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GAF DuraGrip & WindProven

A visual explanation of the shingle seal and the complete roof-system requirements behind WindProven limited wind coverage.

GAF manufacturer photo of a shingle roof from the DuraGrip technology sell sheet.

Wind protection starts at the seal

DuraGrip is the adhesive that helps bond a shingle to the course below it. Correct installation and the specified roof accessories are part of the picture.

GAF photograph showing the adhesive strip along the underside of a shingle.

Heat activates the adhesive after installation. The resulting seal helps resist wind uplift and wind-driven rain at the leading edge.

Different parts. One system.

GAF numbered shingle diagram identifying the alignment guide, StrikeZone, DuraGrip, LayerLock and microgranule surface.
  • 1. Alignment guide

  • 2. StrikeZone nailing area

  • 3. DuraGrip adhesive

  • 4. LayerLock technology

  • 5. Smooth microgranule surface

What WindProven means

CheckRequirement
ShingleQualifying GAF shingles with LayerLock
AccessoriesGAF starter strips, roof deck protection and ridge caps
Fourth accessoryQualifying leak barrier or attic ventilation
Coverage15-year limited wind warranty; no maximum wind-speed limit

No maximum wind-speed limit describes the eligible warranty. It does not mean a roof cannot suffer storm damage. Installation, product combinations and coverage restrictions still apply.

Put it in the estimate

  • Name every qualifying accessory.

  • Confirm installation requirements will be met.

  • Identify the warranty being provided, including workmanship coverage.

Read the original terms

DuraGrip WindProven sell sheet RESGN751 (PDF)

Current GAF WindProven requirements

How LayerLock works

Explore Timberline AS II

Request a complete roof-system estimate

Illustrations and product photography: GAF. Manufacturer examples are not Barnes N’ Roofs installations. Reviewed September 19, 2026.