Be careful when using these solvents though, they will remove the finish on many surfaces including: furniture, flooring, painted surfaces, and possibly the dye in some fabrics. Nail polish remover will work for clean-up also if you don't have acetone. Also, have a rag and acetone handy for cleaning up spills. It will stick to everything and will damage many surfaces, so mask any vulnerable surrounding areas that may come in contact with it. Wear latex gloves and safety glasses when spraying the foam to keep it off your skin. Don't use water-based foams that call for soap and water to clean up, they are too soft and flexible when they cure and will not stop the crack from coming back. This information will be on the back of the can. Some foam labels may state: "for wide gaps" but as a general rule, they all tend to expand by about 3 times when exposed to the atmosphere.įor repairing cracks, use a spray foam that requires acetone for clean-up. Spray insulation is an expanding urethane foam in an aerosol can.
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