Part Number: 80WW0101
© 2012 Pella Corporation
These instructions were tested and developed for replacing windows in wood-frame wall
construction systems designed to manage moisture. Installation recommendations for other types
of wall construction, wall systems or conditions, may be obtained from Pella Corporation or a
local Pella retailer. Building designs, construction methods, building materials, and site conditions
unique to your project may require an installation method different from these instructions and
additional care on your part. Determining the appropriate installation method is the responsibility
of you, your architect, or other construction professional.
WINDOW REPLACEMENT INSTRUCTIONS FOR
CASEMENT, DOUBLE-HUNG AND CLAD FRAME WINDOWS
INTO EXISTING CASEMENT FRAME USING FRAME SCREWS
YOU WILL NEED TO SUPPLY:
• Cedar or Impervious shims/spacers (12 to 20)
• Closed cell foam backer rod/sealant backer
(12 to 30 ft.)
• Pella
®
SmartFlash
™
foil backed butyl window
and door flashing tape or equivalent
• Pella Window and Door Installation Sealant or
equivalent high quality, multi-purpose sealant
(1 tube per window)
• Low expansion, low pressure polyurethane
insulating window and door foam sealant.
DO NOT use high pressure or latex foams
• #8 x 3-1/4" Finish head screws (6 to 10 per
window)
TOOLS REQUIRED:
• Tape measure
• Level
• Sealant gun
• Prybar
• Utility knife
• Putty knife
• Hammer
• Screwdrivers (Flat & Phillips)
• Adjustable pliers
• Side cutters
• Roto-tool, reciprocating saw
• Wood chisel
• 1/8" drill bit
• Drill
Installation will require two or more persons for safety reasons.
SEALANT
SEALANT
REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.
This method of installation involves removing the sash only of the existing window. The original
window frame will remain in place and only the existing sash, frame stops and frame hardware
must be removed.
CAUTION: Many windows in older homes are painted with lead-based paint. Removal of old
windows may disturb this paint. Proper precautions must be taken to minimize exposure to dust
and debris. Consult state or local authorities for more information.
EXTERIOR
REPLACEMENT WINDOW
INSTALLED
EXTERIOR
INSERT REPLACEMENT
WINDOW
EXISTING WINDOW
EXTERIOR
REMOVE EXISTING
SASH and STOPS
EXTERIOR
Always read the Pella
®
Limited Warranty before purchasing or installing Pella products. By installing this
product, you are acknowledging that this Limited Warranty is part of the terms of the sale. Failure to
comply with all Pella installation and maintenance instructions may void your Pella product warranty. See Limited
Warranty for complete details at
http://warranty.pella.com.
