5SEALING 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 corresponding 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
Backer rod
and
sealant
typical
Insulate 
and seal
VINYL/STEEL |
SIDING |
Insulate |
and seal |
| WOOD |
Backer rod | SIDING |
and |
|
sealant |
|
typical |
|
| Insulate |
| and seal |
Sealant typical
1/4"
1/4"
min.
1/4"
1/4"
min.
SOUTHWESTERN WALL 
WITH STUCCO
1/8"
STUCCO WITH 
INSULATION BOARD 
1/4"
1/4"
min.
1/4"
1/4"
min.
A.Insert closed cell foam backer rod into the space around the window as deep as it will go. This should
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Note: Backer rod adds shape and depth for the sealant line.
B.Apply a bead of high quality exterior grade sealant to the entire perimeter of the window.
C.Shape, tool and clean excess sealant. When
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5A$ | 5B% |
|
Note: This method creates a more flexible sealant line capable of expanding and contracting.