Acoustical gypsum board for ceiling panel

Details Acoustical gypsum board for ceiling panel Acoustical gypsum board for ceiling panel

E - Fixed Constructions

04

B

E04B 1/82 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2627975

Low density acoustical gypsum boards having a perforated cover sheet that have good sound absorption properties and are generally clear of falling gypsum dust. The invention optionally provides a cover sheet having a pattern producing a textured visual effect particularly when viewed from a distance. The acoustical gypsum boards can be produced on modified existing gypsum board lines.

Plaques de plâtre acoustiques faible densité munies d'une feuille de couverture perforée présentant de bonnes propriétés d'absorption du son et généralement exemptes de chutes de poussière de plâtre. L'invention peut éventuellement comporter une feuille de couverture dotée d'un motif produisant un effet visuel texturé, en particulier lorsqu'elle est observée à distance. Les plaques de plâtre acoustiques peuvent être produites sur des lignes de fabrications de plaques de plâtre existantes modifiées.

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