Sika Sikacryl-620 Fire Fire-Rated Sealant
Sikacryl®-620 Fire is a single-component, water-based intumescent fire sealant designed for wall-to-floor connection joints and penetration seals. When exposed to high temperatures, it expands to form a rigid char layer that effectively blocks the spread of flame and smoke.
| Packaging | 300 ml / cartridge |
|---|---|
| Colour | White, grey |
| Coverage | See product PDF datasheet for details (Actual coverage varies with substrate conditions and application thickness) |
Applications
- Connection joints between walls
- Connections between walls and floors/ceilings
- Perimeter sealing around fire doors and window frames
- Sealing gaps around pipes, cables and ducts penetrating fire walls or floors
- Porous substrates — concrete, brick, masonry, plasterboard, timber
- Non-porous substrates — most metals (e.g. steel, aluminium), rigid plastics
Advantages
- Fire resistance up to 4 hours to EN 1366-4
- Good workability
- Good adhesion to a wide range of substrates
- Water-based
- Paintable