How to Refinish Wood Garage Doors

Quick answer. The primary procedures to be followed if you wish to repaint your garage door are as follows:

  • Sand the surface after cleaning it. Use a high-quality wood-cleaning product to wash your garage door.
  • Prepare the space by cleaning it. Before beginning to stain the door, make sure it is totally dry.
  • Put the stain on.
  • Put varnish on.


Wood garage doors are beloved for a variety of factors. Particularly, wood is both aesthetically pleasing and a superior insulator. However, these doors need a little more maintenance, such periodic refinishing. As a result, you will either need to re-stain or re-paint them.

Why is it necessary to refinish wood garage doors?

Your garage door will benefit from being protected with paints, stains, and other wood treatments from the following:

  • Insect damage. By creating holes and tunnels in the panels, insects like termites and boring beetles can compromise the integrity of your garage door.
  • Wood decay. Wood rot, which occurs when fungus and moisture combine, makes the wood softer and makes it decay.
  • Weather-related harm The completed surface of your door may accumulate dirt, sand, and other debris from the wind, eroding away the protecting layers.
  • General deterioration Cracking and peeling can leave your garage vulnerable to bug infestations, rotted wood, and dampness.
  • Fading. Your garage’s color will fade with exposure to the sun, and the top coat will become thinner. On garages that face south or west, fading happens more quickly.


Wood garage doors should typically be refinished every few years, or sooner if you notice any of the problems mentioned above. For instance, it may be time to paint if you see that the wood is beginning to peel away in multiple places.

In fact, you ought to check for deterioration every month. Refinishing is a preventative strategy and not a remedial one for problems like insect infestation and wood decay, it should be noted. A garage door repair will be required in such circumstances. If there is rot or insect damage to wood panels, our professionals can replace them.


It’s crucial to be aware that repainting your door may violate the guarantee provided by the garage door manufacturer. This can occur if you don’t adhere to the manufacturer’s instructions for painting and staining.

It’s also important to note that wood doors often only come with a one- or two-year manufacturer’s guarantee.


A wood garage door may be refinished with either stain or paint. Painting provides you more color possibilities and a higher saturation level, while staining is best for emphasizing the woodgrain. When it comes to shielding wood from the weather, both treatments work well.

However, homeowners who decide to refinish their garage door in the same manner as it was originally completed will have the easiest time getting the best results. With the proper preparation, it is feasible to paint over wood stain or stain a wood door that has already been painted, although this can be more challenging.


The primary procedures to be followed if you wish to repaint your garage door are as follows:

  • Sand the surface after cleaning it. Use a high-quality wood-cleaning product to wash your garage door. Get rid of any moss or mildew as well as dust, grime, and debris. The door should be sanded after it has been cleaned and dried. This will level the surface and make it easier for the stain to stick.
  • Prepare the space by cleaning it. Before beginning to stain the door, make sure it is totally dry. Generally speaking, you should wait at least 24 hours after cleaning it. Painter’s tape and drop sheets should also be used to protect the nearby surfaces.
  • Put the stain on. Pick a superior exterior stain to provide your garage door complete protection. Avoid choosing a dark stain for optimal results since it will make the door absorb too much heat. Typically, the best option is a wood stain with oil base that penetrates deeply. Follow the manufacturer’s instructions before applying it.
  • Put varnish on. While stain seeps into the wood, varnish creates a layer of protection on the surface. Apply a high-quality wood varnish, such as Alkyd, once the stain has cured, being sure to adhere to the manufacturer’s instructions. Usually, varnish is applied in three layers.

If your garage is built of a wood with a high tannin content, like cedar or redwood, you could want to apply a brightener first. Cleaning these kinds of woods might cause tannins to accumulate on the door’s surface and discolor the wood. To reverse this effect, apply a brightener.


The initial steps for repainting your door are the same as those outlined above for re-staining: carefully clean and sand the surface and prepare the area to avoid paint splatters. After that, paint with two coats of acrylic latex, allowing at least a day between each application.


How do you prepare a wooden garage door for painting?
Sand any stray paint and scrape it. Any grayish-looking bare wood on wood doors needs to be sanded away in order for the paint to adhere. Wood doors might have holes or cracks that need to be filled. To reestablish a level surface, use a putty knife to fill in these spaces with caulk.

Do you have to sand a garage door before painting?
Fortunately, it’s a garage door, so there’s no need to sand the surface to an exacting standard. Instead, you only need to make sure that you remove all of the ugly grit and filth, otherwise your paint job will seem subpar.

How do you sand and paint a wooden garage door?

  • Use a scraper to remove flaky, peeling paint.
  • Use an electric sander and medium-grit sandpaper to sand the patched areas.
  • Apply a degreasing cleaner in a spray on the door.
  • Spread drop cloths out on the floor.
  • Primer should be put in a paint sprayer.
  • Clear the sprayer and hose of the priming.

Do I need to prime my garage door before painting?
Although it is not necessary, priming will improve the adhesion of the paint. This prolongs the period during which the job looks better. If you decide against priming the garage door, think about choosing paint that has a primer built right in.

What paint finish is best for garage doors?
The finest paint finishes for a garage door in the long term are high-gloss or semi-gloss paints since they cure to a durable surface and don’t scratch easily.

Is painting a garage door a good idea?
Your home’s exterior may appear completely new at a reasonably modest cost and with very little work by just painting your old garage door. Additionally, painting is the ideal technique to hide corroded, chipped doors that are destroying the exterior appeal of your house.

What kind of paint do you use on a wooden garage door?
On a garage door, a latex-based paint will produce the finest results. Avoid using oil-based paints since they will highlight any imperfections in the garage door’s surface. Before you start painting, make sure to tape off any windows if there are any.

What is the best color for garage door?
In general, white is a favored color for doors. Your garage door may stand out in striking contrast to the rest of the garage as a result. It is a stylish option that may greatly increase the curb appeal and value of your home.

Can you paint garage doors black?
No matter how attractive it may seem, painting the doors black in a warm area is a horrible choice. Remember that black absorbs heat, causing the garage to become much warmer. Additionally, it will age more swiftly and fade earlier than other hues.

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