E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/82 (2006.01) B32B 7/02 (2006.01) E04B 1/84 (2006.01) E04F 13/00 (2006.01) E04F 15/02 (2006.01) E04F 15/20 (2006.01)
Patent
CA 2329880
The composite sound insulation system for room boundary surfaces consists of a sound-proofing layer (D) in communication with the corresponding floor, wall, or ceiling covering (V) which preferably has an inner loss factor .eta.int of at least 0.1, and more particularly of at least 0.2, and of a footfall sound-proofing layer (S) adjoining the floor, wall, or ceiling covering (V) or the sound-proofing layer (D) on the side facing away from the room and having a dynamic stiffness s' of at most 20 MN/m3, preferably of at most 10 MN/m3. The floor, wall, or ceiling covering (V) preferably is a paneling having a thickness of at most 40 mm, preferably of at most 20 mm, and more particularly at most 10 mm, and it can be made of two parts, in which case for instance at least one sound-proofing layer (D) is arranged between the two parts (V1, V2). The footfall sound-proofing layer (S) can be designed as a multiple air blister sheet, where appropriate with at least one intermediate layer, the sound- proofing layer (D) can have a density of >1600 kg/m3, preferably of >2000 kg/m3, and/or a weight per unit area of >5 kg/m2, preferably of >10 kg/m2.
Elsasser Manfred
Kaindl Flooring Gmbh
Ridout & Maybee Llp
LandOfFree
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