Products / REX Hi-Temp

REX Hi-Temp is a gray self-adhered roof underlayment for concrete, metal and tile roof coverings, with an AQUA TRAK surface for traction in wet conditions. The data sheet lists 2-square rolls (66.67 ft by 3 ft), 6 months of UV exposure and approval for high-temperature installation. It reports passing results for thickness, adhesion, thermal stability, tear, vapor permeability, sealability around nails and lap-seam tests under ASTM 1970, Florida Product Approval FL46758 and code listing CCRR0533. The maker publishes a Limited Lifetime warranty for it, with terms set out in its warranty document.