Sikacryl-620 Fire

Sikacryl-620 Fire Resistant Acrylic Sealant

Sikacryl-620 Fire is a premium one-part, water-based acrylic sealant specifically engineered for professional sealing of construction joints, expansion gaps and movement joints in building and civil engineering projects.

Key Features & Benefits

• Fire Resistance: Formulated to meet strict European fire safety standards and building regulations, making it ideal for projects requiring fire-rated sealing solutions
• Permanent Flexibility: Maintains long-term elasticity to absorb structural movements, thermal expansion, and settlement while preserving seal integrity
• Excellent Adhesion: Bonds reliably to common construction materials including concrete, mortar, aluminium, steel, and various plastics
• Weather Durability: Resists UV radiation, extreme temperature variations, and outdoor exposure without deterioration

Technical Performance

This high-performance sealant is designed for professional contractors, construction companies, and certified applicators working on demanding projects. The water-based formulation offers ease of application while delivering robust long-term performance under challenging site conditions.

Ideal Applications

• Building facade sealing and joint protection
• Expansion and movement joint filling
• Fire-rated construction sealing requirements
• Renovation and rehabilitation projects
• Civil engineering applications requiring durable joint sealing

For optimal results, follow the detailed application procedures in the product technical data sheet, including substrate preparation and environmental conditions. Backed by Sika's global reputation and local technical support.