The maximum weight of tiling which can be supported by a dry,
well-adhered plaster background is 20kg/m². This is equivalent to
ceramic tiles with a maximum thickness of 8mm plus tile adhesive or
natural stone tiles with a maximum thickness of 7mm plus tile adhesive
The weight of tiling to a plasterboard background direct
(without plaster skim) should not exceed 32kg/m². This is equivalent to a
ceramic tile and adhesive with a maximum thickness of 12.
Porcelain tilesare ceramic tiles with a
water absorption rate of less than 0.5 percent that are used to cover
floors and walls. They can either be unglazed or glazed.
Large-scale production of porcelain tile is
undertaken in many countries, with the major producers being China,
Italy, Spain and Turkey. There are also countries undertaking
small-scale production, such as Australia and strong growth in
The hardness of the tile can be rated from zero to
five according to ISO 10545-7 (also, ASTM C1027) test for surface
abrasion resistance of glazed tile, and this can be used to determine
suitability for various end use conditions.