Pella 80GZ0102 Rough Opening Preparation, C. Cut the water resistive barrier 1C

4&"-"/5

YOU WILL NEED TO SUPPLY:

ss#EDARDOR )MPERVIOUSOSHIMSSPACERSMTO  ss GALVANIZED ROOlNGlNAILS  LB ssX CORROSIONIRESISTANT WOODNSCREWS  TO ss#LOSED CELLDFOAM BACKER RODSEALANT BACKERN TO CFT

ss(IGHGQUALITYUEXTERIOR GRADE POLYURETHANE ORNSILICONE sealant (1 tube per window)

ss'REATA3TUFF ™ Window and Door Insulating Foam Sealant by the Dow Chemical Company or equivalent

LOWWPRESSUREEPOLYURETHANE WINDOWWANDADOOR FOAMOO DO NOT use high pressure or latex foams

ss)NTERIORRTRIM ANDORRJAMB EXTENSIONSO TO MFT

TOOLS REQUIRED: s4APEPMEASURE

ss,EVEL ss3QUARE ss(AMMER ss3TAPLER ss3EALANT GUN ss3CISSORS OROUTILITYOKNIFE ss3MALL mATBLADE SCREWDRIVER ss$RILL BITS  AND  ss$RILL

ss0OWER SCREWDRIVER WITHW  0HILLIPSLBIT

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 SUREEIT IST LARGERTHAN THE WINDOWW in both width and height. On larger openings measure the width and height

in at least three places to check for bowed header or studs.

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).

*OUFSJPS

"

*OUFSJPS

#

BUFS
3FTJTUJWF
#BSSJFS

TU
DVU

SE
DVU

$ OE
DVU

UI
DVU

$VU
EPXO

NVTU
CF


BCPWF
UIF
UBMMFTU
QPJOU
PG
UIF
PQFOJOH
UP
NFFU
UIF

¡
DVU
PO

FBDI
DPSOFS

UI
DVU

.BLF
B

DVU
VQ
GSPN
FBDI
UPQ
DPSOFS
BU
B
¡
BOHMF
UP
BMMPX
UIF
XBUFS

SFTJTUJWF
CBSSJFS
UP
CF
MBQQFE
PWFS
UIF
mO
BU
UIF
IFBE
PG
UIF
XJOEPX

&YUFSJPS

%

Note: Additional cutting patterns are shown on the last page of this instruction.

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