Exact tile sizes can vary from manufacturer to manufacturer and some can include the joint width in their calculation of tiles/metre. Therefore the above table must only be used as a guide and is not a definitive statement of fact. 

Adhesive: 10 litres covers approximately 7 sq. metres of tiles. (This may vary depending on the key profile on the back of the tile) Grout: 3.5 kg covers approximately 8 sq. metres of tiles. (Based on using a 150x150x5.5mm tile fixed with a 2mm joint).

URGENT WARNING

Last year in the TTA article on tiling a shower or wet room we referred to British Standard BS5385, the Code of Practice for fixing wall and floor tiles. Part 4 of the standard offers advice on fixing tiles in particular situations including wet areas such as in showers. BS5385 states "It is essential to tile onto an already water resistant background. Sand/cement render, dense concrete or water resistant tile backer board are ideal backgrounds. Plaster, plasterboard, timber and timber-based products such as MDF or plywood are absorbent and should be made waterproof by the use of a waterproofing or tanking system."

We have underlined the word essential as failure to do this is currently the most common cause of tiling failures in domestic bathrooms. Tiling onto non water-resistant backgrounds is therefore in breach of the British Standard BS5385.

For further information contact a TTA member tile supplier, phone 020 8663 0946 or look on TTA website at http://www.tiles.org.uk/.

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