Fire resistant polyurethane expanding foam for gun and nozzle application
Sika Boom®-420 Fire is a 1-part, fire resistant, self-expanding polyurethane foam. It meets the fire resistance requirements of up to 180 minutes according to EN 1366-4. The combi-valve allows the application by either gun or nozzle.
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Fire resistance up to 180 minutes according to EN 1366-4
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Combi-valve for gun or nozzle application
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1-Part ready to use
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Safety valve for extended shelf life
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Cured foam can be cut, trimmed and sanded
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Usage
- Restores the fire resistance performance of a floor or wall which incorporates linear seals
- Interior use only
Advantages
- Fire resistance up to 180 minutes according to EN 1366-4
- Combi-valve for gun or nozzle application
- 1-Part ready to use
- Safety valve for extended shelf life
- Cured foam can be cut, trimmed and sanded
Packaging
750 ml pressurised canister with safety valve: 12 canisters per box
Refer to current price list for packaging variations.
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Technical Information
Resistance to fire
Refer to ‘Approvals / Certificates’ section, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information
Light and Thermal Resistance
Not permanently UV-stable
Service Temperature
−40 °C min. / +80 °C max. (briefly up to +100 °C)
Joint Design
Refer to ‘Approvals / Certificates’ section, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information
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Application Information
Product Temperature
Optimum | +20 °C | Permissible | +5 °C min. / +30 °C max. |
Ambient Air Temperature
Optimum | +20 °C | Permissible | +5 °C min. / +30 °C max. |
Substrate Temperature
Optimum | +20 °C | Permissible | +5 °C min. / +30 °C max. |
Cutting Time
Gun applied: | ~25 minutes* | Nozzle applied: | ~40 minutes* |
*After this time a 30 mm diameter bead can be cut
Tack Free Time
~6 minutes | (FEICA TM 1014) |
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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.