Fire Stop Sealant for Construction Joints

High Quality Fire Stop Sealant & Caulk for Construction Joints Starts Here!

TNS-784 Fire Rated Silicone Sealant is a one-part, neutral cure silicone designed for sealing construction joints and pipe penetrations. It provides up to 4 hours of fire resistance, excellent adhesion to various building substrates, and outstanding durability against UV exposure and extreme temperatures.

Features & Benefits

• Fire rating up to 4 hours.
• Excellent adhesion to many common building substrates.
• Long service life.
• Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes.

Application Areas

• Sealing of expansion joints and pipe/cable penetrations in fire-rated structures.
• Fire-rated systems for expansion joints or penetration seals in curtain walling, building facades, or partition walls.
• Ideal for weather-sealing of curtain walling, building facades, and expansion joints requiring a fire rating.
• Suitable for penetration sealing systems where pipes and cables pass through.

Technical Data Table

Property	Unit	Result
Specific Gravity	g/cm3	1.48
Skin Time	mins	30-40
Hardness Shore A	/	36
Flame retardant performance	/	FV-0
Application Range	°C	10-40
Elongation at break	%	350

Packaging & Color Options

Factory-Direct Firestop Sealant and Caulk — Ready for OEM, Bulk Supply & Branding

Packing & Quantity:

• 600ml sausages, 20 pcs/carton
• 300ml cartridges, 24 pcs/carton

OEM & Custom Options 

• Available in White, Black, Grey, Red and other standard colors.
• Full RAL color matching service offered.
• Custom branding available on cartridges, sausages, and cartons.
• Multi-language labels and export-ready packaging to meet international requirements.

Safety & Storage

• Keep contents out of reach of children. In case of contact with eyes, please rinse eyes with plenty of water and seek medical advice as soon as possible
• Store in a cool, dry, non-humid place to ensure long shelf life.