OB1 Fire Resistant Hybrid Sealant 290ml White is a durable, fire-retardant hybrid sealant for linear joints. Tested according to EN 1366-4, this white hybrid sealant provides up to 4 hours fire resistance and will prevent the spread of fire, smoke or toxic gases. This hybrid sealant absorbs movement up to 25% and can be applied in horizontal joints and between walls and floors or ceilings to create a secure sealing. This fire-resistant hybrid sealant is paintable with most water and oil-based paints.

Brand Name	OB1
Colour	White
Material	hybrid sealant
Manufacturer Model No	string
Wear Type	string
Type	sealant
Certifications Met	Tested to EN 1366-4
Country of Origin	string
Protects From	fire, smoke or toxic gases
Waterproof	Yes
Number of Pockets	string
Volume (L)	0.29

Bostik Pro FP403 Fireseal Hybrid Sealant is a high-quality, professional-grade sealant designed to provide exceptional fire resistance. This hybrid sealant, available in a 290ml white variant, is ideal for sealing joints and service penetrations in fire walls, partitions, fire rated door frames and glazing systems. This top-tier product from Bostik offers excellent adhesion to a wide variety of substrates without the need for priming.

Brand Name	Bostik
Colour	White
Material	Hybrid Sealant
Protects From	fire
Type	Hybrid Sealant
Waterproof	Yes
Size	290ml
Recommended Application	Fire-resistant sealing for construction joints and service penetrations
Paintable	Yes
Mold & Mildew Resistant	Yes
Indoor/Outdoor Use	Both indoor and outdoor use
UV Resistance	Yes
Flexibility	High flexibility
Adhesion	Adheres to concrete, brick, stone, metals, plastics, and most common building materials