Step 9: Cut stock molding - walls over 10-feet long
If the length of the wall is over 10 feet, you will need to splice together two or more lengths of molding together. You cut two ends of the molding together with an angled cut called a scarf. To make a scarf, set the miter angle to 45 degrees. Hold the molding flat against the fence and make a 45-degree angle cut on each end of the two lengths of molding. Scarfs used to join lengths of molding are held together and nailed on both sides of the scarf to form a tight joint. After sanding and painting, the joint is generally invisible.
The two adjoining ends are cut at 45-degree angles to form a scarf.
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