DeWitt’s COOL BTF1000 “Better Than Felt” is a cool surface alternative, cross woven, synthetic high strength woven fabric that out-performs 15# and 30# felt. Consists of a laminated, point bonded polypropylene coated with high friction co-polymers for great steep slope traction. Meets ASTM D226 & D4869.
Use under shingles, tile, slate and metal. Great wet footing with non-slip both sides. Cooler gray walking surface.
Features “TacBack” grip enhancer
Length per roll – 60″x200′
Weight per roll – approximately 25 lbs
Roll size – 10 square (1000 sq ft)
Limited Warranty for the life of the shingle
COOL BTF1000 Brochure