Curves are harder, and can be messy if you use a saw to cut them.

How to cut foam board curves. This is a tip s. Then, as near as possible, pass the utility knife. Prepare your tool to cut the foam into the right size and shape following the measurement.

For best results, follow these steps for cutting curves and cutouts in thick foam board: You can cut curves or straight lines,. Doing this will allow more of the blade to come into contact with the board and will give you.

There is a several pound weight attached to the. This is the best way to cut foam board insulation with a utility knife. Figured i'd do a quick vid to show my technique.url to the 3d plans for the knife handle i am using ht.

Cutting curves can be challenging because the foam is more likely to. Your goal for the first pass is to lightly score the upper layer of. Straight cuts in rigid foam insulation board are easy with a razor knife.

First, use your utility knife to score the insulated foam. Use a utility knife and straightedge to cut through thin board in several passes. Hot wire foam cutters are the fastest, cleanest and easiest tools to use to cut rigid polystyrene foams, like styrofoam, white beaded eps, and xps foams (blue and pink.

With a small, sharp craft knife,. To cut curves, hold the knife perpendicular to the foam and use a short sawing motion. A few comments on my clean curve cuts in my builds.