Fire Ratings

Type 1A - PES Ventilated Mesh

Fire-rated, passing ASTM E-84 “Class A” and NFPA 701 typically

Type 1B - PES Waterproof Membrane

Fire-rated, passing ASTM E-84 “Class A” and NFPA 701 typically

Type 2A - PTFE Fiberglass Waterproof Mesh

“Non-Combustible”, passing ASTM E-136 / “Class A” material passing ASTM E-84 and NFPA 701 typically.

Type 2B - PTFE Fiberglass Waterproof Membrane

“Non-Combustible”, passing ASTM E-136 / “Class A” material passing ASTM E-84 and NFPA 701 typically.

Type 2C - Waterproof Laminated PTFE Fiberglass

“Non-Combustible”, passing ASTM E-136 / “Class A” material passing ASTM E-84 and NFPA 701 typically.

Type 4A - ETFE Waterproof Foil/Film

Fire-rated, passing ASTM E-84 “Class A”

Click the button below to connect with our team about your project or for more details about our services.

Contact Us
Sign up for our email newsletter
© 2026 Structurflex, LLC /
Structurflex
/
Privacy
/
Terms