ACOUSTIC CEILING BOARD WITH IMPROVED AESTHETICS Russian patent published in 2018 - IPC E04B1/86 

Abstract RU 2674491 C2

FIELD: construction.

SUBSTANCE: invention relates to building panels having improved visual and acoustic characteristics, and, more specifically, to ceiling tiles that retain or improve visual characteristics with less paint. Acoustic panel comprises: a base; a non-woven veil having an airflow resistance greater than 45 mks rayls, and also comprising glass fibre in an amount from about 20 wt. % to about 60 wt. %; filler in an amount from about 40 wt. % to 80 wt. %; and a coating in an amount in dry state from about 110 g/m2 to about 135 g/m2. Also described are a coated non-woven veil and a method for improving the aesthetic characteristics of an acoustic panel.

EFFECT: technical result consists in providing a combination of aesthetic properties and acceptable acoustic characteristics.

20 cl, 1 dwg

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RU 2 674 491 C2

Authors

Kragness, Eric D.

Wells, Chris

Ebert, Oliver

Winkler, Alfred

Dates

2018-12-11Published

2015-05-14Filed