After it has dried you can remove the plaster and it will stay water proof giving a 'scab' over the cut. 2. Use whatever tools are nessecary to remove the excess foam, it can be cut, ground down, sanded filed, scraped, and the remaining residue can be removed with a wire brush. Scrape With Rough Brushes A non-cured material will usually wear off in time, depending upon your wall surface. I still have the shirt but the dried foam is still on the sleeve. How to Remove Spray Foam Insulation from Skin and Hands. How do you remove cured expanding foam other than cutting it off? Remove expanding foam immediately from areas you do not want it. Then put a plaster over it. Don’t touch the foam before it goes hard then you might be lucky and be able to scrape it off when dry. In its wet form, the foam is difficult to clear up, and once cured will prove difficult to remove from fabrics or furniture without staining or damage. Check whether the foam insulation has cured or dried. If the spray foam insulation hasn’t dried yet, you’re in luck. You can also try an adhesive remover, but if its on clothing or plastic fibers, that will ruin the clothing, etc. Acetone is a household chemical with a reputation for removing things. 5.0 out of 5 stars If you need to remove dried, expanding foam, this is what you need. Since polyurethane is a chemical, we need to use a solvent to dissolve it. My neighbor asked me to pump up her tire with my little compressor but didn’t tell me about the Fix-A-Flat. Deep breath. It was used up in the loft for a temporary repair to keep the water out until the flashing round the chimney stacks was repaired. Big sigh. If its on clothes, you are better off tossing the clothes, … Item Package Quantity: 1Size Name: 250ML Verified Purchase. When using expanding foam, disposable gloves and old clothes are a must! Only way is to scrape it away, and then remove the residue with soapy water. I had some of that stuff spray out on the sleeve of a nice sweatshirt a couple of years ago. Use small pieces of cardboard to scrape off excess foam, throwing them away immediately to avoid getting foam elsewhere as it expands. Reviewed in the United Kingdom on 20 October 2018. Solvent based cleaners are available to clean up any accidents, but it is worthwhile minimising the risks of spillage. A couple of days later and it should have healed the cut. However, either form of the insulating foam is fairly easy to remove from the skin. It is permanent. I purchased this almost two years ago, after a diy job with expanding foam left a mess. There is no way to remove ‘fresh’ or cured foam from clothing. So its now bonded to the wood and brick work. Smaller stains are easier to remove than large ones and dry foam is harder to remove than wet foam. The ease of removing expanded polyurethane spray foam depends on a few factors. Now let’s get that foam off. 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