How To Cut Foam Board Smoothly

September 23, 2021 Post a Comment

Use scissors to cut through soft foam. Remove the straightedge and clamps hold the board upright then apply pressure along the back side behind the cut line.

How To Cut Foam Board 9 Steps With Pictures Wikihow

If you choose to use a carving knife use a gentle back-and-forth sawing motion and let the blade work through the sheet.

How to cut foam board smoothly. Using a metal ruler cover the foam board part you want to keep and cut into the part you are going to discard. Blogs Foam Techniques Videos. As before the best way to cut foam board involves cutting at as much of an angle as possible and you should also avoid sawing at the foam board.

Evil Teds Tools of the Trade Video. I lay the board flat and use a ruler the exacto to score the board just a shallow cut then I stand the board on end place the exacto blade in the scored groove at the top of the board and cut downward and I almost always get a perfectly smooth edge. Using the single-pass method ensures the cleanest edges as.

You should also use an extra-long blade for this. Sharpen the putty knife to give it a pointed edge then use it in place of your utility knife as you cut through the foam. Step 2 Measure and mark your cutting line on the foam with a permanent marking pen or by pressing an indentation into the foam with a ball-point pen.

Position the thick foam board upright and apply pressure along the back behind the cut line to snap the board. Make sure you choose a smooth blade though not serrated to avoid those ragged edges. This foam cutting saw has a base that rides on tiny wheels to prevent friction and the large area of the base keeps the blade straight up and down.

This will allow the blade of your cutting knife to slide easily into and through the Styrofoam. When you need to cut thin and pliable foam board a tool such as a sharp utility knife or Exacto knife will be the easiest to use. If the board is too thick to snap easily cut it with a hacksaw or foam saw instead.

Step 4 Cut into the foam board with a utility knife breaking through the top surface of paper. The board should snap on the line. When I used to try to cut through the board with it sitting flat I always got an uneven.

If youre cutting one of these foam types in a sheet 12 or less you should use the single-pass-through method where you make one constant knife stroke that fully passes through the material youre cutting. Use a putty knife to cut the foam. Shop Smoothing Foam Edges.

Even an ordinary carpenters cross-cut saw can be used to cut thick panels of rigid foam. Do not use too much pressure. Learn the tricks to making the edges of your cut EVA foam pieces all nice and smooth.

Hercules makes a nice-looking one for about 389. Rub an old wax candle along the blade of a serrated knife craft knife or electric carving knife. To cut thin or flexible foam get out a pair of heavy-duty scissors.

Even the average carpenters cross-cut saw may be used to cut thick pieces of rigid foam board. Cutting Thick Foam Boards. Mark out your outline or design on the foam board and make the needed cuts.

Before you cut foam always make sure your work surface is flat stable and wont be damaged by cutting through the foam with the knife. Doing so will make sure that the knife can reach all the way through at the angle you are cutting. If the board is too thick to snap easily after scoring you can use a foam saw or a hack saw instead.

Do not compress the foam and try to make quick cuts through the condensed foam. Theyre also fairly expensive ranging from about 160 to over 500 for commercial grade tools. If you dont have a utility knife a putty knife can work as an alternative.

Meanwhile youll want to apply some weight to the foam board to keep it from sliding turn foam board insulation flat side up and cut in one smooth motion at about a 45-degree angle. Make sure youre careful not to cut yourself and protect the surface below the foam board from the sharp blade. You can cut curves or straight lines but you may want to lightly draw your design on the foam with a permanent marker before you begin cutting.

Make long smooth cuts so you dont get choppy edges in the foam. Heres a similar one in action.

How To Cut Foam Board 9 Steps With Pictures Wikihow