how to extreme

Do-It-Yourself Wainscoting

Construction How-To, Finish Carpentry, Molding, Trim Carpentry December 1, 2014 Sonia


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Customized single-pieced wainscoting makes installation easy.

By Matt Weber

Decorative raised-panel wainscoting gives a room an elegant, more formal appearance that is popular in dining rooms, foyers and hallways. Assembling the panels from scratch, however, requires careful measurement, shrewd carpentry skills, plus a lot of time and labor.

A great way for a DIY’er to cut the labor in half is to order customized wainscoting that is shipped to your home as large, single sections with the decorative pattern routed into the MDF panels. Rather than piecing together every rail and stile, the large panels can be installed directly to the wall so the job progresses as much as 8 linear feet at a time. The single panels are also less prone to paint cracking, because there are no rail or stile joints, which are prone to expansion and contraction.

DIY Wainscoting

Installing preassembled wainscoting panels saves time and labor for a DIY-friendly home improvement project.

For this project the EHT staff ordered customized panels from Wainscoting America. The company streamlines the selection process with an online tool at Wainscotingamerica.com. First step is to select your style, including raised, shaker, recessed or V-groove panel. Next, determine the height of your panels. (The rule of thumb is that the wainscoting panels are usually 1/3 the height of the wall.) Determine your Top Rail Wainscoting Height, and then determine your Bottom Rail Wainscoting Height. These measurements are ultimately your decision, but the company offers some standard default measurements if you don’t want to get creative. Next, determine your Left, Middle and Right Stile Widths.

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You’ll need to take careful measurements of each wall, and enter all this information into the fill-in-the-blank interface on the website. The instructions will guide you through every step of the process, accounting for overlapping panels at the corners and offering a selection of cap rails and base molding. Once you punch in the coordinates, the website will produce a visual representation of your panel design. Make adjustments until you’re happy with the look. It’s a very user-friendly method for designing your wainscoting.

The panels ship in five business days, and they arrived on our site in flat cardboard boxes. Two of the walls in our project were longer than 10 feet, so the wainscoting for those runs came as two separate pieces that join with an overlapping rabbet joint. The shorter runs required only one panel each.

Here’s how we completed the installation.

Step-by-Step

Our project house had existing base and shoe molding that had to be removed. I scored the top caulk line with a utility knife and used a paint scraper to open a gap at the top of the base just wide enough to slip in a flat bar. When prying with the flat bar, push the tip down far enough to pry against the floor plate (not against hollow drywall, or you may punch a hole through it).

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I used a laser level to lay out the wainscoting. Snapping a chalk line as a guide will also work. This line represents the top of your wainscoting panels. Take several measurements in different places between the layout line and the floor. Floors are not always level, and these measurements will determine if you need to shim beneath the panels to keep them supported while you fasten them to the wall.

When I dry-fitted the panels I discovered that an out-of-plumb wall in one corner was slightly too tight for the panel. This was not an error by the panel’s manufacturer, but a problem with the wall framing. To solve this issue, I used a rip gauge and circ saw to trim the panel.

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Take careful measurements when mapping out outlet box locations on the rear of the panels. If you cut the box in the wrong spot, it will be very difficult to disguise.