Commercial roofing systems and solutions

Whether it’s TPO, liquid-applied roofing, or anything in between, there’s a GAF roofing system for your needs.

We’re developing durable roofing systems for today’s flat roof challenges

Choosing the right roofing system starts with choosing the right roofing company. As North America’s largest roofing manufacturer, our broad product offering means we’re not vested in a single technology.

roofer spreading out tpo membrane over roof deck
TPO Roofing Systems

In the 20+ years that TPO has been in the field, it’s become one of the most popular products used for low-slope roofing.

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roofer rolling pvc membrane over a roof deck
PVC Roofing Systems

A reliable and versatile membrane suitable for all types of single-ply systems with guarantees up to 30 years.1

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roofer spraying roof coating over a low-slope roof deck
Roof Coating Systems

Reliable roofing solutions that can help extend the life of the existing roof and the time between tearoffs.

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Mod Bit SBS Roofing Systems

Offers great flexibility, impact resistance2, strength, and system compatibility.

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Mod Bit APP Roofing Systems

Offers great flexibility, impact resistance2, strength, and system compatibility.

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Built-Up Roofing Systems

One of the oldest of the current roofing technologies, BUR offers the durability of multi-ply construction.

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insulation and cover boards over a metal roof deck
Cover Boards

Prolong the life of your roof with a full line of cover boards offering thermal performance, protection from fire, moisture and heavy traffic.

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roofer securing fastener and plate to roof
Fasteners & Plates

Excellent thermal performance for all types of roofing systems.

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Perimeter Edge Metal

GAF Perimeter Edge Metal offers a full lineup of pre-fabricated coping, fascia, drip edges, gutters, downspouts, and trim.

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green space over commercial roof
Live Roof Systems

Combine the performance of EverGuard® membranes with the LiveRoof® hybrid green roof system.

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Structural Coatings

Find solutions to your waterproofing and sealing needs, from concrete to stucco, masonry to wood, and more.

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Pavement Coatings

Pavement coatings designed to beautify and extend the life of pedestrian and vehicular areas, playgrounds, and more.

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Find out more about GAF Commercial roofing systems

TPO Roofing

Short for thermoplastic polyolefin, TPO is a single-ply roofing membrane that offers excellent performance at a cost-effective price.

Roof Coating

Roof coatings can help extend the life of structurally sounds roofs through their ability to eliminate many failure points associated with many aging low slope roofs.

Asphalt Roofing

Asphalt is one of the oldest roofing technologies still in use today and it is a reliable solution for both residential and commercial roofing needs.

Polyiso roof insulation

Polyiso Insulation products provide high-performing, cost-effective solutions that can meet energy code and building specification needs while helping to protect your investment.

Featured products

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.

Better solutions for the way you learn

Professional training for the entire commercial roofing industry, on demand or live courses, where and when you want it.

GAF roofing contractor training course options through the Learning Center

Courses for every stage in your roofing career

The best never stop learning. That’s why we offer CARE courses for every skill level, from journeyman roofers breaking in their first nail gun to GAF Master Elite Contractors looking for powerful business-building strategies.

We’re connecting you with experts

In Roofing it Right, Dave and Wally, two of the industry’s most experienced low-slope pros, share their decades of experience to help you and your crew take your roofing game to the next level.

We’re building a better GAF Commercial around you

See how we’re taking customer feedback, research, and good old conversation — and turning it into constant improvement.

As a contractor, you're constantly on the lookout for ways to get the job done quickly while continuing to provide a high level of quality to customers. Carefully selecting the materials you use can help—and with new roofing technologies being developed every day, you have a lot of options.
Commercial roof coatings can help extend the life and improve the aesthetics of low-slope roofs. A roof coating acts as the first line of defense against UV damage and water infiltration, and reflective roof coatings can help reduce the temperature of the roof.
Historically, commercial skylights have gotten a bad rap. "The old joke was: 'if it's not leaking now, it will be soon,'" says Brian Grohe, a 13-year vet of the skylight industry and a commercial sales manager at industry leader VELUX. Fortunately, technology has changed that old tune for the better, turning commercial skylights into a golden opportunity for roofing contractors.
Introduction We all recognize that, when properly installed, TPO can be part of a well performing roof system. However, a very simple error made during installation can set up the membrane for future issues. This has been known since early installations of TPO roofs but somehow it has been forgotten about by many installers. What are we talking about here? The use of adhesive buckets along a fold that causes premature cracking of the membrane years after installation. Let's dig deeper.