Below you'll find a list of all posts that have been tagged as “vapour permeable membrane”
View The A. Proctor Group entry on BPindex Visit The A. Proctor Group website November 16th 2025 marks ten years since Wraptite® – the self-adhered, vapour permeable, airtightness membrane from Proctor Group – first received a BBA certificate. Wraptite’s development has mirrored changes in the UK’s building regulations and standards. Consistent improvements in energy efficiency and airtightness requirements have presented …
View the DuPont entry on BPindex Visit the DuPont website Europe has standardised testing and classification criteria for construction products through the European Standard EN 13501-1. Classes are described by letters. The first letter gives a classification based on the combustibility and contribution to fire: A1 and A2 is non-combustible, B till E go from very limited to medium contribution to fire, …
