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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)
™
• 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.)
REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.
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.
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.
C. Cut the water resistive barrier (1C).
1C
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.
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
1B
1A
1D
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