Products / WeatherBond PVC KEE HP Membrane
WeatherBond PVC KEE HP Membrane
UL 2218 Class 4A polyester-reinforced PVC membrane modified with DuPont Elvaloy KEE HP resin for added thermal stability, chemical, fire and microbial-growth resistance, offered in 50, 60 and 80 mil for fully adhered and mechanically attached roofs. The data bulletin lists White, Gray, Tan and Light Gray, a UL 2218 Class 4 rating for impact resistance, initial SRI of 110 (white), 93 (light gray), 90 (tan) and 69 (gray), and manufacture in Greenville, IL. Its features list says it meets ASTM D4434 Type IV requirements, while its notes say it is classified as Type III and/or Type IV under ASTM D4434.
Manufacturer
Material
Product line
PVC
Impact class
UL 2218 Class 4Solar reflectance index
110Standards met
ASTM D4434 Type IVUL 2218 Class 4
Colors
White, Gray, Tan, Light Gray
Status
active
Spec sheet
Sources
- weatherbondroofing.com verified 2026-09-26