BBA Agrément Certificate
Certificate type
Permavent vapour permeable membranes warm non - ventilated roof BBA
Permavent LtdValid until 13/09/2025
Provided by British Board of Agrément (BBA)
Date of first issue: 13/09/2022
Date of last issue: 13/09/2022
Expiry date: 13/09/2025
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