Interwrap RHINOROOF Gray Roof Underlayment Roll 286 Feet By 42 Inch Synthetic

Synthetic roofing felt wdth in x lgth 42 feet x 286 A replacement for 15 lb oil saturated felt; it is designed for use under asphalt shingles only; 25 times stronger than 15 lb felt; meets and exceeds ASTM D226 and D4869; 6 square more per roll compared to 15 lb felt; ease of installation - wider, lighter and more coverage per lap; synthetic construction is impervious to mold; lays flat and does not absorb water and wrinkle; enhanced UV protection; no oil leaching, no hazardous material content; fiber grip slip-resistant walking surface; advanced backside non-slip coating; low temperature flexibility. Roll size: 10 sq. or 93m.