BBA Agrément Certificate
Certificate type
Permavent Apex air and vapour permeable roof tile underlay cold ventilated and warm non - ventilated roof BBA
Permavent LtdValid until 18/05/2027
Provided by British Board of Agrément (BBA)
Date of first issue: 18/05/2023
Date of last issue: 18/05/2023
Expiry date: 18/05/2027
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