Last edited 07 Nov 2020

Unprotected area definition

According to Approved Document B1 of the Building Regulations, 'Fire Safety: Dwellinghouses', the term 'unprotected area' in relation to a side or external wall of a building means:

NOTE: Recessed car parking areas as shown in Diagram A1 should not be regarded as unprotected areas.

Diagram a1 recessed car parking areas.jpg

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