There s a chance that the utility knife could scar the flooring beneath the mats once it clears the thick rubber.
Cutting thick rubber mats.
Then using the straight edge mark the line where you will cut with your chalk.
For this reason it s a good idea to set up your materials in an area where minor damage won t be noticeable like a basement or garage floor.
Now place the cut out mat on the truck bed to make any final adjustments.
Select an appropriate surface to do your cutting.
Follow these four steps on how to cut rubber for a nice clean cut.
Cut out the additional details place the mat on the bed and you are good to go.
Trace the template of the heavy paper on the truck bed mat using a market.
Do this several times until the line is visible and straight.