The Bostik Pro FP403 Fireseal Hybrid Sealant is a professional-grade, easy-to-use sealant designed to provide high-performance fire resistance. Available in a 290ml size and grey colour, this product offers excellent adhesion to a wide range of materials and substrates. Its unique hybrid formulation provides up to four hours of fire protection, making it an ideal choice for various construction and industrial applications. Its low-emission properties further enhance its safety profile.