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How To Paint A Garage Door: 12 Easy Steps

Garage Storage 101: Everything You Need To Know • May 15, 2020

How To Paint A Garage Door: 12 Easy Steps

Written by: Elizabeth

Follow these easy steps on how to paint a garage door and transform yours today. We'll show you how to do things the smart way!

Are you considering painting your garage door? It may seem complicated, however, listed below are 12 easy steps on painting new garage door. The steps also include painting a metal garage door and a wooden garage door.

 

 

Step 1: Choose Your Paint

 

Best 3 Garage Door Paints

 

The paint you choose will depend largely on the garage door material, which is generally metal or wood. Whichever material your garage door is made of, you will need to use an exterior paint. To make the job a lot easier, you can choose a paint that has a primer included. That way, you can skip applying a coat of primer prior to painting.

 

 

Another common question is how much paint will you need? As a base estimation, you will need one liter of paint for every 16m2. There are also other factors to consider when calculating how much paint you’ll need:

 

  • The color – If you’re covering up the same color, you’ll need less paint.
  • The door material – Wooden doors typically require more paint than metal doors.
  • The paint you’re using – Check the can of paint to see if the coverage is right.
  • Tools used – The amount of paint that you use will depend on the tool that you intend to apply it with. Typically, you’d need a paintbrush on hand and a roller (with a rolling pan) as you’ll be using both of these tools throughout the project.

 

 

Step 2: Choose Your Tools

 

Best 3 Garage Door Tools

 

Brushes are great for doors with many nooks and crannies to ensure the paint covers the entire door (especially when painting roller doors). They’re also okay for large, flat surfaces but are more time-consuming. It can also be difficult to get a smooth, professional finish across the whole surface.

 

 

Rollers are ideal for painting garage doors with large, flat surfaces, such as a panel or sectional models. They can cover a large section in a small amount of time while providing a smooth finish. They will, however, need to be used in conjunction with brushes to ensure cracks and edges are covered in the paint job.

 

 

Step 3: Power Wash

 

 

Best 3 Garage Door Wash Products

 

Before commencing the paint job, it’s important to power wash your garage door. The first step is to lightly scour the door’s surface with coarse sandpaper or a wire brush. The one that you will go with will depend on the material the door is made from. Sanding is better for wooden doors, while metal doors will require a wire brush.

 

 

Once the door has been scoured, rinse it down with water and diluted detergent. This will remove any remaining dust, grease, or dirt that could create any bumps in the finished paint job which could potentially cause the paint to chip. When the surface is completely dry, you’re almost ready to start painting.

 

 

Step 4: Painter’s Tape

 

Best 3 Painter’s Tape

 

It’s important to protect all the bits that you don’t want to be painted. By using painter’s tape, you can cover any framing and hardware such as the locks that will not be painted. You will also need to cover the surrounding ground with a drop clothCheck Latest Price to ensure your driveway doesn’t get any paint on it.

 

 

Step 5: Paint Each Square with a Brush

Paint the pine board

 

Begin by painting the areas of the door that will not be visible once the door is closed. You need to completely dry it or the paint will stick to the surrounding framework. Once dried, close the door and paint the remainder of the door, working from top to bottom.

 

 

Depending on the door, the paint used and the color, it may require a second layer of paint. Paint the second coat at right angles to the first. For example, if the first coat was painted using horizontal stripes, paint the second with vertical stripes. For sectional doors, you’ll need to work the paint into the cracks in between the panels.

 

 

Step 6: Paint the Inside

When your garage door is open, you may see a strip with the original color. It’s not necessary to paint it. But it does ensure that when you close your garage door, the color will fully cover it. This step should only take a few minutes. You will just need to allow a few extra minutes for the paint to dry.

 

 

Step 7: Priming for a Metal Garage Door

If your garage door has not been previously primed, you will need to apply one coat of metal primer to the entire metal door and frame. You will need to use the metal primer according to the manufacturer’s instructions, which should be located somewhere on the tin. You will need to allow the primer to dry before you continue (this can take up to eight hours). If the door has been primed or it has been previously painted, you can skip this step.

 

 

Step 8: Best Paint for a Metal Garage Door

A tired and worn-looking metal garage door can bring down the whole exterior appearance of your home. Painting it could add that extra finish your house needs to make it crisp and clean looking. Some garage doors come already primed when new. So if you are painting a new door, it will be a matter of applying a metal or garage door paint on top of the primer coat with however many coats are recommended on the paint tin.

 

 

Step 8.1: Clean the Metal Doors and Metal Frame

First, you will need to give the metal doors a really good scrub with soapy water and a clean cloth. Remove all stains from the doors as they may alter the color of the finished paint. After scrubbing the entire surface, wipe it with a clean cloth to remove any residue that may remain from cleaning. Then, degrease the door with sugar soap and allow it to dry.

 

 

Step 8.2: Preparation

If you are painting over a previously painted garage door, then a light sanding is required along with the same degreasing process. It’s important that any flaking paint is well rubbed down and if you get back to just bare metal, then the metal must be primed.

 

 

Step 8.3: Painting the Doors and Frame

Contractor's hand with brush that painting metal construction.

 

It’s not a good idea to put a top coat straight on top of a previous old top coat, so please use an undercoat first. Remember, the more effort that you put into the preparation, the better the finish will be. It’s important to also ensure that the paint used is suitable for metal garage doors. Open the paint tin and stir with a suitable spatula for about a minute to even out the color. Metal garage doors can be painted by brush or by roller. However, if you’re using a roller, try and use one with natural fibers rather than manmade.

 

 

You can re-apply several coats of paint until the metal is completely colored, with no metal shining through. Please allow each coat of paint to dry before you apply the next coat. You should also use good quality metal gloss paint and allow enough time for complete drying between each coat. Remember that several thin coats are better than just one thick one. Thin coats take less time to dry, it also produces a harder finish and it will look better as well. For a nice finish after rolling, run over the paint with a good quality dry brush – This will soften any roller marks and will give you a smoother shiny finish.

 

 

Best 3 Undercoat Paints

 

 

 

Step 9: Preparing Your Wooden Garage Door for Painting

 

Wood Garage Door

 

It’s important to follow proper preparation methods before painting your wooden garage door as this may impact the overall quality of your paint job. You can follow the below steps to prepare your garage door:

 

 

  • Use a brush or outdoor broom to brush over the entire garage door and frame to remove any cobwebs, moss, or flaking paint. Apply a little pressure to make sure that you remove as much debris as possible, paying attention to any gaps or joints.

 

  • Next, get a bucket with some warm water and mix in some sugar soap and wash the door and frame making sure that you get into all of the nooks and crannies. The sugar soap will help remove any grease and grime build-up. You can leave it to dry out thoroughly.

 

  • You can now either sand down all of the loose paint and leave the areas that are still intact or strip all of the paint off completely.

 

 

If your garage door has windows in them, it’s a good idea to take them out and sand around the inside of each opening. Normally, you will be able to remove either the inside or outside beading and pop the glass out and remove the rest of the bead.

 

 

As we are dealing with timber, there is going to be a good chance that there may be some cracks, splits, or rot. Firstly, you will need to remove any rotten areas using a scraper to dig it all out (if it’s really bad in places or is spread over a large area, then you may need to consider more drastic repairs or even new doors or framework). With all the rot gone, you can use an external caulk or decent wood filler to fill all holes and then any cracks that may be present. Allow it to cure based on the manufacturer’s recommended times, and then sand all the areas flat if needed.

 

 

Once sanded, stripped and repaired, you can give all areas a good brush over to remove any dust and then a wipe over with a damp cloth using the sugar soap solution. Now allow it to dry completely.

 

 

Step 10: Priming for a Wooden Garage Door

Finishing works - applying a primer or varnish on a wooden surface

 

 

With any repairs already done and all the preparation work completed, the next job is to apply some primer to the garage door and to the frame. The type of primer you use will depend on the type of top coat you’re using. It’s best to use the below-matched types:

 

 

  • A latex primer with latex top coat
  • An oil-based primer with an oil-based top coat
  • A microporous primer with a microporous top coat

 

 

Each different type of paint acts in a different way. And if they are mixed, they may actually fight against each other. Before you start, you will need to lay some dust sheets down around the area that you will be painting to catch any spillages. You can also slide some newspaper underneath the garage door so that the area beneath them is also protected. You can mask up any areas that you don’t want to get paint on such as handles, hinges, locks, or latches.

 

 

With the lid on, give the primer a good shake and then pop the lid off and give it a good stir with a stirrer or a wooden spoon. Have a selection of brushes on hand including a ½ inch, 1 inch, and 2 inch – the smaller brushes are for the detailed areas and the larger brushes are for the paneled areas. With the priming now completed, you can leave it to dry based on the manufacturer’s recommended time. When dry, check the surface over to make sure there are no sunken areas or hard edges. If you do find any and want to get the best finish you can have, you can fill these in with external caulk or a general-purpose filler.

 

Best 3 Paint Primers

 

 

 

Step 11: Best Paint for a Wooden Garage Door

The best type of paint to use on a wooden garage door is microporous or moisture permeable. This paint type will allow the timber to breathe, allowing moisture in the timber to escape but at the same time prevent any moisture from getting in. Most microporous paints also feature a UV filter that helps to prevent further damage from sunlight. These paints generally tend to be quite high-end and because of this, they can be quite expensive. But over time, they can prove to be more cost-effective.

 

 

Step 12: Top Coat Paint for a Wooden Garage Door

The luxurious automatic doors of the garage

 

Starting with the frame, paint the top coat on, starting at the top left-hand side. Paint down the frame to the floor and then across the top and down the other side. Repeat this on the inside also. Next, apply the top coat around all edges of each door. You may need to stab the brush at the edges to make sure that you get a good covering where the grain of the timber is exposed. Finally, you can apply your top coat to all the large panels on the front of the doors, working from left to right and starting at the top of each panel and working down. When you’ve completed the outside, move onto the inside using the same techniques.

 

 

Once you’ve allowed enough time for the top coat to dry thoroughly, you should now have a very attractive looking garage. Congratulations!

 

 

Best 3 Top Coat Paints

 

 

 

Painting a garage door can be a fun weekend project, plus it will help spruce up your home. Hopefully, these easy steps will help you transform your garage door and help add value to your home.

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