Technical Booklet E Fire Safety·Page 32·Regulation 23(2)
External Wall Materials Classification Requirement
Regulation 23(2) limits materials in or on external walls of relevant buildings to European Classification A2-s1, d0 or Class A1, and assessments cannot be used to demonstrate compliance with this requirement.
Regulation 23(2) limits components used in or on the external walls of relevant buildings to materials achieving European Classification A2-s1, d0 or Class A1 (see Section 5). Assessments cannot be used to demonstrate compliance with this requirement.
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