Spray painting walls is an alternative to utilizing a roller and paint brushes. Spray painting inside or outdoors can be challenging, but it can provide stunning effects if done correctly.

Remember these things while spray painting walls:

  • Keep the sprayer 300 millimeters from the wall.
  • Keep the sprayer angled at 90 degrees.
  • One-third to fifty percent overlap when spraying
  • Keep your movement constant.

This do-it-yourself guide is about how to spray paint interior walls, ceilings, exterior walls, and garage doors to help you execute the work correctly and safely during any home improvement project.

spray paint walls

Preparations to Spray Paint Interior Walls

It doesn’t matter if you spray paint interior walls or exterior ones. It is critical to prepare the area first; otherwise, the spray paint will not stick to the surface. Before spraying, ensure the inside walls are clean and smooth. Exterior walls should be properly cleaned to eliminate dirt and grime.

Because spray paint is thinner than paint applied with a roller, cover any gaps and uneven patches in your walls first. They must be smooth, as uneven areas may be seen after spray painting walls.

Exterior walls with texture will not expose these flaws as much as internal walls, but they must still be cleaned and any gaps fixed. The next step is to rent or purchase spray painting equipment. Airless sprayers may be superior to air-powered sprayers.

spray painting walls

Spray painting interior walls in different sections of your home is easier to utilize because you don’t have to transport heavy equipment from one location to another. You will also require the following:

  • Protection for your eyes
  • A respirator is required because spraying generates paint droplets.
  • Long-sleeved clothes
  • Long pants
  • A head covering

Spray painting walls is not the same as rolling paint or using a paintbrush. Particles of paint may be breathed or get on your clothing if the sprayer is held too close to the wall.

Wearing a complete covering and a respirator can prevent you from inhaling or getting paint on your skin.

Making Preparations to Spray Paint the Walls

This painting technique is distinct from the DIY home painting you may be accustomed to, whether you spray paint interior walls or exterior walls. This is due to the fact that spray painting leaves water droplets behind and is, therefore, less accurate than using a paintbrush or roller.

Use drop cloths on the floor and mask any places with a different paint color. Make sure the drop cloths cover the floor entirely because overspray could get onto the floor if you spray lower down the wall.

interior wall painting with spray painters

Mask a larger area than you would with a roller or a paintbrush since spray paint covers a larger area. It could be a good idea to practice on some gyprock or plywood before you spray paint interior walls and ceilings for the first time.

Start with as little pressure as you can handle and gradually build it up until it feels perfect. Start low and build pressure until you have complete coverage since too much pressure will lead to runs.

When you do your practice session, remember to:

  • Hold the sprayer about 300mm away from the wall
  • Keep the sprayer at a 90-degree angle
  • Overlap when spraying by one-third to 50 percent
  • Move at a steady pace
  • Do not release the trigger

Drips and runs will occur if the sprayer becomes too close to the wall. The paint will be localized in one region if you spray paint interior walls at an angle. Overlapping will help you cover more ground, but you may still require two coats for complete coverage.

When you spray paint interior walls, keep a steady pace. If you don’t, the paint will be overly thick and runny. When you release the trigger, the paint may spit out at first, ruining your paint job. Keep the paint trigger activated and moving consistently for considerably better results.

Spray Paint Interior Walls With This Method

Interior home painting with spray paint may be simple if you master the method. Corners may be more challenging, but you can cover them by holding the sprayer sideways. Keep the sprayer 300 millimeters away from the wall and proceed at a steady rate.

After you’ve completed the turns, stay in one spot and advance at a steady rate. Don’t worry about the next portion; simply spray as far as your sprayer can reach a 90-degree angle.

spray paint ceilings

When you go on to the next part, overlap vertically and horizontally to ensure that the walls have an even coat of paint. When you spray paint interior walls, you need to consider it can be faster than rolling and brushing.

Also, when you spray paint interior walls, you must allow the paint to dry before applying a second coat, which must also be done using a roller. Once you’ve mastered the technique of how to spray paint interior walls and ceilings rapidly, you might prefer it over traditional painting.

Best Method for Spray Painting Ceilings

You can also use an airless sprayer to paint the ceiling. Wear a respirator that is rated for fine paint particles and something to guard your hair against falling droplets. Move at a steady rate and overlap your strokes, much as when spraying painting walls.

You might be able to operate from the floor if your ceilings are 2.4 meters high. You will have to work from a ladder if your ceiling is higher.

spray painting ceilings

Method for Spray Painting Exterior Walls

Debris, filth, and dirt should not be present on exterior walls. Utilizing a pressure washer to thoroughly clean your walls could be an excellent option. Instead of using a hose and a scrubber, pressure cleaning will be quicker and more efficient.

You can do a DIY job if you’re familiar with the tools, or you may hire a professional to pressure wash your walls. Holding the nozzle too close to the surface might cause harm, so be careful.

If you want to get rid of dirt and grime but leave paint or caulking behind, start at a distance and work your way closer.

Before you begin spray painting exterior walls, the area must be arid. Spray painting a single-story house is a do-it-yourself activity, but you need to be cautious while painting a two-story house. You’ll need to use tall ladders, which increases the risk of injury.

spray painting exterior walls

For a two-story home, you might want to hire experts. They will be equipped with the proper tools and be aware of the necessary safety measures.

To spray paint external walls, you will need a ladder. Begin from the top and work your way down. Cover an area that lets you retain the nozzle at a 90-degree angle, then overlap your blows vertically and horizontally.

Use the ladder to finish the top of the wall, then step on the ground to finish the remaining task. As with interior painting, you might need to let the paint dry prior to applying the second coat.

Spray Painting Garage Doors

Spray painting a garage door may be a great technique to acquire an even layer of paint if you want to change the color. Like any other surface, the garage door should be clean and free of dirt, oil, and debris.

Because a garage door is smaller than an outside wall, it may be cleaned with detergent and a scrubber. After cleaning it, rinse it with plain water to remove any remaining detergent.

spray painting garage doors

Spray paint can cause overspray, so protect the parts surrounding the garage door you don’t want to be painted using masking tape. Newspaper may be used to cover a larger area than masking tape alone can.

A garage door may be given a lovely gloss by spray painting, which is much simpler to perform if the garage door has ridges than trying to paint it with a roller and brush. Additionally, spray paint will give the garage door a smooth finish that a roller and brush cannot.

Getting Quotes From Painters

Get quotes from professional painters in Toronto before attempting to spray paint interior walls yourself if you want to ensure an even and professional finish.

To be sure you’re picking the right contractor, you need to ask the painter how much experience they have with painting walls and request to examine examples of prior work.


When you want to spray paint interior walls, it’s important to note everything for a perfect finish depends on preparation. If the preparation is wrong, you will see the effects after a year or two. Additionally, you must be extremely careful to match the correct type of paint with the different surfaces.