Ultra-Shield SBS Modified

Product Description

CI Ultra-Shield SBS Modified Base Sheet is an asphalt coated, SBS modified fiberglass base sheet designed for use as the initial underlayment layer in a built-up roof system. The sheet is dusted with a parting agent to prevent sticking in the roll. CI Ultra-Shield SBS Modified Base Sheet meets and exceeds Federal Specification No. SS-R-620 B, Type 2.