YOU WILL NEED TO SUPPLY: TOOLS REQUIRED:
s#EDAROR)MPERVIOUSSHIMSSPACERSTO
sGALVANIZEDROOlNGNAILSLB
s#LOSEDCELLFOAMBACKERRODSEALANTBACKERTOFT
s0ELLA® SmartFlash™ foil backed butyl window and door
flashing tape or equivalent
s(IGHQUALITYEXTERIORGRADEPOLYURETHANEORSILICONESEALANT
TUBEPERWINDOW
s'REAT3TUFF™ 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
s)NTERIORTRIMANDORJAMBEXTENSIONSTOFT
s4APEMEASURE
s,EVEL
s3QUARE
s(AMMER
s3TAPLER
s3CISSORSORUTILITYKNIFE
s3MALLmATBLADESCREWDRIVER
s3EALANTGUN
SEALANT
SEALANT
REMEMBER TO USE APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT.
1 ROUGH OPENING PREPARATION
A. Verify the opening is plumb and level.
Note: It is critical that the bottom is level.
B. Verify the window will fit the opening.
Measure all four sides of the opening to make
SUREITIS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#
D. Fold the water resistive barrier$&OLDSIDEmAPSINTOTHE
opening and staple to inside wall. Fold top flap up and temporarily
fasten with flashing tape. 1D
Exterior
4th cut:
Make a 6" cut up from
each top corner at a 45o
angle to allow the water
resistive barrier to be
lapped over the fin at the
head of the window.
1st cut
2nd
cut
3rd cut
Water Resistive Barrier
1C