
Bostik FP401 white fire sealant (290ml). Fire rated to EN 1366-4 for 4 hours, low VOC, paintable. For interior linear joints.
The Bostik FP401 Fireseal Fire Resistant Acrylic Sealant is a professional-grade, one-component fireproof sealant designed to provide up to four hours of fire protection for linear joints in interior applications.
This white sealant is specifically formulated for use on gypsum and stony substrates, where it creates a durable and flexible seal that resists the passage of fire, smoke, and hot gases. It is fire rated to EN 1366-4, offering verified performance and peace of mind in critical fire-stopping scenarios.
Key Features & Benefits
Ideal for sealing gaps and joints around door frames, service penetrations, and in wall and floor assemblies where fire integrity is required. Its reliable performance makes it a trusted choice for contractors and builders adhering to strict building regulations.
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