FIELD: construction.
SUBSTANCE: invention relates to acoustic ceiling panels. Coated ceiling tile with high stability of geometrical dimensions contains basic ceiling tile, having face front and rear side opposite to front side. Front side is directed inside room and visible for people in room, when coated ceiling tile is installed in room. Thin coating with thickness from approximately 100 mqm to approximately 1,000 mqm is applied on said rear side. Said thin coating consists of twisted matrix of calcium sulfate dihydrate crystals, applied on rear side, which provides ceiling tiles deflection reduction, wherein providing sound absorption by coated ceiling tiles, without sound reflection back to room filled with people.
EFFECT: front side does not contain thin coating.
5 cl, 3 tbl, 4 ex
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