Before you cut foam always make sure your work surface is flat stable and won t be damaged by cutting through the foam with the knife.
Best way to cut rubber sheets.
Follow these four steps on how to cut rubber for a nice clean cut.
Then cut that out to make a pattern then transfer that pattern by using a sencil brush and a bit of gray latex paint this works really well.
Four of the more commonly used neoprene cutting techniques by neoprene suppliers are die cutting laser cutting hydro jet cutting and hand cutting.
And for a really large foam rubber piece a band saw or foam cutting saw is your ideal choice.
Now place your straight edge on the cutting mark firmly and use your sharp utility knife to score the line.
If you re trying to cut stall mats or exercise mats that s the way to go.
Number one is to lay out your part on stiff paper like butcher paper or a manila folder.
Continue cutting along the same line until you make it all the way through the mat.
Then using the straight edge mark the line where you will cut with your chalk.
Each of these methods has its own advantages and disadvantages.
Lay the mat flat on the ground.
If you cut thin foam rubber which has a thickness of around 1 inch or less you can make use of a utility knife.
If you choose to use a carving knife use a gentle back and forth sawing motion and let the blade work through the sheet.
Like every 12 inches.
Do not compress the foam and try to make quick cuts through the condensed foam.
For thicker pieces of foam rubber which is more than 3 or 4 inches in thickness go for electric carving knife.
I used a straight two by four as a guide made the first cut as kind of a guide then just kept cutting getting a little.