What are the maximum weight restrictions for wall tiling? What are the maximum weight restrictions for wall tiling?

What are the maximum weight restrictions for wall tiling?

As per BS 5385, the maximum weight restrictions for wall substrates are:

Gypsum plaster: 20kg/m2

Gypsum plasterboard (12.5mm thickness): 32kg/m2

Sand and cement rendering: 64kg/m2

Lightweight foam-cored tile backer boards: 60kg/m2

Glass reinforced cement-based boards: 50kg/m2

Gypsum fibreboards: 40kg/m2

Other rigid tile backer boards: Consult manufacturer

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