| 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 ... | |
| Chimney Breast: | Internal projection of brickwork built to contain a fireplace recess and flue at ground floor level ... | |
| Chimney Head: | Entire terminal of a chimney; the terminal is commenced with a series of corbels to form projections... | |
| Chimney Pot: | A terracotta funnel, of various shapes and sizes, designed to terminate a flue and improve the effic... | |
| Chimney: | The brick structure enclosing a flue, or flues, which extends above roof level. A chimney stack may ... | |
| Constructional Hearth: | This concrete sub-hearth forms part of the structure of the building and supports the heating applia... | |
| Coring: | A craft process used when square section (9 inches x 9 inches) flues were formed in brickwork and li... | |
| Fireback: | Unit, made of fireclay or refractory concrete, set in the recess of the chimney breast to form the b... | |
| Flaunching: | The weathering on the head of a chimney that helps to secure the chimney pots; made from a 1:4 mix o... | |
| Flue Liners: | Liners built to form a flue, in a chimney breast and chimney, which resists the products of combusti... | |
| Front Apron: | A sheet lead weathering, in the front of a chimney, that lays over the roof covering and dressed up ... | |
| Gathering: | Inward corbelling above a fireplace recess to reduce the opening to the size required for the flue. ... | |
| Jambs: | The piers (not less than 200mm thick) that support the chimney breast and form the sides of the fire... | |
| Parging: | Application of a coat of lime mortar used to form a smooth internal lining to a brick flue; care nee... | |
| Stepped Flashing: | A strip of sheet lead cut to form steps up the sides of a chimney, parallel to the pitch of the roof... | |
| Throat: | The sloping reduction, in width, immediately above a fireback to form the start of a flue. This may ... | |
| Withes: | Dividing walls that separate flues in a chimney breast and chimney; these short walls must have a mi... | |
