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INSTALLATION INSTRUCTION - INSTRUCCIONES DE INSTALACIÓN  

FOR PELLA

®

 PRECISION FIT

®

, CASEMENT, RENOVATION POCKET 

REPLACEMENT AND FIXED WINDOW REPLACEMENT

Part Number: 816G0101

© 2010 Pella Corporation

Lea las instrucciones en español en el reverso.

REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.

YOU WILL NEED TO SUPPLY:

TOOLS REQUIRED:

• Cedar or Impervious shims/spacers (12 to 20)

• Wood blocking and bracing

• Closed cell foam backer rod/sealant backer (12 to 30 ft.)

• Pella® SmartFlash™ foil backed butyl window  

and door flashing tape or equivalent 

• High quality exterior grade polyurethane or silicone sealant  

(1 tube per window) 

• Great Stuff ™ Window and Door Insulating Foam Sealant 

by the Dow Chemical Company or equivalent low pressure 
polyurethane window and door foam -  
DO NOT use high pressure or latex foams

• Tape measure
• Level
• Square
• Hammer
• Utility knife
• Sealant gun
• Screwdrivers 

(#2 Phillips and Flat blade) 

• Rotary cutting tool w/ cut-off wheel (if 

existing window has press fit pulleys) 

• Drill
• Pliers
• Putty Knife
• Pry bar
• T-25 TORX® Driver
• Chisel

SEALANT

SEALANT

Installation will require two or more 

persons for safety reasons.

Important! The Pella Precision Fit Casement Replacement Window is designed to replace older style 
double-hung windows. The original window frame will remain in place and only the existing sash 
will be removed. The Pella Precision Fit Casement Fixed Window is a companion to the Precision Fit 
Casement  and is designed to replace the fixed center window that shares a common stool and sloped 
sill with the adjacent windows and has removable interior stops. This application is typically found 
in older homes. The original window frame will remain in place and only the existing sash, glass and 
existing stops must be removed. These instructions are not to be used with any other construction 
methods. Read these instructions thoroughly before beginning. Failure to install as recommended will 
void any warranty, express or implied.  For types of installation other than shown, contact your local 
Pella representative or visit http://www.pella.com.  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. Determining the appropriate installation method is the 
responsibility of you, your architect or construction professional.

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.

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.

Summary of Contents for 816G0101

Page 1: ...Precision Fit Casement and is designed to replace the fixed center window that shares a common stool and sloped sill with the adjacent windows and has removable interior stops This application is typi...

Page 2: ...indow sash OUFSJPS TBTI TUPQ YUFSJPS CMJOE TUPQ 1BSUJOH TUPQ PUUPN TBTI 4UPPM 4JMM QSPO 5PQ TBTI PUUPN TBTI XFJHIU 5PQ CBMBODF DPSE BMBODF DPSE QVMMFZT 5PQ TBTI XFJHIU PUUPN CBMBODF DPSET OUFSJPS TBTI...

Page 3: ...be a small wedge of wood at the bottom of the upper sash that is next to the parting stops To make it easier to remove the parting stop use a chisel to knock off the wedge D Lower the top sash and cu...

Page 4: ...the leg groove multiple times at the desired dimension with a utility knife will help the leg break easier The sill adapter may also be trimmed to correct dimension using a table saw 3 SEALING AND FA...

Page 5: ...bove the partially driven factory supplied attachment screws in the jambs NOTE If the shims are aligned with the attachment screws the frame may bow away from the shims when driving the screws Drive e...

Page 6: ...ms or improper application of the foam may cause the window frame to bow and hinder operation A Apply insulation foam From the interior insert the nozzle of the applicator approximately 1 deep into th...

Page 7: ...ED SASH REMOVAL INTERIOR SASH STOP 1A Interior sash stop 1A 1A Note Confirm the opening and window dimensions prior to removing the existing window sash A Score paint or varnish along interior sash st...

Page 8: ...the bottom of the window Flashing Tape 2A 2B 6E 6F 7 PREPARE THE OPENING EXTERIOR Bracing 2D 7B A Remove plastic wrap and cardboard packaging from window Remove the wood spacers on the frame B Attach...

Page 9: ...tilting the top into place Make sure the window is up against the existing stool Center the window between the sides of the opening to allow clearance for shimming and partially drive one of the top...

Page 10: ...interior insert the nozzle of the applicator approximately 1 deep into the space between the window and the rough opening and apply a 1 deep bead of foam This will allow room for expansion of the foam...

Page 11: ...paint stain or finish the vertical and horizontal sash edges On single hungs and double hungs do not paint stain or finish the vertical sash edges any finish on the vertical sash edges may cause the s...

Page 12: ...systems which do not allow for proper management of moisture within the wall systems The determination of the suitability of all building components including the use of Pella products as well as the...

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