The prevents rain etc on the external leaf from penetrating into the building.Ĭavity wall insulation - A method of improving the thermal insulation of a wall by filling the wall cavities with one of various materials available to provide increased thermal insulation. Used in sealants, mineral felts and damp-proof courses.īrace - A diagonal member used to prevent part of a structure from sagging - can either be temporary or permanent.īreeze block - An old type of building block made using cinders - tends to produce find black dust when drilled or cut.īrick bond - The various styles of laying bricks to give different patterns while ensuring that no vertical joints align with those of the higher or lower row.Ĭantilever - A projecting beam (or other part of a structure) that is secured at one end only.Ĭaulking - Sealing joints by applying a flexible compound or sealant.Ĭavity wall - A method of building external walls of houses using two leaves of brick or blockwork (with wall-ties between) separated by a gap (I. They are a preferred solution for suspended ground floors in housing.īitumen - A black, sticky substance, related to asphalt. See also Closer.īeam and Block (Floor) - Suspended floors consisting of precast prestressed concrete beams spaced at centres to suit the use of standard walling blocks as infill between the beams. Used on flat roofs and under tile felt.īalanced flue - A common flue design used with gas appliances which allows air to be drawn to the appliance whilst also allowing fumes to escape.īat (brickwork) - A brick cut crossways to give a reduced length - commonly quarter, half or three-quarter bats. Hazardous fibres may be released if cut, drilled or otherwise broken.Īsphalt - Black, tar-like material, strongly adhesive and impervious to moisture. It is fragile and will not bear heavy weights. Can be a health hazard - should not be disturbed and specialist advice sought if found or suspected.Īsbestos cement - Cement with 10-15% asbestos fibre used as reinforcement, often used in the past for roofing sheets, gutter, roof tiles. used in the manufacture of concrete, and other construction work.Īirbrick - A perforated brick built into walls for ventilation, especially for under floor spaces.Īsbestos - A fibrous mineral used in the past for insulation. Aggregate - Pebbles, shingle, gravel etc.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |