Technical Booklet L Combustion Appliances and Fuel Storage Systems·Page 31·2.39
Fire, thermal and acoustic isolation of access hatches
Inspection panels and hatches must not impair fire, thermal, or acoustic requirements and must be fitted with resilient seals to provide standards similar to the surrounding structure.
Any 'means of access' should not impair any fire, thermal or acoustic requirements of the Building Regulations. Where necessary, inspection panels or hatches should be fitted with resilient seals and provide the similar standards of fire, thermal and acoustic isolation to the surrounding structure.
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