I have several 24" square black rubber floor mats with raised bumps on the
I need to cut some of them to size as accurately and cleanly as possible.
I was advised to use a metal straight edge and a utility knife. The utility
knife does not seem to cut sharply and deeply enough to make a clean
Any suggestions would be appreciated.
How thick are they? How many do you have to do?
Best would be a bandsaw with a knife edge blade, but you need the saw and
have to buy a blade. I'd consider scoring (on the smooth back) with the
utility knife and following up with an electric kitchen knife.
The best way to cut thick rubber is to double it. When you cut, the kerf
opens up instead of closing in on the blade. Mark the rubber with a good
visible line on both sides. Use a utility knife with a straight edge clamped
in place. Cut half way thru, reverse and then cut from the other side.
Lubricate the blade with soapy water-
I'm with Ed on the bandsaw- if you've got one it would be worth buying
the blade. You'll find other uses for it once you have it--- tires
make great sandals.<g>
Reciprocating saw with general purpose blade. Cuts thru 4'x6'x 3/4"
stall mats like butter, so you shouldn't have any trouble cutting
through your material. Just make sure you have a good line to follow
and a good steady hand.
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