Ablative
An ablative material develops a char that has thermal insulation characteristics and resists erosion from fire and flames.
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Ablative Coated Fire Batt
Ablative Coated Fire Batt is a specially designed insulation batt that acts as an air seal barrier whilst reinforcing fire resistance and acoustic performance of concrete floors, masonry walls and...
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Ablative Coating
The Ablative Coating is used in conjunction with the Ablative Coated batt to enhance fire performance. It can also be used in additional fire stopping applications such as linear and...
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Accelerant
An accelerant is a material, usually a flammable liquid, that is used either to start or spread a fire more quickly.
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Acrylic Sealant
Acrylic sealant is a synthetic, water-based ingredient made from acrylic resins, used for caulking, jointing and filling cracks and gaps.
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Active Fire Protection Systems (AFP)
Active Fire Protection (AFP) is a group of systems that require special energisation or a command signal to operate, and includes: Detection systems, Alarm Systems, Sprinkler/ water mist systems, Other...
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Ad Hoc Assessment
As assessment specifically written for a particular set of circumstances or construction project.
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Ad Hoc Testing
Some penetration seal products may have test evidence created by ad hoc testing to BS476: 20. The testing is deemed ad hoc because the British Standard BS476:20 does not specifically...
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Air Transfer Grilles
Air Transfer Grilles are fitted into walls and some doors; and ductwork to keep fresh air circulating. In a fire, intumescent grilles expand to form a solid block that stops...
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Annulus (Firestop)
The annulus, or annular space, is the space between a penetrating service and whatever surrounds it, such as the sides of an opening or a sleeve, as the case may...
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Approved Document B
Government Building regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices.