
Sikaflex 400 Fire is a grey polyurethane sealant in a 600ml sausage, formulated for fire rated joints and penetration sealing in buildings.
Use it to seal control joints, wall-to-floor junctions and service penetrations where a fire rating must be maintained, in concrete, masonry and plasterboard construction. Gun it with a 600ml sausage gun, tool the bead within skin time, and follow the tested system details for joint depth and backing rod.
Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is a fire rated, moisture-curing, elastic joint sealant designed for movement and connection joints on various substrates.
Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is a one-component sealant that provides up to 4 hours of fire resistance according to AS 1530.4 and EN 1366-4. It features a movement capability of ± 25% (ASTM C719) and offers excellent adhesion to both porous and non-porous substrates. This sealant is suitable for both interior and exterior applications, ensuring long-lasting performance in various environments. Its easy-to-smooth consistency and long open time enhance workability, making it a reliable choice for fire rated joints and penetrations.
| Dimensions (W x H x D) | 50mm x 350mm x 50mm |
| Material | Polyurethane Sealant |
| Colour | Grey |
| Model Number | 509357 |
| Volume/Size | 600L |
Sikaflex 600ml Grey 400 Fire Polyurethane Sealant is designed for effective sealing in fire rated applications.



