11242 Cement, Terrazzo, Marble, Ceramic and Mosaic Floor Tiles
Tiles shall be thoroughly soaked in water for a minimum of 15 minutes before laying and taken out just before use.
Cement slurry bond coat shall be scrubbed to prepare slab prior to placing mortar bed. The mortar bed composed of 1 part cement to three parts of aggregate complying with BS 1199 Table 1 shall be immediately applied after application of slurry bond coat and spread evenly.
Spread setting coat on the mortar bed and set the tiles. The tiles shall be laid over the screed with continuous joints. Tiles shall be accurately cut and fitted to doors, wall ends, opening & projections.
Tile joints shall be grouted with the setting coat mortar. Finished floor shall be perfectly true and level or laid to falls as shown on drawings.
Tiles shall be left undisturbed for 24 hours. Tiles shall be topped with cement fine aggregate mortar mix 1:3 to a minimum thickness of 5mm distributed uniformly.
The flooring shall be wetted for seven days and left to cure for 28 days. The topping shall be machine ground with carborundum stone to clear the topping and expose the tile. The ground tile shall be cleaned off dust and polished at completion of work.
