| 3 way Intersection | Where 3 (three) different points of the roof meet, otherwise known as a Mitre joint.... | |
| Abrasion Resistance | A glazed floor tile's ability to withstand friction. Classifications range from 1 - 5 and are known ... | |
| Absorption | Porosity of a tile determines its frost resistance and its resistance to staining. The higher the wa... | |
| Abutment | The sloping intersection of a roof surface against a vertical structure protruding through the roof ... | |
| Acid Resisting | Floor or wall tiling that is resistant to acid attack and relates to bedding and jointing as well as... | |
| Additives | Styrene Butadiene or acrylic polymers incorporated at factory or added separately to adhesives on si... | |
| Adhesive | Ready mixed, usually pva or acrylic or cement based powders mixed on site with water and additives f... | |
| Angle Bead | An increasingly historic item, usually glazed and used as a finish to external angles. A coved versi... | |
| Angle Corbels: | The process of corbelling (projecting) a quoin, and occasionally an internal angle, to change its sh... | |
| Angle Grinder | Electric or petrol power tool for cutting large section tiles... | |
| Anhydrite Screed | A form of pumped self levelling screed based on calcium sulfate which can produce screeds of high fi... | |
| Apron: | Projecting panel below a window sill. The panel may be ornamented or of a contrasting brick.... | |
| Arcade: | Series of arches supported by piers or columns.... | |
| Arris | The sharp edge between two adjacent surfaces of a brick.... | |
| Ashlar Slab | Term used in faience work to describe large glazed slabs that were similar in appearance to construc... | |
| Attached Pier: | A pier projecting from a wall face, which thickens it for the width of the pier, and is bonded into ... | |
| Axed Arch: | Describes the construction when the wedge shaped voussoirs are cut with a hammer and bolster and tri... | |
| Back buttering | When a substrate is not completely flat or a tile has deep indentations, additional adhesive is appl... | |
| Back Gutter: | A flat lead gutter, about 125mm wide, formed between the back of the chimney and the slope of the ro... | |
| Back-to-Back: | Term used to describe the construction of two fireplaces when the back wall of the recess is common ... | |
