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from The Family Handyman

17 Ways to Master Expanding Foam Insulation

Cut Cured Foam With a Bread Knife - A serrated knife with a flexible blade is perfect for cutting off excess foam. Just make sure the foam is completely cured and firm all the way through or it'll stick to the blade.

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Homemade Cars track for my son - he wanted a spiral track around a mountain with a tunnel at the top. A little cardboard, expanding foam, paper mache, paint, and... Voila!

Homemade Cars track for my son - he wanted a spiral track around a mountain with a tunnel at the top. A little cardboard, expanding foam, paper mache, paint, and... Voila!

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from Make: DIY Projects and Ideas for Makers

How-To: Cast cheap foam skulls

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