IMPROVED FIRE PERFORMANCE FOR WOOD VENEER LAMINATED CEILING TILE
The present invention is directed to a building panel having a laminate structure comprising a cellulosic layer; and a topcoat layer that is substantially impervious to ambient moisture. The topcoat layer comprises a sealant sub-layer, an intumescent sub-layer comprising an intumescent composition,...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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