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Blog | How to Paint a Garage Door

If the look of your steel garage door has become dull and old, you may be considering ways to give it new life and a polished look instead of replacing it altogether. You can achieve this quite easily and cheaply with a simple coat of paint.

Step 1  Cleaning the Door

The garage door needs to be totally clean before you begin preparing to paint. In order to produce an excellent surface for the paint, the steel will have to be free of dirt and dust or else it will interfere with adhesion.

Remove any loose particles with the firm-bristled brush, and use the warm soapy water to clean the overhead door and scrub off any loose parts that chip away from the surface. Steel doesnâ€â„¢t oxidize, but the factory finish can deteriorate.

Step 2  Preparing the Door

It is always a good idea to not paint outside objects in extremely wet, cold, or hot conditions. Metals and alloys still expand in the hot air and retain heat, so the paint will not dry to the highest standard that you would expect. Therefore, when planning this project, try to aim for a string of mild, clear days to achieve the best results.

To avoid having to hunch over as you work, start painting your garage door from the bottom up, beginning with the door halfway open so you only have to lower it to the ground to move upward. Obviously, once you canâ€â„¢t lower the door anymore, you will have to use a ladder to cover the rest. Youâ€â„¢ll also want to lay drop cloths on the ground below the edge of the door to prevent any wayward drips from falling onto your concrete.

Step 3 Painting the Door

Once the door is dry, you can paint the topcoat on your garage door. A latex exterior paint is a good choice for going over a steel overhead door, but a 100 percent acrylic exterior paint can also be suitable.

Use a large roller to cut down overall painting time. You can use a brush but  the paint will not be applied as smoothly.

Step 4  Applying the Second Coat

The first coat needs to be completely dry before you apply a second. You may find that some parts of the door look a little patchy or blotchy but a solid application of the second coat should cure that and even out the coverage for a uniform appearance.

This process is a great fall Saturday morning DYI that will give your home a great look going into the fall and spring.

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