Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 9·73
Protection of People and Buildings
Combustion appliances, flues and hearths must be installed and constructed to prevent burns and damage to buildings by heat or fire.
A combustion appliance shall be so installed and any connected flue-pipe, flue or chimney shall be so constructed and installed as to ensure that their use shall not cause—
(a) burns to any person; or
(b) damage to a building by heat or fire.
A hearth or fireplace recess shall be so designed and constructed as to prevent damage to a building by heat or fire as a result of the operation of a combustion appliance installed in it or on it.
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