Category
Other Building Materials
Store
eBay
Brand
Permavent
Permavent APEX has Sd value of 0.01m. APEX also provides a secondary barrier to water ingress. Permavent APEX has full BBA Certification for use in both cold and warm non ventilated roofs. Permavent APEX is fully compliant with BS5534:2014+A2:2018 Code of Practice and our taped version can be used in all UK wind zones without the need for high and low level ventilation.
224.99 GBP
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