Products / Karnak 81 Modified Bitumen Adhesive

Karnak 81 Modified Bitumen Adhesive is a cold-applied, high strength bituminous adhesive sealant in brush and trowel grades. The maker lists the brush grade for adhering SBS modified bitumen membranes, base and ply sheets, BUR ply sheets and granulated cap sheets, and the trowel grade for repairs and vertical flashings. Its product page lists ASTM D3019 Type III and ASTM D3409, a VOC of 250 g/L maximum, and states UL approved without naming the listing. It is sold in 55 gallon drums, 5 gallon pails and 10.1 oz caulk tubes.