Polyglass is a leading roofing and waterproofing materials manufacturer, pioneering innovation in fire-resistant roofing materials that meet and exceed the toughest wildfire safety codes.
As the first manufacturer with a low-slope system listed in the CAL FIRE Building Materials Listing (BML), Polyglass continues to set the standard for roof waterproofing solutions in high-risk wildfire zones.
Our advanced systems not only meet compliance—they provide time when you need it most, slowing fire spread and protecting lives and properties when disaster strikes.
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Explore Polyglass Fire Resistant Solutions
CAL FIRE BML Roofing Systems
As wildfires become more frequent across California, builders and contractors face increasing pressure to select roofing materials that comply with strict codes. Polyglass meets that demand with a complete, Class A fire-rated roofing system approved by CAL FIRE’s BML—a trusted resource for identifying compliant roofing materials manufacturers.
These systems offer:
- Fully tested assemblies under ASTM E108 and UL 790
- Compatibility with multiple roof underlayment types
- Proven waterproofing performance in low slope applications
- Compliance with California Building Code Chapter 7A
Why CAL FIRE BML matters:
BML approval confirms a product’s fire resistance and eligibility for use in designated wildfire hazard areas, helping streamline permitting and boost confidence with inspectors.
UL Class A Systems for Commercial & Residential Use
Polyglass offers a versatile lineup of UL Class A fire-rated roofing assemblies, making us a go-to roofing materials company for both commercial and residential fire-ready projects.
Commercial roofing materials must meet performance and longevity requirements—and we deliver. Available System Options Include:
- Self-Adhered Membranes – Fast, clean installation without the need for torches or adhesives
- Mechanically Attached Base Sheets – Durable and secure, ideal for high-wind zones
- Insulated Roofing Assemblies – Designed to boost energy performance
- Coating-Compatible Systems – Seamlessly integrate with flat roof coatings and spray-applied solutions
Our solutions also support cool roof strategies with reflective roof coatings and energy-conscious material options that help reduce building heat gain and lower energy costs.
Designed for the WUI: Wildland-Urban Interface Roofing
Polyglass BML-listed systems are designed to perform in Wildland-Urban Interface (WUI) zones—areas where wildfires pose a significant threat to communities. Our fire-resistant systems are tested and certified for compliance with CBC Chapter 7A, ensuring compliance and protection for both new construction and reroofing projects in fire-prone zones.
Why Choose Polyglass for WUI Areas?
- Proven fire-resistant performance to help protect homes and buildings from ember and flame exposure
- Broad compatibility with various roof designs, materials, and construction types
- Confidence in code compliance and lasting resilience in high-risk environments
Burn Shield® XFR Systems – Advanced Steep Slope Protection
Polyglass is redefining steep-slope fire protection with our Patented Burn Shield® Technology, used in Polystick® XFR and Polyanchor® XFR—self-adhered and mechanically attached systems that help achieve UL Class A protection for steep-slope roofs.
Key features:
- Superior fire protection
- Meets stringent roof underlayment standards for WUI zones
- Enhance roof integrity by preventing moisture infiltration
XFR systems are specially engineered for use beneath today’s popular roofing materials, including metal, shingles, clay/concrete tile. These assemblies enhance fire protection and deliver added value for both homeowners seeking peace of mind and contractors looking for compliant, high-performance solutions.
Discover Steep-slope Fire Rated Products
Why Choose Polyglass for Fire-Retardant Roofing?
At Polyglass, we’re more than a manufacturer—we’re your partner in fire protection, innovation, and peace of mind. Our solutions are engineered to meet the highest standards for performance, compliance, and long-term resilience.
Here’s what sets us apart:
- First-ever CAL FIRE–approved low-slope BML roofing system A breakthrough in wildfire-zone roofing protection for commercial applications
- Complete portfolio of fire-rated solutions Includes commercial roofing assemblies, steep-slope underlayments, and residential roof waterproofing systems
- Systems that may qualify for insurance discounts Help reduce risk—and premiums—by choosing UL-Classified and CBC Chapter 7A–compliant roofing
- Compatibility with modern roofing materials Fire-rated systems designed for use beneath metal, shingle and clay/concrete tile
- Tested, certified, and code-compliant All assemblies undergo rigorous testing to meet UL Class A, CBC Chapter 7A, and WUI zone requirements
Partner with Polyglass on Fire-Safe Roofing Solutions
When you choose Polyglass, you’re choosing proven, listed, and code-compliant protection for roofing projects in California and other wildfire-prone regions. As the manufacturer of the industry’s first CAL FIRE–approved low-slope system, we lead the way in fire-rated innovation.
From our broad portfolio of UL Class A roofing assemblies to advanced products like Polystick® XFR, Polyglass delivers the reliable, fire-resistant performance your project demands—from residential steep-slope to commercial low-slope applications.
Ready to Build Smarter, Safer, and More Resilient?
Talk to a Polyglass Roofing Expert
Why Polyglass?
Polyglass® is an ISO 9001:2015 Certified, leading manufacturer of modified bitumen roofing and waterproofing membranes and roof coatings for low- and steep-slope applications. We are an industry leader in self-adhered underlayments that are specially designed to help contractors save time and labor costs.
Utilizing the most technologically advanced manufacturing process in the industry, Polyglass operates six state-of-the-art manufacturing facilities — five in North America and one in Italy that serves all of Europe.
As a company that prides itself in innovative and quality roofing products that exceed the needs and expectations of its customers all around the world, we offer roofing contractors the following benefits:
- An extensive line of underlayments and other roofing products that allow for custom-designed solutions for unique construction challenges and environmental conditions
- Outstanding technical support and project assistance
- The most trusted warranties in the industry
- A registered contractor program and a wide array of contractor resources, including instructional videos to Polyschool courses.
- The ability to earn points and redeem prizes for every Polyglass purchase with Club Premio
