the width and height
of the window are each 1/2"5/8" smaller than the rough
opening width and height.
Mulled units should be 3/4"
narrower.
• Verify the rough opening
is square. The (A) and (B)
measurements above should
be the same. Maximum
allowable deviation from
square is 1/8" for windows
20 sq. ft. and smaller, and
1/4" for windows larger than
20 sq. ft.
REMOVE PACKAGING & INSPECT WINDOW
INSPECT ROUGH OPENING
Verify Square, Level, & Plumb
A
A
B
B
D
C
C
D
E
E
• Correct product (size, color, grid pattern, handing, glazing, energyefciency requirements, etc.)
• Drip cap that extends the length of the exterior trim plus 1/8"
overhang on each end (all units require a drip cap); drip cap may or
may not be pre-installed
• Splits, cracks, holes, missing sections or other damage to the nailing
n longer than 6" and/or within 1/2" of window frame
If any of the above conditions represent a concern, or if you expect
environmental conditions to exceed the window's performance rating,
do not install the window. Contact your dealer or distributor for
recommendations.
• Verify the rough opening is level and plumb (C) and (D). The
maximum allowable deviation is 1/16" for every 2' of rough opening
(not to exceed 1/8").
• The rough opening sill must not be crowned or sagged (D). A 5 degree
sloped sill is recommended.
• The exterior face of the rough opening must be in a single plane (E)
with less than 1/8" twist from corner to corner.
• Minimum double studs (king and jack/trimmer) should be used to
support the header at all rough openings.
3
Note! This section applies to
installations into a masonry
wall only. For installations
into a stud-framed wall, begin
with section 4, “PREPARE
STUD-FRAMED WALL.”
1. Seal any joint larger than
1/16" in the buck and
between the buck and the
concrete/masonry with
sealant.
2. Cover the buck and the
surrounding concrete/
masonry at the head and jambs with liquid applied ashing as shown.
PREPARE BUCK
Liquid
applied
ashing
Sealant
joints
3. If installing into a four-sided buck, seal the sill in a similar manner.
Note! Shims must be 1/4" shorter than the depth of the window sill,
should level the rough opening sill and be no more than 1/4" thick.
4. Shim the sill 4" from each corner, at 8" intervals, and on both sides of
mull joints with non water-degradable or compressible shims. Secure
shims with sealant. SKIP to section 5, “PREPARE WINDOW.”
3
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
4
PREPARE STUD-FRAMED WALL
FOR RETROFIT INSTALLATIONS
After removing the old window, remove sufcient siding to expose
enough intact building wrap to properly seal the window to the
opening. If damaged, apply new building wrap in shiplap manner.
Verify the rough opening framing is structurally sound. Continue with
the instructions.
PREPARE BUILDING WRAP
Note! Check with the building
wrap manufacturer to verify
the following steps will not
void their product warranty.
Follow manufacturers'
instructions.
1. Trim building wrap ush
45°
with the rough opening.
2. At the head, cut building
wrap at 45° and tape up as
shown.
3. Trim the sides sufciently
to allow the nailing n to
be mounted against the
sheathing.
PREPARE SILL
1. Use self adhesive ashing to waterproof the sill.
2. Flashing must have at least 2"
of visible material below nail
n. Flashing width must be at
least measurement
1 + 2 + 1 3/4".
3. Measure the width of the
frame from the interior to
Measure
from trim
to interior
edge of
frame
Interior
the nail n (measurement 1)
and subtract 1/4". Transfer
this measurement from the
outside edge of the rough
Width of
rough opening
12"
opening sill and draw a line
all along the rough opening
sill. This is where the back of
the ashing will sit.
4. Cut a piece of ashing the
length of the sill plus 12".
5. Place ashing on rough
opening sill, wrapping the
ashing up 6" on each jamb
as shown.
6. Pull release tape and set
ashing into place.
7. Fold the ashing down onto
the sheathing. Staple ashing
to the wall and seal the corner
edges as shown.
8. Smooth out any bubbles or creases with a J-roller. Remove and
replace if necessary.
9. Install the continuous shim as follows:
Note! The continuous shim
must be 1/2" shorter than the
width of the window frame,
be 1/4" narrower than the
depth of the window frame
sill, should level the rough
Depth of
window
minus 1/4"
Continuous
shim
opening sill and be no more
than 1/4" thick.
Align the shim on the sill ush
with the exterior and centered
Flashing
Nail n position
2" min.
between the side jambs. If
installing a mulled unit, leave
gaps at the mull joint(s) so they don't sit on the shim and tack into
place or secure with sealant.
4
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
5
PREPARE WINDOW
SEPARATELY SUPPLIED DRIP CAP
This step applies to nail n
units only, windows with
exterior trim will install drip
cap in section 6, “INSTALL
WINDOW.”
Lay a 1/4" bead of sealant
across the header as shown,
and tap the drip cap into the
groove with a wood block.
Groove
SEAL WINDOW
• For units with exterior trim: run a 3/8" continuous bead of sealant
around the interior of the window where the trim meets the window
frame. Tool into a llet shape.
6
INSTALL WINDOW
WARNING! To avoid injury, use at least two people to install.
Adequately support the window until completely fastened.
1. Run a continuous 3/8" bead
of sealant around the interior
side of the nail fin on the side
jambs and head. On the sill,
leave at least a 2" gap every
12") where it will contact the
rough opening.
2. Place window sill onto the
Gap
shim and tilt into the rough
opening. The window sill must
rest on and be fully supported
3"- 7"
by the rough opening.
3. Fasten window through the
nailing n between 3"- 7"
from one upper corner.
4. Shim side jambs 4"- 6" from
each corner, at the center
point, and no more than 8"
Interlock
apart. Shims must be set back
1/4" from the interior of the
jamb as shown. Secure with
sealant.
5. Inspect window for square,
Center
level, and plumb. Test for
proper operation (remove and
reinstall if necessary).
Rough
opening
Interior
1/4" Sealant
gap
Shim
Jamb
INSTALL MASONRY CLIPS ON THE SILL
Note! Install clips on any
windows that DO NOT have
exterior trim or a n on the
sill.
1. Install masonry clips 4" from
each corner and every 16"
on center under sill with two
#8 x 3/4" screws per clip.
2. For units rated above DP50,
run a continuous 3/8" bead
of sealant on the interior
side of the nail n/trim
where it will contact the
structure.
Note! Fastener heads must be
ush. Do not dent nailing n
or damage exterior trim.
6. Fasten window through the
exterior trim/n 4" from the
corners and 8" apart all the
way around the window.
7. If applicable, install two
#8 screws through each
masonry clip and into the
framing. Screws must be
long enough to penetrate
framing by at least 1".
8. Hung windows must be
fastened through the jamb
adjusters with #8 x 2" screws
provided. Straighten the
jambs per the instructions
provided with the screws.
9. Windows rated for DP50 or
above (including impact)
must be fastened through
the jambs and head 4"
from each corner and at 8"
intervals with #8 x 3" screws
as shown. Screws must
penetrate shims.
Sill
Jamb
Adjuster
Center
8"
Masonry
Clip
Framing
4"
Interior
Exterior
4"
8"
4"
8"
8"
8"
8"
4"
5
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
6
INSTALL WINDOW - CONTINUED
APPLY DRIP CAP TO WINDOWS WITH EXTERIOR TRIM
1. Cut a piece of drip cap the
length of the header trim
+ 1/4" to allow for 1/8"
overlap past the ends of the
trim.
2. Apply 1/4" bead of sealant
to header trim as shown.
3. Center the drip cap on the
trim and nail in place as
shown.
4. Apply sealant underneath
the drip cap where it meets
both ends of the trim.
7
FLASH WINDOW - WINDOWS WITH A NAIL FIN INSTALLED INTO STUD-FRAMING ONLY
Cut pieces of self-adhesive ashing as follows:
DP50 or below
(4" ashing)
One header piece 10" longer than the
14" longer than the
header
Two side pieces 8" longer than the
12" longer than the
jamb
SPRAY ADHESIVE/PRIMER
Apply spray adhesive (protect
window from overspray) to
nailing n and building wrap
around the window as shown.
Above DP50
(6" ashing)
header
jamb
APPLY THE SELF-ADHESIVE FLASHING
Note! Keep the edge of the
self-adhesive ashing as
close to the window frame as
possible and apply over the
nail n.
1. Apply the side pieces
starting 2" above the header
and overlap the ashing on
the sill as shown.
2. Center and apply the header
piece above the header,
e
v
i
s
e
h
d
A
y
a
r
p
S
overlapping the side pieces
as shown.
3. Press the ashing down with
a J-roller, being careful to
remove any gaps or bubbles
2"
beneath self-adhesive
ashing (remove and
replace if necessary).
2"
2"
6
INSTALLATION INSTRUCTIONS
for Wood/Clad Wood Windows with Exterior Trim or Nail Fin (JII024)
8
COMPLETE INSTALLATION
1. Release the building
wrap from above the
header (previously
taped up) and overlap
the header ashing.
Seal the ends with
self-adhesive ashing
or building wrap tape.
2. Seal all four corners
of the window with a
3/8" bead of sealant.
Tool into a llet shape.
3. Seal any gaps or
openings at end of
horizontal mull joints
with sealant.
4. Create a continuous
air seal on the
interior between the
Back of
ashing
rough opening and
the window frame
with low expansion
polyurethane foam or backer rod and sealant.
Sealant
Continuous
air seal
Flashing
Rough
opening
Sill
Continuous
Shim
AFTER INSTALLATION
• Install exterior wall surface within 30 days of window installation.
• Maintain gap of 1/4"- 3/8" between window frame and nal exterior
wall surface.
• Adjust window for best operation.
• Remove protective lm from cladding (if present) immediately after
installation; remove from glass within one year.
• Protect recently installed units from damage from plaster, paint, etc.
by covering the unit with plastic.
• Finish all exposed wood surfaces immediately following installation.
Please visit jeld-wen.com for warranty and care
and maintenance information.
Thank you for choosing
©2014 JELD-WEN, inc.; This publication and its contents are owned by JELD-WEN, inc. and are protected under the U.S. Copyright Act and other intellectual
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Unauthorized use or duplication of JELD-WEN intellectual property is prohibited.
JELD-WEN reserves the right to change product specications without notice. Please check our web site, jeld-wen.com, for current information.
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(05/14)
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