Specific installation procedures on backing plates
Clay tile roofs - Canal tiles

Roofing systems combining slabs and canal tiles supported by these slabs do not fall within the traditional domain and are therefore not covered by DTU 40.22 [1] .

Channel tile support plates are defined – and their installation is specified – in the Avis Techniques specific to each process. The processes can be divided into two families:

• fibre-cement slabs to support canal tiles [8] ;

• fibre-reinforced bitumen slabs for support of canal tiles [9] .

These support plates have a specific cross-sectional profile, depending on the geometry of the canal tiles...