Products / WeatherBond TPO Reinforced Membrane
WeatherBond TPO Reinforced Membrane
UL 2218 Class 4A polyester-reinforced, heat-weldable TPO sheet for mechanically attached and fully adhered roofs, made by hot-melt extrusion with the OctaGuard XT weathering package, in 45, 60 and 80 mil and in perimeter and field sheets up to 16 feet wide. The data bulletin says it meets or exceeds ASTM D6878, claims a UL 2218 Class 4 hail rating, lists initial SRI of 99 (white), 86 (tan) and 52 (gray), NSF P151 rainwater-catchment certification for white sheet from Tooele, UT and Carlisle, PA, and a High Slope (HS) version with added flame retardant. Standard colors are white, gray and tan, with five special colors whose 80 mil sheets are limited to material warranties of up to 20 years.
Manufacturer
Material
Product line
TPO
Impact class
UL 2218 Class 4Solar reflectance index
99Standards met
ASTM D6878UL 2218 Class 4NSF P151
Colors
White, Gray, Tan, Slate Gray, Med Bronze, Terra Cotta, Patina Green, Rock Brown
Status
active
Spec sheet
Sources
- weatherbondroofing.com verified 2026-09-26
- weatherbondroofing.com verified 2026-09-26