| Relieving Arch: | Usually a two ring segmental arch built within a wall over a flat lintel, of wood or stone, to trans... | |
| Render | A sand and cement backing coat for tiling, usually applied in at least 2 coats.... | |
| Rendering | The act of applying a render to a wall.... | |
| Reveals: | The vertical line of a Stopped-End in a wall to for door or window openings. Openings can be formed ... | |
| Reverse Bond: | A solution that can be used as an alternative to Broken Bond. When the dimensions of a wall require ... | |
| Ridge | Intersection of 2 (two) roof slopes covered normally by ridge tile capping or lead.... | |
| Roddle | A mix of Red powder with added water to make a solution to mark out the roof not only for battening ... | |
| Roller Kiln | A modern kiln for firing ceramic tiles and sheets in which the product passes through in 24 hours on... | |
| Rough Arch: | Constructed of two, three, or four rings of headers and used mainly for Segmental or Semi-Circular A... | |
| Rounded Edge | Treatment of external angles by means of a rounded or glazed rounded edge. Now virtually obsolete an... | |
| Rubber Hammer | Heavy rubber hammer used in floor tiling to ensure good contact between tile and adhesive.... | |
| Rubbers | A special brick produced so that it can be easily cut and rubbed (traditionally on a York Stone) to ... | |
| Rubbing Block | A silicone block or varying grit sizes to assist in the removal of rough edges and the forming of mi... | |
| Saddleback Coping: | Coping that has two upper faces sloping to a ridge. For 1B. and 1.5B. walls there are coping bricks ... | |
| Salt Glaze | Type of glaze used in the production of fireclay and faience. Still seen as salt glazed stoneware dr... | |
| Sand | Fine aggregates as described in BS EN 13139 Aggregates for mortar, used in rendering, screeding and ... | |
| Sarking | Today generally accepted as referring to a layer of felt fixed below battens. Also an OLD Scottish t... | |
| Screed | Traditionally a sand and cement levelling layer prior to the application of floor tiles. Now often c... | |
| Screeding | The act of applying a screed.... | |
| Screen Printing | Technique for applying patterns and decorative effects to a glazed tile.... | |
