Multilayer substrate for floor soundproofing

E - Fixed Constructions – 04 – F

Patent

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Details

E04F 15/20 (2006.01) E04B 1/84 (2006.01) E04B 5/00 (2006.01)

Patent

CA 2623095

The invention relates to a multilayer substrate which is intended to be installed under a floor covering in order to soundproof said floor. The inventive substrate includes an upper layer consisting of a film of a polymer, such as polyester or polyethylene.The substrate also includes a central layer consisting of a thermofusible film having a polymer bitumen coating applied thereto. The substrate further includes a lower layer consisting of aggregates originating from recycled tyres, which are applied to an added polymer bitumen support or which are placed directly on the central layer.

L'invention vise un substrat multicouche destiné à être installé sous un revêtement de plancher en vue d'insonoriser ce plancher. Ce substrat comprend une couche supérieure constituée d'un film d'un polymère tel que le polyester ou le polyéthylène. Il comprend également une couche centrale constituée d'un film thermofusible sur laquelle a été appliquée un revêtement de bitume polymère. Il comprend enfin une couche inférieure constituée de granulats issus de pneus recyclés, appliqués sur un support additionné de bitume polymère ou posés directement sur la couche centrale.

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