Note: Always try to remove foam from clothing as soon as possible. I would not use Brake cleaner unless testing it in a totally hidden spot. Spray foam adheres to skin very quickly, and while it doesn’t generally cause any harm in small amounts, it can be very irritating to deal with. But, if the foam has cured, it's time to get out the tools. First, dig out enough of the cured foam to be sure there are no electrical lines or pipes beneath it. Removing spray foam insulation is a daunting task that few look forward to tackling. (Yes, yes I know, we’re yuppie dog owners who treat their dog like a child, I’m fine with it.) If the foam insulation does not come off, try applying more acetone. Spray foam is tough to use neatly, even when you’ve got lots of experience with the stuff. Spray foam adheres to skin very quickly, and while it doesn't generally cause any harm in small amounts, it can be very irritating to deal with. After a thin layer remains, moisten it with a dissolvent and wait 10 minutes. Acetone is a household chemical with a reputation for removing things. – Ed Beal Feb 7 '18 at 14:37. if you still have the can of the foam, make a test chunk of the foam. Spray gun users are often on the lookout for easier ways to remove polyurea and dissolve cured spray foam from their equipment and many have tried all kinds of methods but obtained less than satisfactory results. We used nail stripper tools that roofers use and the job took months. If the foam insulation is not removed after a couple of attempts, an abrasive sponge can be used. krisdorey Forumite. If the spray foam insulation hasn’t dried yet, you’re in luck. 3. Dow website claims that nothing will remove the cured polyurethane(?) You can remove uncured spray foam from your skin without too much trouble, but once it cures, you can’t get it off with solvents or other chemicals. It's very easy to use and very good at its job, but as the foam expands it tends to leak and can create lumps or marks on walls. In fact, attempting to clean uncured expanding foam residue with a non-solvent solution may actually cure it rather than clean it. The easiest solution is to sit still letting the foam completely dry then pull it off your skin. Pour the soapy water over the aluminum and scrub the surface using a non-abrasive sponge until the foam insulation is removed. Many thanks. You can remove uncured spray foam from your skin without too much trouble, but once it cures, you can't get it off with solvents or other chemicals. ... then try everything that you have in your garage, like paint thinners, etc. Once it cures, you'll have to scrape or sand off unwanted foam. The rods were then sand blasted with micro beads. For stubborn spots, you can use a reciprocating saw. Spray the foam about halfway from the outside edge of the frame and let expansion take care of the rest. Brake cleaner can dissolve paint, varnish lane even dissolve some plastic. First, check whether the foam has cured (dried). Unfortunately, these products don't have any effect on cured foam. Leave PU Remover for at least 30 minutes and maximum 2 hours. If the foam has dried, you will have to use the aforementioned method to get it off. I wanted to spray foam the old pipes going into my house to keep out the elements and occasional critter, BUT I got foam happy and ended up spraying a pipe that drains from the over flow pan of the hot water heater. The longer it is given to dry and cure, the more difficult it will be to save the fabric. Apply PU Remover by means of the enclosed brush onto the cured PU foam. of Great Stuff, but this did! Use hot water to wash any residue left behind to ensure complete removal. 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