How To Cut Foam Board 9 Steps With Pictures

It’s best to use these simple blades with soft or thin foam. If the blade begins to catch on the foam, just rub the candle on the blade again.

You may need to press against the foam to pop the cut piece out.

Dental floss works best for straight cuts. If you want to cut through multiple sheets of foam, slice them separately to get clean cuts.

Ensure that the part of foam you’ll be cutting extends away from the clamps or vise so you have room to cut it.

If you’re cutting a very soft foam, avoid pushing down while you cut with the electric knife. This can make it difficult to cut or can move the blade away from where you want to cut.

You’ll be able to select the thickness of the blade when you buy a hot wire cutter. This will determine the size of foam that you’re able to cut through.