Sika Fire Mate Sealant – White C3

Sika Fire Mate Sealant is an advanced intumescent acrylic-based fire-rated acoustic sealant, specifically designed for sealing joints and gaps where fire safety is paramount. This versatile sealant is suitable for both trade professionals and DIY enthusiasts, providing an essential solution for fire protection in a variety of applications, including wall and ceiling joints.

Offering impressive fire resistance of up to 5 hours in suitably designed joints, this sealant also boasts an acoustic rating with an average noise reduction of 35.9 dB (100-3150Hz), making it ideal for environments where sound insulation is important. Its unique formulation expands more than three times its original size when exposed to heat, ensuring a reliable seal during a fire. With a quick tack-free time of just 15 minutes, and a full cure achievable in 3 to 5 days, Sika Fire Mate Sealant is a practical choice for efficient project completion.

Specifications

Type: Intumescent acrylic-based fire-rated acoustic sealant
Fire Resistance: Up to 5 hours (in suitably designed joints)
Acoustic Rating: Average noise reduction of 35.9 dB (100-3150Hz); tested to BS EN ISO 140/3
Swelling: Expands more than 3x (over 150%) its original size when exposed to heat
Elongation/Flexibility: +/- 7.5% to 12.5% movement accommodation
Curing Time: Tack free in 15 minutes; full cure in 3 to 5 days depending on conditions
Joint Width: Up to 50mm
Colours: White, Grey, Brown
Overpaintable: Yes, once cured
Packaging: 310ml cartridge (295ml fill typical)
Shelf Life: 24 months from manufacture date
Storage Conditions: Store in cool, dry place between +5°C and +30°C, protect from frost
Application Tools: Compatible with standard sealant guns

Key Features

• Intumescent properties for enhanced fire safety
• Acoustic performance for sound insulation
• Fast tack-free time for quick application
• Expands significantly to fill gaps in fire situations
• Overpaintable for a seamless finish