Bostik FP403 Fireseal Fire Resistant Hybrid Polymer Sealant Grey
Bostik FP403 Fireseal grey hybrid MS polymer sealant with up to 4 hour fire protection for linear joints, certified to EN 1366-4.
The Bostik FP403 Fireseal is a one-component hybrid MS polymer fire resistant sealant offering up to four hours of fire protection for linear joints.
Overview
The Bostik FP403 Fireseal provides a flexible barrier designed for fire-resistant applications, supporting compartmentalisation and helping to maintain the integrity of fire-rated constructions. It accommodates up to 25% movement capability through its ±25% flexibility and is suitable for both vertical and horizontal joints. Beyond its fire-stopping function, the sealant contributes to improved acoustic performance and helps to reduce sound transmission between rooms.
Key Features
- Fire rated for up to 4 hours
- Certified to EN 1366-4
- Reaction to fire: EN 13501-1 (Class B-s1,d0)
- Fire test standard: EN 1634-3 (Sa and Class S200)
- High-modulus hybrid MS polymer with ±25% movement capability
- Contributes to improved acoustic performance in buildings
- Certified for all metal stud (gypsum) connections
- Holds GEV EMICODE EC1 PLUS certification for very low volatile organic compound (VOC) emissions
- Formulated for both interior and exterior use, with UV and weather resistance
Applications
Suitable for sealing walls, floors, ceilings, and metal frames, the sealant can be used for both interior and exterior applications. Its formulation is designed to maintain performance without cracking or degrading over time.
Specifications
- Colour: Grey
- Packaging: Post-consumer recycled (PCR) cartridge
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Weight: 524 g
Choose the Bostik FP403 Fireseal when you need a grey, fire resistant hybrid polymer sealant for fire-rated linear joints that also require movement accommodation and acoustic performance.
- For sealing walls
- For sealing floors
- For sealing ceilings
- For metal frames
- Colour: Grey
- Chemistry: One-component hybrid MS polymer
- Fire Rating: Up to 4 hours
- Certification: EN 1366-4
- Reaction to Fire: EN 13501-1 (Class B-s1,d0)
- Fire Test Standard: EN 1634-3 (Sa and Class S200)
- Movement Capability: ±25%
- Emissions Certification: GEV EMICODE EC1 PLUS
- Special Feature: Acoustic insulation
- Special Feature: UV and weather resistant
- Suitable Surfaces: Walls, floors, ceilings and metal frames
- Packaging: Post-consumer recycled (PCR) cartridge
- Weight: 524 g
- Width: 3.3
- Depth: 1.5
- Height: 4.3
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
Recommended Products
Similar Products
You may like
