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Nov 1, 2004 · To harden it use corn strach with hot water then MIX!! it alot then just use your hands to put it on let it sit and there it is! 1 2.
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Dec 5, 2011 · You can use a product called styrospray 1000 and either spray or brush over about any foam and it hardens a plastic shell over foam. And ...
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Apr 25, 2011 · I usually cut out a shape of craft foam – coat it 3 times with Mod podge, then cut out some cotton gauze fabric, lay it on the back and seal it ...
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Posted: Jul 21, 2018
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Does anyone know of a cost effective way to harden foamboard? I like it because it's rather cheap to purchase and easy to carve, but once it breaks, ...
Styrofoam is not strong enough for long-term use. A sprayable polyurea, urethane, or hybrid coating are the best options for protection.
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