| Calcium hardness | A measure of calcium salts in water, important in swimming pools, ideally between 250 ppm Ð 350 ... | |
| Calcium Sulfate screeds | Pump applied self levelling screeds based on a binder of calcium sulfate (gypsum). Cannot be used in... | |
| Carborundum Stones | Of various grades of grit size to trim and smooth glazed and unglazed tiles after snapping.... | |
| Cement | Portland cement to BS EN 197-1 Cement Ð Composition, specifications and conformity criteria.... | |
| Centring | Process of establishing the centre line of wall or floor surfaces, prior to tiling and then working ... | |
| Ceramic Mosaic | Mechanically pressed, square or rectangular, unglazed material usually supplied either paper faced o... | |
| Ceramic Rain Screen | Large ceramic sheets, glazed or unglazed measuring up to 2 m x 1 m, mechanically fixed externally us... | |
| Ceramic Tiles | Square, rectangular and multi-angle shaped material produced fromrefined clays and calcined flint, s... | |
| Coefficient of Expansion | A value used to calculate the distance various ceramic materials can expand under the influence of h... | |
| Coefficient of Friction | A value to indicate slipperiness of floor surfaces. Established on site by means of a mechanical Pen... | |
| Coloured Grout | Commerciallly prepared cement, fine aggregate, plasticisers and colourfast pigments mix for filling ... | |
| Combination Tile Cutters | Small hand held tool which incorporates both a cutting wheel to scribe the glazed surface and a pres... | |
| Constructional Faience | A form of hollow moulded faience created from moulds. Glazed and fired blocks are filled with weak m... | |
| Cove Skirting | A glazed or unglazed tile that has an integral cove at its foot.... | |
| Cramp | A non ferrous fixing that ties tiles or faience back into the structure or into a slot or mechanical... | |
| Crazing | The effect of differences in coefficients of expansion of the body of a tile and the glaze which cau... | |
| Curvature | The extent to which a tile deviates from surface flatness. Maximum deviations are set out in BS EN 1... | |
| Cushion Edged | A slight curvature of a tile edge imparted from the die during manufacture, as an aid to fixing.... | |
| Datum | A mark or line established by the tiler or a common datum for use by all trades.... | |
| De-Coupling Membrane | A manufactured plastic sheet containing indentations for separation of screed from tile bed to help ... | |
