Sikacryl 620 Fire 380ml

Sikacryl 620 Fire 380ml is a fire‑rated one‑component water‑based intumescent sealant designed for use in hot and tropical climatic conditions. This sikacryl 620 fire 380ml formulation expands under fire exposure to maintain compartmentation and prevent the spread of flames, smoke and heat through joints and penetrations. Its strong adhesion to a wide range of substrates makes it suitable for construction environments requiring certified fire protection.

The sealant provides fire resistance ratings of up to two hours according to UL 2079, up to five hours according to EN 1366‑4 and up to two hours according to EN 1366‑3, supporting compliance across multiple international standards. Sikacryl 620 Fire 380ml offers good workability for easy application and finishing, while its water‑based composition ensures low odour and compatibility with sensitive environments. Once cured, it can be over‑painted to match surrounding surfaces and maintain aesthetic continuity.

This sikacryl 620 fire 380ml product is widely used in fire‑rated joints, service penetrations and construction interfaces where certified intumescent performance and reliable adhesion are essential.

Product Benefits

• Up to 2 hours fire resistance — UL 2079
• Up to 5 hours fire resistance — EN 1366‑4
• Up to 2 hours fire resistance — EN 1366‑3
• Good workability
• Good adhesion to a wide range of substrates
• Water‑based
• Over‑paintable

Common Applications for Sikacryl 620 Fire

• Fire‑rated joints — walls, floors and partitions
• Service penetrations — pipes, cables and conduits
• Construction interfaces — areas requiring certified fire protection
• Interior sealing — low‑odour water‑based application
• General fire‑stopping — intumescent protection in building assemblies

How to Apply Sikacryl 620 Fire

• Ensure surfaces are clean and dry
• Cut the nozzle to the required bead size
• Apply using a standard cartridge gun
• Tool the sealant for full joint contact
• Allow curing before over‑painting or fire exposure

FAQs for Sikacryl 620 Fire

• Is it fire‑rated? — yes, certified to UL 2079 and EN 1366 standards
• Can it be painted? — over‑paintable once cured
• Is it water‑based? — low‑odour and easy to apply
• Does it adhere well? — strong adhesion to many substrates
• Is it suitable for hot climates? — designed for tropical conditions

For further information on this product, please click the link to visit the Manufacturer’s website.