A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Acoustic ceiling board with improved aesthetics
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/m
Acoustic ceiling board with improved aesthetics
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/m
Acoustic ceiling board with improved aesthetics
KRAGNESS ERIC D (author) / WELLS CHRIS (author) / EBERT OLIVER (author) / WINKLER ALFRED (author)
2017-06-29
Patent
Electronic Resource
English
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS