Kerakoll Aquastop 120 Waterproofing Tape 50mFlexible NBR waterproof joint and elastic seal for perimeter and fractionizing joints, pipes and drains in waterproofing systems. For use under ceramic and porcelain tiles and natural stone. Bonds directly on application. Aquastop 120 ensures continuous waterproofing even at expansion joints, drain outlets and around through elements. For internal and external use Ideal for bonding with eco friendly Aquastop Nanoflex, Nanodefense Eco, Aquastop Fix and