RoofRunner is a synthetic roofing underlayment that is easy to handle with a high traction surface designed for wet and dry walkability. Grips to roof deck, providing a stable surface that reduces pulling against mechanical fasteners.
Light gray surface offers a cool working environment. Exceeds performance requirements of ASTM D226 and D4869 and conforms to UL 790/ASTM E108 for Class A fire resistance.