TPO Roofing Membranes
TPO is a highly engineered single-ply roofing membrane that offers excellent performance at a cost-effective price. Heat-welded seams provide superior strength. TPO's long-term heat, UV, and natural fungal resistance, plus flexibility without need for plasticizers, also make TPO a reliable low-slope roofing system.
Related Components
Commercial roof recovers
Add years to a roof’s life in a fraction of the time and expense of a full reroof, by recovering with GAF EverGuard® Fleece-back single-ply TPO or PVC membrane.
Sustainability document quicklinks
GAF can provide third-party product-specific disclosures and certifications which can contribute to several of the most popular green building rating systems such as LEED, The Living Building Challenge v4, and Well Building Certification (Well v2) systems. Spec Advisor now includes information supporting LEED v5 and Green Globes.
American jobs in American factories
EverGuard® TPO is proudly Made in the U.S.A. with domestic and imported materials. Learn more about how GAF helps to create American jobs and opportunities in the communities where we live and work.
Benefits of EverGuard® TPO Roofing Membranes
Cost-effective
Excellent performance at a cost-effective price.
Increased fungal protection
Fungal resistance without biocides.
Seam strength
Greater seam strength compared to taped and other seams.
High flexibility
Inherent flexibility without using plasticizers.
Heat and UV resistance
Excellent long-term heat and UV resistance. Potential energy cost and urban heat island effect reductions, thanks to a highly reflective and emissive white surface.
Easy to install
Can be installed using a wide variety of installation methods to suit application needs including quick, economical and labor-saving options such as self-adhered and spray adhesives.
TPO installation 101
Dave Scott and Wally Brown each bring more than 35 years of low-slope roofing experience to GAF’s “Roofing it Right” video series. They are low slope roofing pros who bring three important tools to every job: knowledge, ingenuity, and a sense of humor.
Related TPO roof membrane blog articles
Your Guide to TPO Membrane Installation
Commercial Roofing
Mastering TPO installation requires technical precision and strategic planning to ensure a long-lasting, watertight system. While the process is standardized, the difference between a routine job and a high-quality installation lies in the details—from maintaining membrane cleanliness during setup to fine-tuning welding temperatures for optimal seam integrity.
April 28, 2025
Understanding Smooth vs. Fleece-Back TPO Roofing Membranes
Commercial Roofing
Mastering TPO installation requires technical precision and strategic planning to ensure a long-lasting, watertight system. While the process is standardized, the difference between a routine job and a high-quality installation lies in the details—from maintaining membrane cleanliness during setup to fine-tuning welding temperatures for optimal seam integrity.
June 23, 2025
What to Know about Fleece-Back TPO
Commercial Roofing
Fleece-back TPO offers a heavy-duty solution with superior puncture resistance and wind uplift performance. The integrated backing acts as a cushion, making it ideal for adhered systems over rough substrates or recovery jobs. Choosing fleece-back ensures a more durable finish that stands up to heavy foot traffic and extreme weather.
By Mark Soto
June 27, 2023
How to Install TPO Membrane
Commercial Roofing
Properly installing TPO membrane is a foundational skill for contractors aiming for speed and long-term performance. While the process involves critical stages like layout and precision welding, success depends on a systematic approach to every detail. Mastering these fundamentals ensures a watertight, durable system that meets modern commercial roofing standards.
June 29, 2020
View single-ply roofing projects
See how GAF TPO products meet various roofing challenges.
Frequently asked questions
Short for thermoplastic polyolefin, TPO is a highly engineered single-ply roofing membrane that offers excellent performance at a cost-effective price. Heat-welded seams provide superior strength. TPO's long-term heat, UV, and natural fungal resistance, plus flexibility without need for plasticizers, also make TPO a reliable low-slope roofing system.
Based on the certification of your commercial roofing contractor, your GAF EverGuard® TPO roofing system may come with a guarantee of up to 25 years.
MembraneShield™ Temporary Dirt-Blocking Film is a monolayer protective sheet that is factory-applied to EverGuard® TPO membranes, and designed to keep the TPO clean during installations. Only EverGuard® TPO labeled “With MembraneShield™ Temporary Dirt-Blocking Film” includes this feature. MembraneShield™ Temporary Dirt-Blocking Film is adhered to the TPO membrane with a water-insoluble acrylic-based adhesive and is designed to be left on during installation of the roof and to be removed after installation is completed or up to 90 days.
It is possible to add years to a roof’s life in a fraction of the time and expense of a full reroof, by recovering with GAF EverGuard® Fleece-back single-ply TPO membrane. Learn more
EverGuard® TPO Single-Ply membrane is available in a wide range of pre-formulated colors. Matching accessories are also available as custom-order items. View our current color gallery.