How to Install Plinth Blocks with a Door Frame

Posted by Patterncut on 8/1/2014 to Plinth Blocks
Plinth blocks can be a wonderful visual element to virtually any room, adding a nice piece of art to a molding, baseboard or door frame. 

Plinth blocks originated as support bases, but have since evolved into more of a decorative add-on for many interior decors, adding a touch of style and class to a room. If you are in the process of upgrading your entire interior or just a single room and you are considering plinth blocks for your door frame, we have a few steps that can allow you to install the blocks yourself on an existing frame.
  • Get accurate measurements for the block's height and width. Measure up from the floor the height of the block and make a mark on the door frame at that point.
  • Measure across the frame and baseboard to match the width of the plinth block. Make a mark on the baseboard at this point.
  • Extend the two measuring lines all the way across, and use a coping saw to cut off the molding and door frame at these measurement points. Pry the pieces off, scrape away any debris or chips and pull out any nails. Smooth the remaining edges with 100-grit sandpaper and apply a matching stain if necessary.
  • Slide the plinth block onto the doorjamb. It should fit tightly under the door frame and along the molding on the side.
  • Drill four holes with a 3/32-inch drill bit, with two holes 3/4-inch diagonally from the bottom corners and 3/4 inch diagonally down from the profiled top of the block.
  • Use 2-inch finish nails in each hole, hammering until the nails are at least 1/6 inch into the wood - stop hammering before the nails are flush. Fill the nail holes with wood putty.

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