Sika Sikasil-670 Fire is a white silicone sealant designed for fire-resistant joint sealing in building and installation applications. The 300 ml cartridge provides a convenient, single-component solution for professional and DIY use.
Fire-resistant silicone sealant for critical joint applications
White colour for clean, visible finishing on light surfaces
300 ml cartridge format for precise, controlled application
Single-component formula — no mixing required, ready to use directly from the cartridge
Das zeichnet Sikasil-670 Fire aus
The Sikasil-670 Fire formulation delivers reliable fire-resistant performance in accordance with tested standards, making it suitable for joints and seams where fire protection is a regulatory or safety requirement. The white colour ensures a clean, neutral appearance on most building substrates without the need for painting or covering.
Ideal für...
Building contractors, installers, and maintenance professionals working on fire-sealed joints in commercial and residential construction. Also suited for renovation projects where existing fire barriers must be maintained or renewed.
Anwendung von Sikasil-670 Fire
Apply to clean, dry, and primed surfaces using a standard caulking gun. Cut the nozzle tip to the desired bead width, extrude the sealant evenly along the joint, and smooth with a tool or finger dampened with soapy water. Allow to cure according to the manufacturer's instructions before exposing the joint to moisture or movement.
Sika is a Swiss-based manufacturer of sealing, bonding, and protection products for construction and industry. The Sikasil-670 Fire line specialises in fire-resistant silicone sealants for joint and seam applications in buildings.
Sikasil-670 Fire is a fire-resistant silicone sealant used for sealing joints and seams in building construction where fire protection is required.
Yes, it adheres to most primed and clean building substrates including concrete, masonry, plaster, and wood. Always check the manufacturer's substrate compatibility list before application.
One Sikasil-670 Fire cartridge, 300 ml, white silicone sealant.
The sealant has a shelf life of 12 months from the date of manufacture when stored in unopened cartridges in a cool, dry place. Once applied and cured, it remains durable for the lifetime of the joint under normal conditions.
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