An intumescent and acoustic acrylic sealant that swells when exposed to temperatures in excess of 150 °C Everbuild 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. - 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.
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Usage Recommended for: Sealing joints, voids and irregular holes in fire walls, partitions and other structures; also for maintaining the integrity of pipes and cables that penetrate them. For internal perimeter pointing of fire rated door and window frames. Advantages - 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.
Packaging 380 ml cartridge & 600 ml foil |
Technical Information Elongation at break >100 % (ISO8339) Movement Capability 12.5 % Elastic Recovery <40 % (ISO7389) Shrinkage <25 % (ISO10563) Reaction to Fire Class E (EN13501-1) Joint Design Max Joint Width - 50 mm Joint Movement - + / - 12.5 % of Original Size Joint Dimensions For maximum movement accommodation, it is recommended that: 1. The sealant joint depth should be no less than 5 mm 2. Joint depth should be 5 mm for joints up to 10 mm wide 3. Joints above 10 mm in width should be half the width in depth up to 20 mm and minimum 10 mm for wider joints Joint depth may be adjusted to the correct size using EVERBUILD JOINT BACKER ROD. |
Application Information Curing Rate 1 mm / 24hrs at 50 % Relative Humidity 23 °C Tack Free Time 15 minutes |
The above design is only a sample of the options available, for reference purposes only. Our policy of continuous improvement may result in a change of specifications without notice. If any discrepencies might be between the data sheet values and standards, we reserve the rights to make technical changes. Our company will not be held responsible, as all or any of pictures, drawings, weights and dimensions details or other elements in this document are only indicative and must not be considered contractual. Contact our sales team for other specifications or custom made products.
Contact our sales team for other specifications or custom made products.