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How to Cut the Tops of a Truck Bed Liner

Bed liners come in plastic, rubber, and painted-on varieties but all serve the same purpose: they protect your truck or vehicle from damage. Liners act as a cushion when loading and unloading objects, and protect the trucks bed from rain, dirt and debris. At times, damage requires that the liner be replaced or cut. At other times, custom additions to your bed require custom modification of the bed liner. Cutting a liner requires very few tools and takes only minutes.

Instructions

1

Measure the area to be cut. If you will be cutting the lip off of the liner, measurements are not needed. If you will be cutting holes into the liner, measure the location of each hole in reference to the front of the liner including width and depth. With the liner still installed, you can readily trace the measurements from the truck to the liner without measuring, but be precise when doing so.

2

Lift the liner from the vehicle. Most liners lift straight out of the vehicle or slide out of the vehicle. If yours is secured to the body, unbolt any retaining bolts before lifting or sliding out the liner.

3

Stabilize the area to be cut using clamps and wood blocks as needed. Make sure nothing is in the path of the cutting tools.

4

Mark the area to be cut. Use masking tape to cover the line that you will cut, to protect the surface of the liner from damage. Use a pencil to outline your cut on top of the tape.

5

Cut out the section of the liner using an oscillating tool. Hold the oscillating tool carefully and trace the line on the tape until the cut is complete.

6

Remove the tape and lightly sand the cut edge. Cut plastic is sharp. Sand the area with 80- to 100-grit sandpaper to remove burrs and smooth out the cut. Replace the bed liner.