Knauf Supafil® 40 Supafil® 40 is a full-fill Glass Mineral Blowing Wool system, designed for use in external masonry cavity walls, offering excellent thermal performance. It is non-combustible with the best possible Euroclass A1 reaction to fire classification. Water repellant and BBA certified for use in all exposure zones, including those in very severe areas. Installed by approved technicians who bring product to site meaning no storage is required on site before installation, and no waste is left on-site post-installation. Awarded the DECLARE 'Red List Free' label. Allows product transparency disclosure that identifies where a product comes from, what it's made of, and where it goes at the end of its life. Buy yours with us today at www.insulationbee.co.uk or speak to one of our friendly staff on 02038839057
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