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Urethane foam sealant
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- Bonds well to most surfaces except polyethylene, teflon or
silicon plastics
- Very good for filling larger joints and cavities where
conventional sealants are not suitable (e.g. header/joist
intersections and around plumbing and vent openings)
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- Check cans carefully for details on the sizes of cracks that
can be filled
- 10 to 25 year life expectancy
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- Available with different rates and amount of expansion
depending on ingredients and the amount of pre-curing
- Available in dispensing system with spray nozzles or individual
aerosol spray cans
- Use gloves and a drop cloth
- Like all insulating foams, must be covered with fire-resistant
material
- Ventilation required to remove potentially toxic vapours
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