Products / Karnak 16 Double Coverage Cement

Karnak 16 Double Coverage Cement is a bituminous adhesive sealant for applying and repairing rolled roofing and bituminous single-ply membranes. The maker lists it as a lap cement, rolled roofing adhesive and blind nailing cement. Its product page lists ASTM D3019 Type III and a VOC of 250 g/L maximum. It is black, sold in 55 gallon drums, 5 gallon pails and 1 gallon cans.