Pella 80ED0101 Interior Seal, Sealing The Window To The Exterior Wall Cladding

C. Fold down top flap of water resistive barrier (6C).	6C
D. Apply flashing tape to diagonal cuts. Cut pieces of
flashing tape at least 1" longer than the diagonal cuts
in the water resistive barrier. Apply the tape covering	6D
the entire diagonal cut in the water resistive barrier
at both upper corners of the window.	6D

Note: Be sure to overlap the top corners (6D).

7 INTERIOR SEAL

Caution: Ensure use of low pressure polyurethane window and door insulating foam and strictly follow the foam

manufacturer’s recommendations for application. Use of high pressure foams

or improper application of the foam may cause the window frame to bow and 7A hinder operation.

A. Apply insulating foam sealant. From the interior, insert the	Interior
NOZZLE OFLTHE APPLICATOR APPROXIMATELY EDEEP INTOTHEDSPACEP
between the window and the rough opening and apply a 1"
deep bead of foam. This will allow room for expansion of the
FOAM AND WILLNMINIMIZEESQUEEZEEOUT )FFUSINGSFOAM OTHER THANM
'REATA3TUFF ­ 7INDOWWANDA$OORO)NSULATINGA&OAMA3EALANT BYY
the Dow chemical Company, allow the foam to cure completely
USUALLY  TOL HOURS TBEFOREEPROCEEDING TOITHEGNEXT STEP
Note: DO NOT completely fill the space from the back of
the fin to the interior face of the opening.
B. Check window operation (vent units only) by opening and
closing the window.
Note: If the window does not operate correctly, check to make sure it is still plumb, level,
square and that the sides are not bowed. If adjustments are required, remove the foam with
a serrated knife. Adjust the shims, and reapply the insulating foam sealant.

8 SEALING THE WINDOW TO THE EXTERIOR WALL CLADDING

When applying siding, brick veneer or other exterior finish material, leave adequate space between the window frame and the material for sealant. Refer to the illustration that corresponds to your finish material.

Note: The sealant details shown are standard recommendations from the sealant industry. Contact your sealant supplier for recommendations and instructions for these and any other applications.

BRICK VENEER			VINYL/STEEL
			SIDING
					STUCCO
	Backer Rod and			Backer Rod and
	Sealant typical			Sealant typical
Insulating	3/8" Clearance	Insulating		3/8" Clearance	Insulating
	Accessory Groove			Accessory Groove
Foam		Foam
				Perimeter Sealant	Foam
	Perimeter Sealant
				must extend to
	must extend to
				room side of
	room side of
				Accessory Groove.
	Accessory Groove.

	3/8”		3/8"
		3/8"
	WOOD SIDING
	WITH TRIM	WOOD
1/2"	1/2"		1/2"
		SIDING
Min.	Min.		Min.
	Sealant typical

	3/8" Clearance		Sealant typical
Insulating
	Accessory Groove		1/8" Clearance
Foam		Insulating
	Perimeter Sealant
		Foam
	must extend to		Accessory
	room side of		Groove
	Accessory Groove.
	3/8"
			1/8"

Backer Rod and

Sealant typical

3/8" Clearance

Accessory Groove

Perimeter Sealant

must extend to

room side of

Accessory Groove.

1/2" Min.