Description

COLPHENE® BSW H 3.5 is a high performance, fully bonded composite sheet membrane designed for blind side waterproofing assemblies in pre-applied below grade waterproofing applications. It is composed of a proprietary blend of Elastomeric Styrene-Butadiene-Styrene (SBS) modified bitumen combined with Ultra-High Strength (UHS), dimensionally stable reinforcement system (heavy duty non-woven polyester). The top surface is treated with a Specially Engineered Silicon Dioxide Crystals while the underside is laminated with a distinct synthetic film. The unique design of COLPHENE® BSW H 3.5 and the unique DUO SELVEDGE technology allows for homogenous bond to structural concrete, resistance to hydrostatic pressure, lateral water migration and precise alignment of side-laps to be heat-welded using propane torch or a hot air gun.

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About brand

At Build Care, we collaborate with globally recognized construction chemical and building material brands known for quality, innovation, and reliability. Our trusted brand portfolio helps us deliver high-performance solutions for waterproofing, flooring, tiling, repair, insulation, coatings, adhesives, and construction protection systems across residential, commercial, and industrial projects.

We proudly supply and work with leading brands including Sika, Fosroc, Henkel Polybit, Weber, Conmix, Mapei, Laticrete, Pidilite, Asian Paints, Soprema, and Roofers to ensure durable, efficient, and industry-standard construction solutions for every project.

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