This one-component urethane foam expands and cures to a semirigid, closed-cell mass for caulking, sealing, filling and insulating. Equals 24 tubes of caulk, according to the manufacturer. Use for filling boat hull cavities, sealing electrical outlets, etc. 12oz. aerosol can.
- Fill cavities
- Seal electrical outlets
- Reduce unwanted noise and vibration
- 12oz. aerosol can
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Reviewed by 1 customer
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- Easy to Use
- Protects Well
- Quick Fix
Comments about Sealant Foam Spray, 12 OZ:
I used this to fill a gap in hull's foam which was compromising its strength and resulted in a stress crack to the fiberglass. All I had to do was drill a hole from the inside and use the spray tube provided to inject the foam into the hull. The foam expanded perfectly without any bulging to the surrounding hull and cured strong giving the hull area its durabilty back! It is also easy to sand for a clean finish once dry.