Gibraltar Building Products 23191 Operating instructions

ADJUSTABLE PIPE FLASHING #23191

INSTALLATION GUIDELINES

These basic installation guidelines are for use with typical or standard applications. It is always recommended to seek advice from a licensed

professional, and to check with your local building inspector or building permit office for approvals and possible variations that may apply.

CAUTION!

Working above grade is inherently dangerous, be sure that proper fall protection measures are in place.

When working with power tools and sheet metal, gloves and eye protection are absolutely required.

25 Mil Aluminum Base with Adjustable Elastomer Collar • 3 inch & 4 inch

Do not use petroleum based mastics, sealing compounds or paint on elastomer collar

Using the pull tabs, adjust the size of the opening to fit

the pipe.

1. After shingling up to the pipe, slide flashing down over pipe.

3. Secure flange with 6 roofing nails. 4. Continue shingling above the vent pipe to complete the

installation. The tight neoprene seal means there's no need for

any sealant at the base of the pipe.

3 & 4 ADJUSTABLE

FLASHING

Leave all tabs intact for 3 in. pipes

Remove Pull Tab for 4" pipes

FLANGE

METAL BASE

PULL TAB

ELASTOMER

COLLAR

(A)

3-4 Flange: 12" x 16"

Push down on

tab to break,

then pull up

to remove