Bostik Pro Sealants FP403 Hybrid Fire Resistant Sealant

Introducing the Bostik FP403 Hybrid, the ultimate fire-resistant sealant solution engineered for professional and DIY use. This high-performance hybrid sealant offers superior durability, flexibility, and safety for sealing walls, floors, ceilings, and metal frames, ensuring your construction projects meet stringent fire protection standards.

With up to 25% movement capability, the FP403 adapts to various building movements while maintaining a strong, secure seal. It is fire-rated for up to 4 hours and boasts excellent UV and weather resistance, making it suitable for both indoor and outdoor applications.

Features & Benefits

• Suitable for sealing walls, floors, ceilings, and metal frames

• Certified for all metal stud (gypsum) connections

• Provides 25% flexibility for movement

• High modulus formulation for superior performance

• Excellent sound insulation properties

• Suitable for both interior and exterior use

• Fire-rated to EN 1366-4 for up to 4 hours

• Fire Class EN 13501-1 Class B-s1,d0

• Smoke Leakage EN 1634-3: Sa and Class S200

• UV and weather-resistant

• Eco-friendly packaging: supplied in post-consumer recycled (PCR) cartridge

• GEV-EMICODE EC1 PLUS certified for very low emissions

• Size: 290ml tube

• Colour: White

Applications

• Fire-resistant sealing of walls, floors, ceilings, and metal frames

• Metal stud (gypsum) connections

• Construction joints requiring movement accommodation

• Indoor and outdoor fire safety applications

• Sound insulation in commercial and residential buildings

FAQs

Q1: How flexible is the Bostik FP403 sealant?

A: The FP403 offers up to 25% flexibility, allowing it to accommodate building movement without compromising the seal.

Q2: Is the sealant suitable for outdoor use?

A: Yes, Bostik FP403 is UV and weather-resistant, making it ideal for both indoor and outdoor applications.