FIELD: construction.
SUBSTANCE: flaky construction board consisting of the main layer (1), which, at least at one flat side has a coating that serves as a bearing layer (4). The bearing layer (4) includes at least three layers, namely, a thin transition layer (5) of a mortar, which is applied on the main layer (1), a layer (6) of a fibre glass cloth and a binding layer (7), made of a non-compressible hardened coating mortar with smoothened surface.
EFFECT: invention makes it possible to increase board strength.
19 cl, 1 dwg
