A construction worker using a roller to apply roof coatings to a flat rooftop.

GAF Commercial Roof Coatings — Fluid Possibilities

GAF liquid-applied roofing system solutions create a seamless barrier to weather elements and can be installed over most existing roof types.

Take me to:

What’s your challenge?

Bucket of GAF Premium Acrylic HydroStop® Liquid Membrane System.

GAF Premium Acrylic HydroStop® Liquid Membrane System

The GAF Premium Acrylic HydroStop® System is a liquid-applied membrane for recover, reroof, and new roof applications. It’s monolithic, self-flashing, and conforms to any shape and size roofing substrate.
Read more about this solution
Up close shot of hand holding an ice ball.

GAF Premium Acrylic HydroStop® Liquid Membrane System

GAF Premium Acrylic HydroStop® Liquid Membrane System can be used in a variety of substrates to help provide protection against damage from exposure to UV and weather elements and meets FM 4470.*
Read more about this solution
Bucket of GAF Silicone Mastic Flashing.

GAF Silicone Protective Coatings

GAF Silicone protective coatings provide advanced waterproofing technology along with excellent protection against leaks due to ponding water and protection against the damaging effects of weather elements and UV rays.
Read more about this solution
Contractor applying GAF Acrylic Base Coat to flat rooftop.

GAF Acrylic Protective Coatings

Choose GAF Acrylic Roof Coatings to protect the existing roofing system from normal weathering, aging, and UV exposure where restoration and extension of life is needed. Suitable substrates include metal, aged single-ply, smooth and granulated asphaltic, structural concrete, SPF, and previously coated acrylic roofs.
Read more about this solution
GAF worker holding a brush, demonstrating how to apply GAF coatings products.

Training resources

To make sure your crew has the skills and labor-saving techniques they need to get the job done right, connect with your local GAF Coatings rep, and register for live demos or on-site, on-demand, or remote training in all of our coatings solutions.
Read more about our training resources
Image of the GAF Document library.

Coatings documents

Find the documents you need, fast, in our optimized Document Library. Sort by product and document type, and download directly or read online.
View documents
*FM Approved -- Refer to RoofNav.com for specific assemblies. GAF warranties and guarantees do not provide coverage against hail except where additional puncture resistance coverage is purchased on eligible jobs. Refer to gaf.com for more information on warranty and guarantee coverage and restrictions.
Illustration of the GAF Premium Acrylic HydroStop® Liquid Membrane System.

For new roofs, recovers, and reroofs

GAF Premium Acrylic HydroStop® Liquid Membrane System: The versatile and easy-to-apply FM 4470 (SH)-rated GAF Premium Acrylic HydroStop® System offers excellent adhesion to a variety of substrates, including new and existing metal, structural concrete, TPO, PVC, Hypalon®, EPDM, polyiso, gypsum roof board, and asphaltic roofs.1 A model of durable design, this full-fabric assembly can be recoated and renewed, with proper maintenance on structurally sound roofs, for years to come.*
View HydroStop® System
*Systems approved under FM 4470 - Severe Hail (Class 2-SH). See FM Global Data Sheet 1-34 for more information. Visit RoofNav.com for approved assemblies. GAF warranties and guarantees do not provide coverage against hail except where additional puncture resistance coverage is purchased on eligible jobs. Refer to gaf.com for more information on warranty and guarantee coverage and restrictions.
Roofing contractor spraying coating on flat roof

Advanced waterproofing technology

GAF Silicone Protective Coatings: Before you commit to a full reroof, consider adding useful life to your structurally sound roof, along with excellent protection against leaks due to ponding water, by restoring your roof with GAF High Solids Silicone Coating — a moisture-cure coating that protects against the damaging effects of weather elements and UV rays. This CRRC Rated (white only), FM Approved (refer to RoofNav.com for specific assemblies), UL Classified (refer to UL Product iQ for specific assemblies), and Miami-Dade County Product Control approved product can be used on metal, aged single-ply, smooth and granulated asphaltic, structural concrete, SPF, and previously coated acrylic and silicone roofs.
View Silicone Coatings

Featured silicone products

GAF High Solids Silicone Roof Coating

A high-solids, moisture-cure silicone coating that provides protection against weather elements, UV rays, and leaks due to ponding water for a variety of substrates.
A container of GAF Silicone Mastic sealant, professional grade.

GAF Silicone Mastic

A thick, high-build silicone sealant featuring low odor, an easy application, a fast moisture cure, and enhanced adhesion to a variety of substrates.
Bucket of GAF Silicone Fibered Sealant.

GAF Silicone Fibered Sealant

A polyethylene fiber-reinforced, high-build, non-sagging vertical grade silicone sealant.
Contractor spraying commercial roof with GAF Acrylic Protective Coatings.

Restore structurally sound roofs 

GAF Acrylic Protective Coatings: Choose GAF Acrylic Roof Coatings for to protect the existing roof from normal weathering, aging, and UV exposure where restoration and extension of life is needed. Water-based, low-odor formula. Recoatable and easy to apply. Use on substrates including metal, aged single-ply, smooth and granulate asphaltic, structural concrete, SP and previously coated acrylic roofs. Rated by the Cool Roof Rating Council (CRRC) for use in Title Projects (white only).
View Acrylic Coatings

Featured acrylic products

A container of GAF Acrylic Top Coat.

GAF Acrylic Top Coat

A water-based, acrylic elastomeric top coat that is part of the GAF Acrylic Coating System.
Bucket of GAF High‑Tensile Acrylic Top Coat.

GAF High‑Tensile Acrylic Top Coat

A water-based, acrylic elastomeric top coat that is part of the GAF Acrylic Coating System.
Bucket of GAF WOB Acrylic TopCoat®.

GAF WOB Acrylic TopCoat®

A water-based, acrylic coating without biocide and meets NSF P151: Certification of Rainwater Catchment Systems Components.
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.
GAF RepairPro Trowel-Grade Sealant

The sealant you’ll always want on hand

GAF RepairPro Trowel-Grade Sealant is flexible, durable, and UV stable, and can be used in a wide variety of applications including emergency repairs and maintenance application.
View GAF RepairPro Sealant

See how coatings products are used in real world projects

Image of the Circus Circus hotel and casino in Las Vegas

Circus Circus

GAF CoatingsPro+ Contractors Commercial Roofers, Inc., restored Las Vegas icon Circus Circus to glory with GAF coating including GAF High-Tensile Acrylic Top Coat and GAF Kymax Coatings in Exuberant Pink.
View case study
Front view of Texas A&M University Dorms and Courtyard

Texas A&M University

Learn how the Texas A&M University dorm project used the GAF Premium Acrylic HydroStop System to solve a difficult installation.
View case study
Overhead shot of Kia Forum.

Kia Forum

GAF roof coatings were applied on the Kia Forum, a 135,00 square foot event venue in Inglewood, CA. Learn more about its new roof and logo today!
View case study
Overhead shot of Paradise Point Townhome.

Paradise Point Townhome

Explore how a GAF Coatings Pro Liquid Applied Roofing Contractor and GAF commercial roofing materials met the challenges of a waterfront community in Florida.
View case study

We provide training around your crew’s needs

Make sure your crew has the skills and labor-saving techniques they need to get the job done right. Connect with your local GAF Coatings Technical Sales Representative, and register for live demos or on-site, on-demand, or remote 
training in all of our coatings solutions.
GAF worker holding a brush, demonstrating how to apply GAF coatings products.

GAF Silicone Coatings Installation Guide

As an easy-to-apply roof coating, silicone creates a highly flexible and monolithic membrane that offers unrivaled protection against ponding water and excellent UV protection. Learn installation techniques from the pros.
Watch series
Up close shot of contractor applying GAF Acrylic Coatings to metal roof.

GAF Acrylic Coatings Installation Guide

Easy-to-install acrylic elastomeric roof coatings offer durability, UV protection, and high reflectivity. Learn installation techniques from the pros.
Watch series

See Coatings certification details

Coatings certifications

Find the information you need, fast.

You’re a few clicks away from the Specifications, Data Sheets, Safety Data Sheets, Details, Installation Instructions, Warranties, and more, that you need to get your coatings job rolling.

View all coatings documents

Explore GAF roof coatings systems

Components of Hydrostop system

Premium HydroStop® System

The HydroStop® System is a cost-effective, long-term solution for restoration of structurally sound metal roofs. See the 5 simple steps to metal roof restoration with the HydroStop® System.
HydroStop® System
A container of GAF Acrylic Top Coat on a flat roof

Acrylic over Asphaltic

Acrylic Roof Coatings help protect against normal weathering, aging, and UV. See the 5 simple steps to install acrylic roof restoration over asphaltic roofing.
Acrylic over Asphaltic
A container of GAF Silicone Mastic on a flat roof

Silicone over Asphaltic

Silicone Roof Coatings can help protect against leaks. See the 5 simple steps to install silicone roof restoration over asphaltic roofing.
Silicone over Asphaltic
Roofing contractor treating penetrations with GAF Silicone Mastic before coating

Silicone over Metal

Silicone Roof Coatings can help protect against leaks. See the 5 simple steps to install silicone roof restoration over metal roofing.
Silicone over Metal