Roof Replacement Resources | Warranty Information | Windproven
Infinite Wind Speed Coverage
Introducing the WindProven™ Limited Wind Warranty
Introducing the WindProven™ Limited Wind Warranty
Patented LayerLock® Technology mechanically fastens the common bond, creating powerful wind-uplift performance and enabling GAF to offer a wind warranty with no maximum wind speed limitation.
When installed with the required combination of four qualifying GAF accessories, GAF shingles with LayerLock® technology qualify for the WindProven™ Limited Wind Warranty with no maximum wind speed limitation.*
When installed with the required combination of GAF Accessories, Timberline® Shingles with LayerLock™ Technology are eligible for an industry first: a wind warranty with no maximum wind speed limitation.
Four required components

The finishing touch that helps defend against leaks at the hips and ridges

Beautify and protect for years to come

Help guard against shingle blow-off

Helps shield the roof deck from moisture infiltration
Plus either
of these components

Helps prevent leaks caused by wind-driven rain and ice dams

Helps reduce attic moisture and heat (Cobra® Vents and Master Flow® Attic Exhaust Vents included)
When combined with LayerLock™ Technology and the required combination of four qualifying GAF Accessories, it helps provide the holding power behind the WindProven™ Limited Wind Warranty*.