COLPHENE BSW A high-tech quality waterproofing membrane specifically designed for underground, below slab and external wall waterproofing purposes. COLPHENE 3000 A self-adhesive tanking membrane for vertical application in areas of low risk of hydrostatic pressure. AQUAFIN 2K/M PLUS A two-component, polymer modified, cementitious waterproofing system that provides seamless, crack bridging membrane by forming a watertight barrier.