Everbuild B2 Fire Rated Expanding Foam Hand Held 750ml

Everbuild B2 Fire Rated Expanding Foam is a one-component polyurethane foam designed for direct manual application without a foam gun. It provides a medium-performance fire-resistant seal for construction joints, service penetrations, door frames, and window surrounds, forming a durable barrier against flame, smoke, and air movement for up to two hours’ protection. The foam expands approximately 1.5 to 2 times its original volume, filling smaller to medium cavities where a controlled, economical expansion is preferred. Once cured, it delivers excellent adhesion to most building materials, including brick, concrete, plaster, metal, and timber. Its formulation allows for cutting, sawing, or plastering just one hour after application at working temperatures between +5°C and +25°C, supporting efficient progress on active job sites. The 750ml size offers optimal yield for professional use, expanding to approximately 1.2 to 1.5 litres when fully cured. The hand-held format allows easy use straight from the can, ideal for site convenience or smaller sealing tasks where gun application is unnecessary.