The Builden BT series of torch-on bituminous waterproofing membranes is manufactured from a  rich mixture of bitumen and selected APP (Atactic Poly Propylene) polymers blended together to obtain excellent heat & UV resistance and waterproofing properties.  It has superior tear-resistant qualities as the polymerised bitumen is coated onto a dimensionally stable reinforcement core of non-woven spun-bond polyester rot-proof fabric giving it a long lifespan.

Builden BT series products exhibit:-

• Excellent resistance to positive water & vapor pressure
• Good heat resistance
• Good dimensional stability under tension
• Can accommodate structural movements due to its excellent flexural qualities
• High puncture and fatigue resistance
• High tensile and tear strengths
• Resistant to water borne chemicals and chlorine free

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