Rough Opening Preparation | Pella 801W0103

REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.

YOU WILL NEED TO SUPPLY:

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

• 2" galvanized roofing nails (1/4 lb.)

• 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 (2 to 3 tubes per door)

SEALANT

•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

•Pella aluminum sill support or 2 x 4 wood blocking

•Interior trim and/or jamb extensions (15 to 40 ft.)

TOOLS REQUIRED:

• Tape measure

• 6' Level

• Square

• Hammer

• Stapler

• Scissors or utility knife

• Screwdrivers

(#2 Phillips with 8" shaft and small flat blade)

• Drill

• Sealant gun

REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.

1 ROUGH OPENING PREPARATION

A.Confirm the opening is plumb and level.

Note: It is critical that the bottom is level.

B.Confirm the door will fit the opening.Measure all four sides of the opening to make sure it is 3/4" larger than the door in width and 1/2" larger in height. Measure the width at the top, bottom, and center. Measure the height at the far left side, the far right side, and in the center.

Interior

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.