This British Standard specifies requirements for components which, when assembled in accordance with BS 8303, form the setting for inset open fires of nominal sizes 400 mm and 450 mm (see Figure 1).
Clause 3 specifies requirements for firebacks for inset open fires without boilers or underfloor air supply used with solid fuel.
Clause 4 specifies requirements for prefabricated fireplace surrounds and hearths and excludes constructional hearths at floor level (see Figure 1).
Clause 5 specifies requirements for precast, reinforced concrete throat-forming lintels, excluding those designed to form part of a complete appliance.
NOTE 1
Lintels conforming to this British Standard are suitable for use as load-bearing supports for brickwork.
NOTE 2
Requirements for fireguards are specified in BS 8423.
