PU Foam Fire Ratings: Understanding B1, B2, and Safety Compliance
Polyurethane PU foam fire rating is an indispensable material in construction, insulation, and sealing, but when it comes to safety, its fire rating is the single most critical factor. For professionals in construction, architecture, and industrial sealing, knowing the difference between a B1 and a B2 rating is essential for ensuring building code compliance and protecting structural integrity. This comprehensive guide breaks down PU foam fire ratings, explains why they matter, and helps you choose the right foam for every application. What is PU Foam Fire Rating? PU foam fire rating is a classification that describes how polyurethane foam reacts when exposed to flames. It is a measure of the […]
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