Learn how to do anything: How to Install a Chair Rail

Thursday, October 22, 2015

How to Install a Chair Rail

Installing a chair rail is a project that you can do yourself with a few simple tools. The original purpose of a chair rail was to guard the wall against damage the backs of errant chairs, but a chair rail can also lend definition and elegance to a space.

Steps

Select appropriate molding to be your chair rail. It can be narrow or wide, depending upon the style you wish to add to the room, but it should be appropriate to go in the middle of the wall; it should lie relatively flat against the wall as well.
Determine the height of your chair rail. You can place a chalk line or strip of masking tape on the wall to help visualize the height while you decide. It will probably be somewhere between 30 and 36 inches (75-90cm) high, though some go higher for dramatic effect. Here are other factors to consider.
- One way to decide the height of your chair rail.
  The height of your chairs. Whether or not you are installing the chair rail to prevent damage to the wall, compare its height to your furnishings. It will help achieve a unified look.
- Windows in the room. Will you break the chair rail for windows, or position the chair rail below the windows?
- The height of any paneling that will go above or below the chair rail. If the chair rail will mark the top edge of wainscoting, for instance, simply follow the top edge of that material.
Measure and cut any miters for the chair rail, especially if you are turning any corners that are not 90º. If you have such a corner, look for an angle measuring device at your hardware store. Measure the angle, divide by two, and cut the chair rail on each side of the corner to the half-angle measurement.
Measure the length of the chair rail carefully. Miter corners, especially interior corners first, then measure at the height where the chair rail goes. Walls are not always exactly plumb or square. If necessary, miter the corners at the opposite ends. Regardless of whether the ends are mitered for interior or exterior corners, or not mitered at all, the back of the chair rail should be as long as the segment of wall against which it will rest.
Paint or finish the molding. It is easier to finish the molding with it before it goes on the wall. Lay it on a drop cloth or newspapers or across a pair of sawhorses, and finish it to match other molding in your home.
Paint, paper, or panel the wall behind where the chair rail will go. Again, this is simpler before the rail is installed. A simple way to define a space or change the appearance of a room is to paint or paper a different color or design above and below the chair rail.
Locate the studs in the wall and mark them with a pencil or bits of masking tape.
Measure up from the floor and/or use a level to mark the chair rail height at each end of each piece.
Have an assistant help hold the chair rail at the marked height.
Drive finishing nails through the chair rail all the way into the studs. Take care not to hit the molding with the hammer, as it will mar.
Use a nail set to recess the nails slightly into the molding, so that the heads are inset.
Putty over the nails. If you like, caulk the joints where the ends of the chair rail segments meet.
Touch up the paint or finish anywhere you have added putty or caulk.

Tips

For a cleaner joint at the inside corners, cope the joint instead of mitering.
If you're painting or papering the wall behind the chair rail at this point, consider using different, coordinating colors or designs above and below the rail. It is an inexpensive way to add definition and effect.
Measure twice, cut once. If in doubt, cut a bit too long. It is easier to trim a little extra than to replace missing material.
Appropriate molding for chair rails may not always be sold as such. If you think molding of a particular shape would look good as a chair rail, use it, even if it is labeled for use as a baseboard or something else. But don't use crown molding, because the pre-cut angle is unsuitable for chair rail.

Warnings

Use saws safely.
Use paint and varnish with plenty of ventilation and according to all package instructions.
Make sure you know what you're doing. Hiring an expensive contractor can be a good idea if it means the difference between a small bill (for them) or a large bill from the hospital!
Stud finders can find other things in the wall, such as water pipes. Most construction places the studs at a standard, regular intervals. (Usually 16" to 24" apart) Measure and be careful.

Things You'll Need

Finishing nails
Suitable molding
Finishing nails at least long enough to go through both the molding and the drywall.
Hammer
Nail set
Putty
Caulk (optional)
Sandpaper
A miter box.
Miter saw or wood saw and miter box
Angle measuring device
Stud finder
Paint or finish
A level
A tape measure
An assistant

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