Step 2: Prep the tubing

Picture of Prep the tubing
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Most pipe insulator has one side pre-cut almost all the way through. Use your hands to completely split the pipe open.

Next, use a pair of scissors to carefully cut the tube in half. After cutting a few inches, you can simply hold the scissors open and slowly pull the tube through the open blade. I find that this technique is faster and cuts straighter than making repeated cuts.

You'll need about 4 half-tubes per student.