Sika Sikacryl 620 Fire Sealant White 380ml

Sikacryl 620 Fire Sealant (Formerly known as Tecnic Fire Sealant 300) is a four-hour rated, one part, acrylic emulsion based, intumescent sealant that gives a firm yet flexible seal to joints in a variety of fire rated structures. Tested in accordance with BS EN 1366-4:2006, the product, in suitably designed joints, will resist the passage of fire for up to 4 hours. The selected fillers used in this formulation also make it suitable for use as an acoustic sealant.

BENEFITS:

- When exposed to heat, it swells greater than 3 x its original size, so creating a char that will resist the passage of fire for up to 4 hours
- No priming required for most construction substrates
- Joint movement capability of +/- 12.5 %
- For use in joints up to 50 mm wide
- Halogen free
- Non slump - easy to apply and tool off
- Tack free in 15 minutes
- Over paintable
- Excellent acoustic properties for sound deadening - average noise reduction of 29 dB

RECOMMENDED FOR:

- Sealing joints, voids and irregular holes in fire walls, partitions and other structures
- For maintaining the integrity of pipes and cables that penetrate them
- For internal perimeter pointing of fire rated door and window frames