Remove packaging and inspect window, Included parts, needed materials and tools – JELD-WEN JII022 Custom and Premium Pocket Windows User Manual
Page 2

INSTALLATION INSTRUCTIONS
for Custom and Premium Pocket Windows (JII022)
2
• The existing
frame jamb depth 
(“pocket”) must be 
3 1/4" or greater 
for all windows 
except the Premium 
casement, which 
requires at least a 4" 
pocket.
Note!
These
instructions assume 
an installation from 
the exterior (most 
common). Alternate 
instruction steps for 
installation from the interior are shown in italic type.
REMOVE PACKAGING
Remove packaging materials such as corner covers, shipping blocks 
or pads.
INSPECT WINDOW
• Cosmetic damage
• Included parts
• Correct product (size, color, grid pattern, glass type, energy-efficiency 
requirements, etc.)
If any of the above represents a concern,
BEFORE
installing, contact
your dealer or distributor for recommendations.
CONFIRM MEASUREMENTS
• Confirm the
replacement unit 
will fit properly. 
Measure the height 
and width of the 
replacement unit.
• Check existing frame
measurements. 
Measure the width 
between the side 
jambs at the top, 
middle and bottom 
(remove jambliner if 
necessary). Measure 
the height between 
the head and sill at 
the left side, middle 
and right side. Note 
measurements 
to compare with 
replacement unit in 
next step.
1
REMOVE PACKAGING AND INSPECT WINDOW
Unless the unit was 
ordered as ”build to 
specified dimension“ 
ensure that:
• The replacement 
unit is 1/2" narrower 
than the smallest 
existing frame width 
measurement.
• Th
e replacement
unit (with applied 
sill adapter)is at least 
1/4" shorter than 
the smallest existing 
frame height 
measurement.
PARTS INCLUDED
• 6 - 12 #8 x 3" installation screws (not all may be needed for any given
installation)
• 1 – jamb jack screw packet (includes 2 - #8 x 2" screws and instructions
for operating double-hung windows only)
• 1 – shim packet; 2 – shim packets for non-operating units
• Vinyl jambliner hole plugs if applicable (does not apply to Custom)
• Clad exterior cover strips (optional, based on order and product type)
• 1 – 14° aluminum sill adapter (all Premium clad products)
• 1 – Wood sill adapter. Premium wood double-hung only, will have a 
14° and 10° adapter; Custom products will have a 0°, 8° or 14° adapter
or sill nose based on product order details.
NEEDED MATERIALS
• 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.
INCLUDED PARTS, NEEDED MATERIALS AND TOOLS
• Polyurethane low expansion Window and Door foam: We recommend
OSI
®
QUAD
®
Foam or equivalent).
• Backer rod 1/8" larger than the widest portion of the gap (used in
conjunction with sealant bead).
• Wood trim pieces, milled on site to fit on exterior side of window
between replacement window and existing window frame
• 4d exterior finish nails
NEEDED TOOLS
• Tape measure
• Level
• Hammer 
• Utility knife
• Screwdrivers (driver with #2 
Phillips and flat blade)
• Putty knife
• Drill with bits
• Reciprocating saw (for exterior 
install)
• Caulk gun
Height Measurement
Head jamb
Sill
Sill stop
Stool
Head
parting
stop
Interior
trim stop
Measure
directly
behind
sill stop
Exterior blindstop
Wood
side jamb
Interior trim stop
Parting stop
Exterior blindstop
Jamb depth
Width Measurement
Width
Height
Replacement Window
Measuring
Locations
Head
Sill
