Liquid Flash Permanent Detail Sealant is a maximum performance, high build, liquid applied waterproofing sealant. This highly flexible and seamless waterproof sealant is designed to coat, seal and protect complex details that would normally require intricate flashing systems. It is a FAST, EASY and PERMANENT way to seal base flashings, curbs, penetrations, seams, HVAC Units, tie in dissimilar surfaces, and to make all kind of repairs. Excellent adhesion to most common building materials.