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It can also be used as a fire-retardant layer in constructions. A2 Fire rated AVCL system with Effisus A1 Vapour FR membrane application, in the Royal Warwick Square, London Effisus A2 Fire Rated ...
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DuPont (DD) Introduces Tyvek Trifecta Breather MembraneIt exceeds the current U.K. Building Regulations, which require membranes to meet Class B. DuPont Tyvek Trifecta complements the DuPont AirGuard A2 FR AVCL, resulting in a comprehensive A-rated ...
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