Dryseal, Hambleside Danelaw’s BBA certified flat roofing system manufactured from GRP, is environmentally sound, leaving no chemical residue once installed.
Knauf Insulation has earned an additional BBA certificate for its Rocksilk® RainScreen Slab range – a new solution for partially filled masonry cavities.
Designed and built for best practice on site, Keyfix’s unique range of external cavity wall solutions have been awarded BBA Certification and are NHBC Accepted.
Langley Waterproofing Systems Ltd, the leading roofing and waterproofing systems supplier, has invested further in British Board of Agrément (BBA) independent assessment.