TIMCO B1 fire rated fill & fix expanding foam is a premium quality fire resistant polyurethane based expanding foam formulated to give excellent performance in a majority of fire critical applications. The complex cell structure also gives the foam excellent thermal and acoustic characteristics. Tested in accordance with BS 476-20, EN1366-4 and DIN4102-1 for use in fire safety critical applications requiring up to 4 hours fire resistance. Ideal for filling irregular gaps and large voids, insulating around window sills, soffits and barge boards, to aid the fitment of partition stud walls and more. As from 24th August 2023, adequate training is required before industrial or professional use of this product. Refer to below website for training https://safeusediisocyanates.eu/

• 4 hour fire rating
• CFC free
• Fast curing
• Paintable
• Can be plastered
• Up to 30x expansion
• Heat & acoustic insulator
• For 30 and 60 minute fire door applications, use Fire & Acoustic Seals Fire Door Foam (FAS-750G)