March 2, 2021

How to Spray Paint Exterior Walls

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Written by Jose

If you are going to paint exterior walls around the house or work, you should consider spray painting them so that you can take comfort in the fact that the dirty work is far behind you. You no longer have to worry about sanding or even pressure washing because all you need to do is focus on spraying the wall and then the payoff will be extremely rewarding when you see that smooth and professional paint spraying results afterward.

holding a paint sprayer (2)

Spray painting is an efficient way of painting large surfaces. It consumes much less time in comparison to using the ordinary roller or paintbrush. Remember, an attractive exterior of your home will automatically make an impact on its overall value. It not only increases curb appeal but also prolongs the life of your exterior home from exposure and weather damage. However, if you want to be able to achieve exceptional results, then there are few rules that you need to follow in order to maximize painting process.

Gather All Your Tools and Equipment

Just because you are spray painting your exterior walls does not mean that you do not have to prepare adequately for the task ahead since it requires general techniques to follow in paint spraying. It is important to ensure that you gather all tools and equipment for the process to go smoothly. As such, you will not have to spend too much time looking for what you need. The suggested tools and equipment for your exterior wall spray paint include the following:

man spray painting his house
  • Paint Sprayer
  • Spray Tips (a wider tip for larger surface and narrow are for            smaller surfaces)
  • Empty Buckets
  • Stir Sticks for mixing the paint
  • Strainer Bag
  • Masking Tape
  • Pressure-Roller Kit
  • Airless Hose
  • Spray Shield
  • Cleaning Rays
  • Safety Equipment including dust mask, goggles and a                      protective cover for your head
  • Prepare For the Painting Project

    If you have any furniture outside or items like grills near the exterior walls, always move them away. This will create sufficient work space. Also, cover surfaces such as shrubs or windows that you do not want to be sprayed. After that, tape any trim and make sure to remove all dirt, mold or mildew. Finally, use a pressure washer and strong solution to clean your exterior walls thoroughly. Remember, it is important that you do not rush into things because you need to ensure that the surface gets enough time to dry.

    Before embarking on the painting job, select the best spray tip for the surface that you intend to spray paint. The size of the tip should not exceed your sprayer’s maximum capacity. In case you want to combine paint from multiple containers, mix it well in large, empty gallon-containers. This will enable you to maintain good color consistency, especially if there exists color differences between individuals paint cans.

    Practice Using the Paint Sprayer

    If you have no experience when it comes to spray painting exterior walls, it is important first to practice using the paint sprayer against a disposable surface such as a plank of wood. This will enable you to become familiar with the rate of the spray as well as familiarizing your self with how the trigger operates because it will help you to achieve optimum consistency and also save a bit of time with the paint sprayer. You can also practice spray painting on a flat surface that nobody can see, maybe a side of your house that nobody can see. Start by spraying the caves, undersides or overhangs. This will give you a good idea of how the rest of the spraying will occur.

    The Spraying Process

    The spray paint process goes initially in sections and do not move too far in one go. It is best to spray paint at a length of 12-inches from the surface. A tip extension can also be used to get to all the areas that are hard to reach.

    Next, work on the outer edges and then move onto the inner corners. This will allow you to cover all surfaces accordingly. Once the heaves are already sprayed, work on the exterior walls, themselves. It is advisable to start at the top of the wall and move downward in smooth motions. Otherwise, if you start at the bottom, you will be obliged to move upwards using a ladder. This may result in a sloppy spray paint job

    Then, spray paint with a steady stream by keeping the sprayer about 30cm away from the wall. Always keep the sprayer at a 90-degree angle from the wall. Take special care not to add any additional paint to the corners which the sprayer passes constantly.

    Lastly, you need to finish the coat of paint at the bottom of the wall. The best way to do this is by keeping the paint sprayer several inches from the wall.

    Things to Consider

    While spray painting may only require a few basic rules, there are other factors that you need to take into account as well.

    Never stop moving the gun whenever you pull the trigger while the paint is blasting out. The minute you stop spraying, a pile of glop will appear on your exterior walls and this will affect the coating by causing an uneven surface that will force you to start painting allover again.

    For best results, you should use long, sweeping strokes with your arm regardless of the direction that you are painting.

    Do not keep the spray paint on the surface as you switch directions. Otherwise, this will cause a buildup of paint.

    Use enough paint because the number one cause of a poor paint job is the lack of paint.

    Bottom Line

    While using a paintbrush or roller is much easier and more predictable than spray painting, it is always best to embrace new painting techniques that will make an impact on your results. There is a lot to learn about spray painting, but with the right technique, you can achieve professional results. That way you will save a lot of money because you won't have to call an expert to do the painting job.

    Take all the right precautions because it is easy to spread paint to unwanted surfaces if you are not careful enough. The steps mentioned above will ensure that you master the art of spray painting exterior walls. After use, remember to clean it accordingly because proper maintenance is a crucial factor if you want the sprayer to last.

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