GYPSUM PANEL APPLICABLE IN RAW OR WET AREAS

摘要

1. A gypsum panel comprising a center layer with at least one side covered with a nonwoven fabric, said nonwoven fabric having 2 sides: an inner side in contact with the gypsum core and an outer side on the opposite side of the gypsum core characterized in that the inner side of the nonwoven material has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, preferably from 25 to 40 micrometers. 2. The gypsum panel according to claim 1, characterized in that the inner side of the nonwoven material contains an embossed pattern having a surface roughness Ra from 25 to 60 micrometers, preferably from 25 to 50 micrometers, preferably from 25 to 40 micrometers. The gypsum panel according to claim 1, characterized in that the outer side of the nonwoven material has a surface roughness Ra of less than 25 micrometers, preferably from 5 to 15 micrometers. Gypsum panel according to any one of paragraphs. 1-3, characterized in that in its Central layer and / or in its non-woven material, the gypsum panel contains waterproof and / or refractory agents. The gypsum panel according to claim 1, characterized in that the non-woven material contains fibers selected from the group consisting of cellulosic fibers, inorganic or mineral fibers, synthetic polymer fibers and mixtures thereof, while it is preferable that: cellulose-based fibers are at least 25 weight. %, preferably 30 weight. %, more preferably 40 weight. % by weight of nonwoven fabric; and / or inorganic or mineral fibers are fiberglass; and / or synthetic polymer fibers are polymeric