Drain & Dry External Tanking System

The BUMATECH Drain & Dry External Tanking System (DDT) has tackled the great challenge for a complete water-tight deep basement construction that requires in high-value below-grade specification of Hong Kong buildings especially in hotel, shopping & commercial complex, hospital, etc. VOLTEX becomes the specifiers’ preference for a self-healing external waterproofing layer that cater to installation under various harsh site conditions. In addition to the external waterproofing layer, Miradrain – The proven no-clogging effective drainage composite that provides the economical internal drainage channel system to achieve the key function of cavity wall drainage construction in deep basement.