| Corbels: | Projections that can be along the face of a wall, as a String Band (one to three courses), or at a q... | |
| Coring: | A craft process used when square section (9 inches x 9 inches) flues were formed in brickwork and li... | |
| Corner Blocks: | Used in pairs they are traditionally made in wood but now manufactured in plastic. Formed in an L sh... | |
| Corner Profile: | Set up during the initial setting out of work and before excavation of foundations. Two adjacent pro... | |
| Counter Batten | Lengths of timber battens fixed immediately beneath the slate or Tile batten directly over the rafte... | |
| Cove Skirting | A glazed or unglazed tile that has an integral cove at its foot.... | |
| Cownose Brick | A specially moulded brick that has a header semicircular on plan.... | |
| Cramp | A non ferrous fixing that ties tiles or faience back into the structure or into a slot or mechanical... | |
| Crawling Board | To enable the roofer to access working areas and particularly useful Board when carrying out repair ... | |
| Crazing | The effect of differences in coefficients of expansion of the body of a tile and the glaze which cau... | |
| Creasing Tile | This Coping Tile is a 262 mm x 150 mm clay tile but unlike a roofing tile it is flat without nibs or... | |
| Crow Stepping: | The finish to a gable wall, when there is a parapet, by a series of large horizontal steps as an alt... | |
| Crown: | The highest point on the external curve of an arch or the arch outline.... | |
| 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.... | |
| Damp Proof Course: | See Bricks and Materials.... | |
| Damp-Proof Course | A d.p.c. is mainly used at Ground Floor Level, at a minimum of 150 mm above ground level, to prevent... | |
| 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 ... | |
| Dead Man: | In some situations it becomes necessary to build a section of a wall ahead of the external corners. ... | |
