Sound insulating membrane

Details Sound insulating membrane Sound insulating membrane

E - Fixed Constructions

04

B

E04B 1/84 (2006.01) B32B 27/06 (2006.01) E04F 15/20 (2006.01)

Patent

CA 2135236

A sound insulating membrane and processes for forming, particularly well suited for use in floor, ceiling and wall constructions. The membrane comprises at least one backing layer in contact with a layer of polymeric material. The polymeric material has an elongation factor of about 500% to about 900% and a Shore A hardness of from about 65 to about 80 points, 5 seconds. In a preferred embodiment, the polymeric material comprises 40-70% chlorinated polyethylene, 20-30% ethylene vinyl acetate, and up to 10% polyvinyl chloride. Floor, ceiling and wall constructions and related methods utilizing the sound insulating membranes are also disclosed.

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