Karnak #160 Amphibicaulk is composed of selected asphalt, mineral fillers combined with refined solvent, and special chemical ingredients, which give it a unique water displacement quality. Karnak #160 Amphibicaulk if a carefully prepared caulking-grade roof cement with special water displacing characteristics, which ensures an effective bond to both wet and dry surfaces. The ability to adhere during inclement weather conditions makes Karnak #160 Amphibicaulk the first choice of both roofing contractors and plant engineers.