Deligo SF750 B3 Expanding Foam 750ml is a product offered by Deligo, a UK-based supplier of fixings, fasteners, and accessories. This expanding foam has a fire rating of B3, is CFC-free, and self-expanding. It boasts excellent adhesion and filling capacity, high thermal and acoustical insulation value, quality mounting capacity, and stability. It can adhere to almost all building materials, is mold-proof, waterproof, and paintable. Once dried, it forms a rigid consistency that can be trimmed, shaped, and sanded. Common uses include fixing and insulating door and window frames, filling and sealing gaps, joints, and cavities, and insulating electrical outlets and water pipes. The size of the can is 750ml, and it is manufactured from polyurethane with a 90-minute cure time.