COLPHENE BSW BASE 4.0
COLPHENE® BSW BASE 4.0 is a series of flexible reinforced SBS-modified bitumen sheet membranes for use in approved multi-ply and flashing assemblies. It is composed of a proprietary formulation of elastomeric styrene-butadiene-styrene (SBS) polymer modified bitumen and is reinforced with a tough, dimensionally stable non-woven polyester mat. The topside and underside is surfaced with thermofusible film.
BLIND SIDE WATERPROOFING