DIY Network

How to Cut Molding Corners

Host David Thiel demonstrates how to use a router coping jig for cutting molding corners.

More in Home Improvement

use router coping jig for cutting molding corner
  • Time

    Under Half Day

  • Price Range

    $100 - $250

  • Difficulty

    Moderate to Hard

Highlights:

Step 1: Prepare the Molding

A jig helps a do-it-yourselfer get the same look as the professionals with ease.
Cut a small piece of molding and place it into the tray that comes with the jig.

Place a block next to the molding. The block will create clearance space for the router. This will be important in a later step.

Rub wax along the surfaces of the molding and the block. This will allow for easy removal of the pieces later on.

Step 2: Create a Molding Template

Mix equal amounts of the A and B solutions that come with the jig into a cup and pour the mixture into the tray. Allow to sit for 3 minutes.

Remove the hardened mixture from the tray. Pull the piece of molding and the spacer block off of it. Now you have a template of your molding to use in the jig (Image 1).

File any excess material off of the template (Image 2).

Step 3: Place the Molding into the Jig

Screw the template into the jig through the two holes in the template.

Place the piece of molding to cope into the jig. Overlap the template only slightly; it’s not necessary to remove a lot of material (Image 1).

Lock the molding down into the jig. Use a special bearing-guided tip in the router to run along the edge of the template (Image 2).

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