The Everbuild Fire Foam B2 Hand Held 750ml is an essential tool for insulation and construction work. This professional-grade, quick-setting foam is specially designed to fill gaps and insulate, providing excellent thermal and acoustic insulation properties. It adheres to most building materials, creating an impermeable seal against smoke and gas. The product is highly durable and has a fire rating of up to 2 hours, making it a reliable choice for safety-conscious builders.