A high performance, polyurethane expanding foam, fire rated and tested to BSEN 1366-4. Seals irregular gaps and expands over 40 times its can volume. Available in gun grade or straw aerosol version. Features & Benefits:- B1 Fire Rating. -Excellent adhesion to most construction materials. - Low curing pressure. - High thermal and acoustic insulation value. - Good volume expansion for effective filling. - Does not contain CFC’s and H‐CFC’s. - Resistant to temperatures ranging from -40°C to +100°C and to ageing. - Noise and heat insulation values are excellent. Uses: The fresh foam adheres to most common building materials including wood, concrete, stone, plaster, metal, PVC and polystyrene. Areas of Application: installation of window and door frames and entrance door linings (where a clean and controlled backfill is required) - filling of holes - insulation of penetrations - sealing of thermal and acoustic insulation boards - sealing and connection of joints - reducing the impact of thermal bridges. Conforms to: EN1366‐4+A1:2010 and EN13501‐2+A1:2013 and DIN4102:1.