FIELD: construction.
SUBSTANCE: acoustic panel for construction of a monolithic ceiling or wall covering a rectangular area and having a core consisting essentially of gypsum, which is substantially equal to area of panel and has two opposite sides, each of which is equal to area of panel, wherein said core has a plurality of perforations extending substantially between its sides, distributed substantially uniformly over entire area of core and open on both sides of core, wherein front surface of core is covered with a porous layer and perforations are not necessarily limited at rear side of core, and porous layer from front side core for application of dry seam sealant and a non-blocking water-based paints.
EFFECT: ensuring a high level of sound absorption coefficient and monolithic appearance.
10 cl, 12 dwg
| Title | Year | Author | Number |
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