ACOUSTIC CEILING BOARD WITH IMPROVED AESTHETICS

The present invention relates to acoustic ceiling boards with improved aesthetics and building systems formed therefrom. Described herein are acoustical panels, comprising: a substrate; a non-woven veil having an airflow resistance of greater than 45 mks rayls, comprising: from about 20 wt.% to abou...

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Bibliographische Detailangaben
Hauptverfasser:	WELLS, CHRIS, WINKLER, ALFRED, KRAGNESS, ERIC D, EBERT, OLIVER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS ROOFS TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	The present invention relates to acoustic ceiling boards with improved aesthetics and building systems formed therefrom. Described herein are acoustical panels, comprising: a substrate; a non-woven veil having an airflow resistance of greater than 45 mks rayls, comprising: from about 20 wt.% to about 60 wt.% glass fibers; from about 40 wt.% to about 80 wt.% of a filler; and from about 110 dry g/m2 to about 135 dry g/m2 of a coating. Methods of making and using the panels are also described. L'invention concerne des panneaux acoustiques comprenant : un substrat ; un voile non-tissé présentant une résistance à l'écoulement d'air de plus de 45 mks rayls, contenant : d'environ 20 % en poidsà environ 60 % en poidsde fibres de verre ; d'environ 40 % en poidsà environ 80 % en poids d'une charge ; et d'environ 110 g/m2 à sec à environ 135 g/m2 à sec d'un revêtement. L'invention concerne également des procédés de fabrication et d'utilisation de ces panneaux.