The classification is made in accordance with Leaflet No. 2.1, Filling of gypsum fibre boards, surface qualities. A distinction is made between different joint techniques for gypsum fibreboards: filler joint, flattened edge and adhesive joint. Accordingly, these techniques are also differentiated when defining the quality levels of filling. In order to ensure the clarity of the required service, the quality levels must be marked with the addition of "gypsum fibre" in the tender. In contrast to other gypsum materials, gypsum fibreboards can have product-specific differences in the required performance.
The following applies to filler with filler joint or flattened edge :
*The described extent of the filler refers to the top layer of the slab.
The following applies to the filling of gypsum fibre boards with adhesive joints :
*The described extent of the filler refers to the top layer of the board.
Source: bauwion
