FIELD: construction.
SUBSTANCE: invention relates to a gypsum board (10) comprising at least an upper gypsum layer (16) having a first density, a first hardness and a first thickness, and a lower gypsum layer (17) having a second density, a second hardness and a second thickness. The first density is below the second density and/or the first hardness is below the second hardness and the first thickness is less than the second thickness.
EFFECT: heavy or dense gypsum board with improved installation characteristics.
12 cl, 9 dwg
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