| Calcium-Silicate Brick | Known as a Sand-Lime Brick. Made from sand, or crushed flint, mixed with a hydrated lime, approximat... | |
| Camber Arch: | A one centred arch also known as a Flat or Georgian Arch. It differs from all other arches in that t... | |
| Cant Brick | As with the B.N. Brick these may be single or double with the corner, or corners, formed as a 45 deg... | |
| Capping Brick | A special brick shaped so as to be laid on edge to finish the top of a wall but without projecting b... | |
| Carborundum Stones | Of various grades of grit size to trim and smooth glazed and unglazed tiles after snapping.... | |
| Cavity Closer | Door and window openings in an external cavity wall require the cavity to be closed. The standard of... | |
| Cavity Fill: | It is sometimes necessary, especially in housing, to set the top of the concrete foundation well bel... | |
| Cavity Insulation | For new build the standard of thermal insulation for external walls, set by Building Regulations, re... | |
| Cavity Tray: | Water can penetrate an external wall to run down the inner face and enter the building where door an... | |
| Cavity Wall: | Widely used in domestic construction as an external wall to prevent moisture from entering the build... | |
| Cement | Portland cement to BS EN 197-1 Cement Ð Composition, specifications and conformity criteria.... | |
| Cement Mortar | A bedding mortar using Ordinary Portland Cement (O.P.C.) and soft sand mixed in a ratio of approx. 1... | |
| Centre Nail | Fixing of slates by nailing to battens slightly above the head of the slate in the preceding course.... | |
| Centre: | Temporary timber frame, set in an opening, on which an arch is turned; used for larger spans say ove... | |
| 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... | |
| Chalk Line | A piece of cord or similar immersed in Red Roddle to strike / mark a line across the roof to mark ou... | |
| Chasing: | The task of cutting a recess (usually vertically) in a completed internal wall, in brickwork or bloc... | |
