Wilhams REVAC® BM IRM C is a thermally bonded 3 ply product with excellent weathering and UV stability on the weathering surface. The middle layer is a low temperature flexible REVAC® CBM membrane with a third interior layer of black PVC wear coat. The material is fabric reinforced. Alternative weight and laminations are available including double UV sided.


Ideal for the temporary or permanent suppression of airborne noise in exterior and interior applications. The fabric reinforcement allows for self supporting sheets on islet or similar supporting systems.

Physical Properties (typical)

Colour: A surface – grey, B surface – black

Superficial weight: 3.0kg/m²

Nominal thickness: 2.0mm

Breaking load: 1500N/50mm

Tear resistance: 150N

Elongation at break: 15%

Nail tear: 130N

Operating temperature range (static): -30°C + 70°C

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