Shadbolt fire doors and doorsets are supplied to meet current Building Regulations and the latest edition of Approved Document B, which gives minimum periods of fire resistance required for doors according to their position, and other requirements.
Under Approved Document B for England and Wales, and the Technical Standards for Scotland, doors may be tested to BS 476: Part 22 (designated FD30 or FD60), or to BS EN 1634-1: 2000 (designated E30 or E60).
Doors which are also required to control the passage of smoke have the suffix S or Sa.
Shadbolt have carried out a comprehensive programme of testing to the more demanding BS EN 1634-1: 2000 Fire resistance tests for door and shutter assemblies - Part 1: Fire doors and shutters.
For further information please refer to Government website.