Pella 801U0103 installation instructions Rough Opening Preparation, 1B £, 1E £, 1G £, 1A £

Models: 801U0103

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1 ROUGH OPENING PREPARATION

ŘA L L

W I N D O W S

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W I N D O W S

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W I N D O W S

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REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.

1 ROUGH OPENING PREPARATION

*OUFSJPS

A.Make sure the bottom of the opening is level.

Note: It is critical the bottom is level for the window to be

 

installed correctly.

 

 

 

1A£

 

 

 

 

B. Confirm the window will fit in the opening. Measure all four

 

sides of the opening;

 

 

 

 

Standard units: Opening is to be 3/4" larger than the window

 

in both width and height.

 

 

 

 

Performance Upgrade and HurricaneShield: Opening is

 

to be 1/2" larger than the window in both width and height.

*OUFSJPS

On larger openings measure the width and height in several

 

places to confirm 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

1B£

with the rough opening before proceeding.

 

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C.Cut the water resistive barrier (1C). See page 10 for

additional cutting patterns.

1D

 

D. Fold the water resistive barrier (1D). Fold side flaps into the opening and staple to inside wall. Fold top flap up and temporarily fasten with flashing tape.

E. Apply sill flashing tape #1. Cut a piece of flashing tape 12" longer than the opening width. Apply at the bottom of the opening as shown (1E) so it overhangs 1" to the exterior.

 

Note: The tape is cut 12" longer than the width so that it will extend 6" up

 

each side of the opening.

 

 

 

 

 

 

 

 

 

 

 

 

F.

Tab the sill flashing tape



 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

1E£

 

 

 

 

 

 

 

 

 

 

 

 

 

and fold. Cut 1" wide tabs at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

each corner (1/2" from each



 

 

 

 

 

 

 

 

 

1G£

 

side of corner) (1F). Fold tape

 

 

 

 

 

 

 

 

 

 

 

 

 

to the exterior and press

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

firmly to adhere it to the

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

water resistive barrier.

1F£

 

 

 

 

 

 

 

 

G. Apply sill flashing tape #2.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cut a piece of flashing tape

12" longer than the opening width. Apply at the bottom, overlapping tape #1 by at least 1". Do not allow the tape to extend past the interior face of the framing (1G).

Note: The flashing tape may not fully cover the framing members.

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Pella 801U0103 installation instructions Rough Opening Preparation, 1B £, 1E £, 1G £, 1A £