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INSTALLATION INSTRUCTION - INSTRUCCIONES DE INSTALACIÓN 
FOR CLAD AWNING, CASEMENT &  
NON-RECTANGULAR CASEMENT WINDOW
PARA LAS VENTANAS DE MADERA RECUBIERTAS DE ALUMINIO 
TIPO BISAGRAS, BATIENTE Y BATIENTE NO-RECTANGULAR

Installation Instructions for Typical Wood Frame Construction.

These instructions were developed and tested for use with typical wood frame wall construction 

in a wall system designed to manage water. These instructions are not to be used with any 

other construction method. Installation instructions for use with other construction methods, 

multiple units or bow and bay windows, may be obtained from Pella Corporation, a local Pella 

retailer, or by visiting 

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. 

Framing 

Corner 

Flashing 

Tape 

Top 

Flashing 

Tape 

Corner 

Flashing 

Tape 

Fin 

Corner 

Window Top 

Nailing Fin 

Window Bottom 

Side 

Flashing 

Tape 

Side 

Flashing 

Tape 

Sill Flashing Tape #2 

Sill Flashing Tape #1 

Water Resistive Barrier 

Sheathing 

Part Number: 812W0100

© 2009 Pella Corporation 

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 812W0100

Page 1: ... 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 Framing Corner Flashing Tape Top Flashing Tape Corner Flashing Tape Fin Corner Window Top Nailing Fin Window Bottom Side Flashi...

Page 2: ...ing to make sure it is 3 4 larger than the window in both width and height On larger openings measure the width and height in several places to ensure the header or studs are not bowed Note 1 1 2 or more of solid wood blocking is required around the perimeter of the opening Fix any problems with the rough opening before proceeding Interior 1A Interior 1B C Cut the water resistive barrier 1C 1D Ext...

Page 3: ...quired at points where windows are joined in multiple window applications Add shims as necessary to ensure the spacers are level Once level attach spacers and shims to prevent movement Note Improper placement of shims or spacers may result in bowing the bottom of the window 2A 2C B Remove plastic wrap and cardboard packaging from window DO NOT remove plastic shipping spacers located between the wi...

Page 4: ...clip placement Clips provided should be evenly spaced across the curved frame member and no more than 16 on center Place the clips so the lip is facing up and against the instillation fin Secure each clip by driving a 6 x 5 8 corrosion resistant screws through the outer two holes of the three holes shown 2E E Insert the window from the exterior of the building Place the bottom of the window on the...

Page 5: ...hed hole in the nailing fin Note Make sure the fin corner is lying as flat as possible 2 SETTING AND FASTENING THE WINDOW continued J For units with flexible non structural curved fin on which clips were added Fasten the clips to the opening by driving two 6 x 1 1 2 or longer corrosion resistant into the pre punched holes in the clips If clips are bent and fastened to the interior stud install the...

Page 6: ...re folding the tape at 1 2 before removing the paper backing will make it easier to apply the tape correctly If the siding is less than 1 2 thick adjust the dimension of the fold so the exterior sealant line will cover the exterior edge of the tape 3 INTEGRATING THE WINDOW TO THE WATER RESISTIVE BARRIER Flashing Tape Rectangular Units Only A Apply side flashing tape Cut two pieces of flashing tape...

Page 7: ... of flashing tape will be needed to cover the top fin Start taping from the sides of the window working toward the peak To determine the length of cuts hold the tape along the radius and cut the tape just past where it leaves the top fixed extruded fin or for the flexible fin just past the flexible weather strip The top tape must overlap the one beneath it in order to divert water properly The sha...

Page 8: ...ustments are required remove the foam with a serrated knife Adjust the shims and reapply the insulating foam sealant Interior 4A When applying siding brick veneer or other exterior finish material leave adequate space between the window frame and the material for sealant Refer to the illustration that corresponds to your finish material Note The sealant details shown are standard recommendations f...

Page 9: ...ty exterior grade sealant to the entire perimeter of the window C Shape tool and clean excess sealant When finished the sealant should be the shape of an hourglass Note This method creates a more flexible sealant line capable of expanding and contracting 5A 5B 5 SEALING THE WINDOW TO THE EXTERIOR WALL CLADDING continued Additional cutting patterns Circle Head Full Circle Trapezoid Octagon Arch Hea...

Page 10: ... NOT scrape or use tools that might damage the surface Use of inappropriate finishes solvents brickwash or cleaning chemicals will cause adverse reactions with window and door materials and voids the Limited Warranty CARE AND MAINTENANCE Care and maintenance information is available in the Pella Owner s Manual You can obtain an owner s manual by contacting your local Pella retailer This informatio...

Page 11: ...final installation fold the crank over and snap the knob into the pocket Note Even with the window open the crank can be folded to avoid interfering with the window treatments Crank Handle C D Operator Stud Set Screw A B Pocket End Operator Stud Knob E Pocket LOCK LEVER REMOVAL AND INSERTION Note You may want to remove the lock lever prior to finishing the window or if it needs to be replaced with...

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