COLPHENE 180 PS (polyolefin, sanded) is a SBS-modified bitumen membrane approved for use in waterproofing assemblies. COLPHENE 180 PS is reinforced with a tough, dimensionally stable non-woven polyester mat that is saturated and coated on both sides with a proprietary formulation of elastomeric styrene-butadiene-styrene (SBS) polymer modified bitumen.
