Starter Shingle Roll is a polymer modified bituminous sheet material intended for use as accessory underlayment. Product is manufactured as a fiberglass mat impregnated and coated with modified bitumen, with a self-adhesive underside and a granulated surface with sealant strip. Underlayment rolls have approximate dimensions of 33ft-4in x 7-1/4in. Underlayment is self-adhered.
Ratings
ASTM D1970
Product has met specification requirements of ASTM D1970.