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 Coat 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

See all roof coating solutions
A container of GAF Acrylic Top Coat.

GAF Acrylic Top Coat

Premium elastomeric acrylic coating helps provide protection against damage from exposure to UV and weather elements.
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A container of GAF Acrylic Base Coat.

GAF Acrylic Base Coat

Combine with GAF Acrylic Top Coat or GAF High Tensile Acrylic Top Coat to form an elastomeric, monolithic membrane.
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A container of GAF Premium Brush-Grade Acrylic Flashing

GAF Premium Brush‑Grade Acrylic Flashing

Ideal for filling and leveling gaps, alligatoring, and other low-lying roof areas.
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Learn about warranty and guarantee coverage Warranty Info

Acrylic roof coating project spotlight

Pete V. Domenici Federal Courthouse roof with Premium Acrylic Hydrostop Liquid Membrane applied.

Pete V. Domenici Federal Courthouse

The roof of this seven-story landmark in Albuquerque, New Mexico had been leaking for several years, dripping water into the Federal Judges’ chambers. The Premium Acrylic HydroStop® Liquid Membrane System fulfilled the requirement for a long-lasting roof, and complied with the GSA’s commitment to sustainability.
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5 steps to restoring asphaltic roofs with GAF Silicone Roof Coatings

Download the steps
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 or Bleed-Block 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 guarantee1
    - 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

Roof coating options for every type of roof restoration


Silicone solutions
for asphaltic 


SILICONE SOLUTIONS
FOR METAL 


ACRYLIC HYDROSTOP®
SYSTEM 

Additional Resources

Use these links to connect with the products and people you need to get the job done.

ROOFING SUPPLY NEAR ME

Find distributors that carry GAF low-slope products and systems.
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CONTACT COMMERCIAL SUPPORT

Find answers to questions and concerns.
FIND A TEAM

Connect with your GAF Technical Sales Rep

Want hands-on roof coating training? Talk to a local rep, dedicated to supporting your business.

Building a better GAF Commercial around you

At GAF, we are constantly optimizing our product line based on your feedback. So whether it’s TPO, liquid-applied roofing, or anything in between, there’s a GAF roofing system for your needs.

Contractors
We’re building new plants for greater capacity, and better systems for faster response and higher visibility.
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Architects
We’re building better, faster, more accurate access to the information you need.
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Property Owners
Whether you manage one property or 1,000, we’re building the products and programs you need to reroof, restore, or maintain your investment.
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We’re building a better GAF Commercial around you. | GAF Roofing