Acoustic membrane

Acoustic Membrane SOPREMA VELAPHONE FIRBE 22

VELAPHONE is an acoustic membrane made of polyester felt and a vapour barrier film (black film). It is specially designed to be mainly used on wood structures under a layer of 11⁄2 in (38 mm)-thick self-levelling concrete. BENEFITS Provides structural waterproofing while concrete is poured. Prevents a too-rapid evaporation of water from the concrete to […]

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