80 INTERIORS
substrates. Waterproofing for tiled surfaces is installed behind the tiles as a tanking system. In other types of installa- tion however, such as a vinyl flooring system, the vinyl may provide the tanking itself. Therefore any failure or damage to the covering or poor sealing techniques at the drain interface could have serious consequences for water sensitive backgrounds and subsequent bacteria colonisation. Whereas if a tile is damaged then the background, when tanked, remains fully protected and the water- proofing element is maintained. An area that TTA has been working on
FURTHER BENEFITS From a fire safety perspective, ceramic tiles are neutral in terms of fire risk, being non-combustible. Since they don’t burn, they don’t cause smoke and will not emit toxins in a fire as many other floorings do. A further consideration for house- builders is in the construction of tiling
is that of slip resistance of tiled surfaces, and TTA has a technical document on Slip Resistance of Hard Flooring. Ceramic tiles are not inherently slippery when clean and dry, but the slip resistance of any type of floor covering can significantly reduce if it becomes contaminated by any form of lubricant, such as water or dust, depend- ing upon the floor’s surface texture and footwear used. Anti-slip tiles for use in bathrooms and wetrooms are available from many manufacturers, and can also feature special step tread patterns.
INSTALLATION All work should be carried out to British Standard BS5385. In its latest revision
(2018), tiling directly to plywood is no longer recommended for wall tiling. A bespoke tiling backer board should be used - as described previously, the integrity of the tiling substrate can itself have important hygiene implications. The latest British Standard also states
that tiling works should be carried out by a skilled operative, who has been trained to a level of competence, certified by a recognised authoritative body, such as the TTA.
The Tile Association is an independent trade association representing the UK tiling industry
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