Master Flow® Fiberglass Weave Fabric Specs
Master Flow® Fiberglass Weave Fabric Docs
Master Flow® Fiberglass Weave Fabric Videos

QUICK
Attach with staples to duct board, then apply mastic as code directs

EASY INSTALLATION
Slightly tacky for an easier installation

PROTECTION
Provides closure to duct-board boxes and helps repair leaks and holes
Product availability is subject to change without notice. Not all products are available from all facilities.
Get automatic Lifetime Protection on your entire GAF roofing system
When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*.
Where to buy
Find a GAF distributor near you.