Improved acoustical ceiling tiles

Details Improved acoustical ceiling tiles Improved acoustical ceiling tiles

G - Physics

10

K

G10K 11/16 (2006.01) E04B 1/86 (2006.01) E04B 9/04 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2347508

A system for improved sound absorption, including a substrate of porous insulation material and of a first air flow resistance, and a facing material attached to the substrate and of a second air flow resistance, wherein a total system resistance is a combination of the first and second air flow resistances, and wherein the total system resistance and the second air flow resistance are of relatively low values.

Il s'agit d'une installation qui permet d'améliorer l'insonorisation, et qui comprend un substrat de matériau isolant poreux et d'une première résistance à la circulation de l'air, et un matériau de parement fixé au substrat et d'une seconde résistance à la circulation de l'air. La résistance totale de l'installation est une combinaison des première et seconde résistances à la circulation de l'air, par laquelle la résistance totale de l'installation et la seconde résistance à la circulation de l'air présentent des valeurs relativement faibles.

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