A GAF contractor spraying an acrylic coating on an asphalt roof.

Roof Restoration: Acrylic over Asphaltic

Roof protection against weathering, aging, and UV exposure

A contractor applying GAF acrylic top coat on a flat roof.

Restore structurally sound roofs

Choose GAF Acrylic Roof Coatings for protection against normal weathering, aging, and UV exposure on roofs that need moderate restoration and extension of life.

Featured acrylic coating solutions for asphaltic roofs

A container of GAF Acrylic Top Coat.

GAF Acrylic Top Coat

A water-based, acrylic elastomeric top coat that is part of the GAF Roof Coating System. View data sheet
See product
A container of GAF Acrylic Base Coat.

GAF Acrylic Base Coat

An elastomeric acrylic coating used in a base/top coat system to improve the adhesion of GAF Acrylic Top Coat. View data sheet
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A container of GAF Preimium Brush-Grade Acrylic Flashing

GAF Premium Brush‑Grade Acrylic Flashing

A water-based, high-solids elastomeric sealant utilizing the latest advances in acrylic technology. View data sheet
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Learn about warranty and guarantee coverage

Warranty info

Acrylic roof coating project spotlight

Twain Harte

Twaine Harte School

This elementary school in a town named for authors, Mark Twain and Bret Harte, received various roofing solutions.

5 steps to restoring asphaltic roofs with GAF Silicone Roof Coatings

GAF contractor performing moisture scan with instrument on a flat roof.

1. Qualify the roof

  • Ensure the asphaltic roof is clean, dry, and tight
  • Perform moisture scan/identify all wet areas
  • Conduct adhesion test to ensure proper adhesion of coating
A contractor power washing a flat roof using GAf's Cleaning Concentrate.

2. Prep the substrate

A contractor treating a seam on a flat roof with GAF Premium Brush-Grade Acrylic flashing.

3. Detail seams, flashings, and penetrations

  • Treat all seams using GAF Premium Brush-Grade Acrylic Flashing
    - For tight seams, apply GAF Premium Brush-Grade Acrylic Flashing at a rate of 100 linear feet per gallon
    - Loose seams must be three-course with Premium Brush-Grade Acrylic Flashing and 6” GAF Premium Fabric at a rate of 30 linear foot per gallon
  • Treat all “alligatored” areas, curbs, penetrations, and drains with premium Brush-Grade Acrylic Flashing and 12” GAF Premium Fabric
    - Three-coursed at a rate of 30 linear foot per gallon
A contractor applying GAF Acrylic Base Coat on a flat roof.

4. Apply base coat

  • Apply GAF Acrylic Base Coat to help improve adhesion of the GAF Acrylic Top Coat and mitigate any asphaltic bleed-through
    - Apply Acrylic Base Coat per the specifications for a 10/15 year warranty1, can be brushed, rolled, or spray-applied
A contractor applying GAF Acrylic Coat Top Coat on a flat roof.

5. Coat the asphaltic roof with acrylic

  • Apply GAF Acrylic Top Coat per the specifications for a 10/15 year limited warranty or guarantee
    - GAF acrylic can be brushed, rolled, or spray-applied
  • Ensure previous coat has fully dried/cured prior to subsequent coat
    - Do not apply excess of 1.5 gallons per square per coat
  • Consistently check wet mil thickness for uniform coverage

Download the complete installation steps

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