Sikasil®-670 Fire is a fire rated, silicone based, 1-component, UV-stable, moisture-curing, low-modulus
elastic joint sealant. Suitable for use in hot and tropical climatic conditions.

Sikasil®-670 Fire is designed for fire rated movement and connection joints on porous and non-porous substrates. It is also suited for use as a weather sealant for movement and connection joints in building envelopes.

• Up to 4 hours fire resistance according to EN 1366-4
• Very good resistance to weathering
• Movement capability of ± 35 % (ASTM C 719)
• Easy to smooth and very good workability
• Good adhesion to many different substrates
• Neutral curing