How to Paint a Brick Wall? (Exterior and Interior)

Having been popular since the late 1900s, an exposed brick wall is a trendy way to add that timeless beauty, warmth, and texture to your space.

The good thing is it matches perfectly with any theme to make your overall space look beautiful.

Additionally, when you expose the brick of the walls, it is less expensive to repair and repaint than as compared to replacing the drywall.

Despite the great things, one most common drawback to an exposed brick wall in your house is you find it very hard to hang the beautiful paintings or artwork to your walls.

And for this reason, many homeowners just prefer to add beautiful wallpaper to their walls that display the beauty of building blocks and exposed bricks.

paint interior brick wall

Painting Exposed Brick Wall


A wall of exposed bricks may look beautiful and sturdy but is quite porous.

This makes it absorb more moisture and dirt – leading to problems like mold issues and faster deterioration.

For this reason, it is important to apply good paint (acrylic-based) or a sealant to your brick and mortar interior wall.

Although bricks can be painted just like wood, there are issues when the temperature changes from the warm summer to the cold winter and back again.

This is because any moisture that is trapped in the brick will cause the paint to blister and then peel away.

This means that if you decide to paint an old brick wall surface, you’ll need to be prepared to paint it more frequently compared to wood.

What follows is a guide to painting brick walls (both exterior and interior) so you can do a thorough job, maximize quality, and hopefully reduce the number of times the brick will need to be repainted.


How to Paint Exterior Brick Wall?


paint exterior brick wall

First of all, when planning to paint your original clay-and-mortar blocks of the exterior brick wall make sure that you do this in the summer and not during the rainy season.

This is due to the reason that you’ll need a few days of no precipitation for the paint to dry and properly hold.

Step 1. Clean the Bricks

Before you begin the work, you’ll need to clean the outside wall bricks thoroughly.

This is to remove any dirt, dust, or debris that may be clinging to the surface.

The tools are rather simple as soap, water, and a good stiff brush will do the job, but it will take some elbow grease to get it done.

If the bricks are really filthy, then you may need to use a stronger chemical such as trisodium phosphate or TSP.

You’ll need eye protection and gloves when using TSP on the surface of the weathered brick.

Remember that using a pressure washer may seem logical, but that means more water will penetrate the surface and make the subsequent paint job less durable.

Step 2. Let it Dry

You’ll need at least 24 hours for the bricks to properly dry. If they are in the sunlight, the process may go faster.

However, remember that it is better to err on the side of caution when it comes to the moisture being fully evaporated before you paint.

Step 3. Acrylic Caulk

Any cracks, openings, or separations within the brick or mortar will need to be repaired using acrylic caulk.

Apply the caulk to the open space and let it fully dry before painting.

If the damage is considerable, you may need to re-apply the mortar or repair the brick before you start painting.

Step 4. Apply The Primer

Once everything is fully dry and ready, you can apply a single coat of latex primer. You’ll probably need both a roller and a brush to do the job.

A roller with a ¾” nap cover will help you spread the paint evenly – along with the bricks. Once you have used the roller, a brush can be used to fill in the gaps.

This is because your backyard bricks and mortar tend to be an uneven surface. The brush will be most helpful in this regard.

However, you can use a paint sprayer as well. If you are skilled with a sprayer, you may be able to do the job faster.

Step 5. Paint the Brick Wall

Once the primer has dried, now you can add the paint to your outside brick wall.

You’ll want to use good, high-quality latex paint or perhaps a mineral-based pain that allows any moisture remaining inside the brick to expand without damaging the paint itself.

This is usually known as vapor permeable or porous paint. Apply a solid coat as you did with the primer.


How to Paint Your Interior Brick Wall?


The interior brick wall is usually different compared to an exterior brick wall due to the fact that it has not been subject to precipitation, wind, and the dirt and debris common in the outdoor environment.

However, preparing to paint the fired bricks inside the home or building is similar compared to outdoor brick.

Step 1. Clean

Use the same technique as with outdoor brick.

Soap and water should be sufficient, although TSP may be needed if there are tough stains present.

Step 2. Repair

Acrylic caulk is perfect for repairing any small cracks, chips, or other damage that has occurred to the brick surface before proceeding to the next step.

Step 3. Primer

Here, you’ll need a good, high-quality latex primer for indoor use.

You can use a spray painter tool, but a brush and ¾” roller made of lamb’s wool will also work as well.

Simply paint with the roller and touch up with the brush where needed.

Step 4. Paint

Once the primer is dry, you can use the same roller and brush to apply the acrylic interior paint or perhaps a low-odor latex paint to the red brick.

You’ll want to use semi-gloss or gloss which helps bring out the texture of the brick along with being easier to clean and maintain.

Have some extra paint around for touchups.

Can You Paint A Mural on A Brick Wall?
Yes, you can paint a mural or a brick wall but it needs a bit of creativity, patience and skill. A mural is basically a piece of large art work that is placed directly on a brick wall.

To get the right finishing you need to use the right tools and follow the right steps which will generally involve cleaning, priming and painting the walls with mural effects.


Is It Good to Paint A Basement Brick Wall?


Well, at most of the times it will depend on your personal preferences.

Basement brick walls need to breathe due to extra moisture present there. And therefore, it’s a good idea to leave the red bricks as it is to see its natural red color look.

If at all you want to paint them, you will need to have a high-quality concrete primer and a good water-resistant paint that can withstand the moisture in the basement.

Avoid painting the bricks if they are exposed to moisture.

Also, make sure that you clean your basement brick walls to remove off any mildew stains before you paint them.


What Kind of Paint Should You Use on Brick Wall?


Remember the type of paint you use for inside will generally be different than what you need to have for painting the bricks outside.

So, when you are ready to paint your brick-walls make sure that you use the right paint and color for the job.

For Exterior Bricks

For painting your outside brick wall, it is good to use high-quality mineral-based paint, masonry paint or a silicate paint.

Since these are breathable and long-lasting, these are ideal for exteriors.

For Interior Bricks

For painting your inside brick wall, it is good to choose a top-quality, water-based, acrylic paint that’s designed for interior use.

If you want you can also use an elastodynamic paint, especially for old bricks.

Since these come with higher elasticity, it can fill in the cracks of the old brick wall very easily.

The Color Choice

The natural bright RED color of the brick makes it highly appealing.

However, if you want to change the color painting them with different colors is the best option.

Here are some of my most favorite colors. I have already tried these blends many times and hopefully, you will love them too.

  • While with gray
  • Yellow with cream
  • Sage green with taupe
  • Green with black or gray
  • Charcoal with light gray

What are the Best Brands?

The market is loaded with a wide variety and range of options when you want to choose the best paint for bricks.

Some of the top brands with which I love working with are:

  • Behr
  • KEIM
  • Benjamin Moore

All these brands offer a variety of brick paint options to choose from. You can either pick a high-quality satin-finish, masonry or an acrylic-latex paint.

If you are looking for a good whitewash paint for fireplaces brick, Giani Brick Transformations ( HERE on Amazon), is what I recommend.

Finally,

Brick is porous and can easily absorb the moisture. At the same time, these can be expensive to replace if they get damaged.

Painting brick that is on the exterior or interior (or on you’re weathered fireplace) can be accomplished with the right tools and the patience needed to let the brick dry after cleaning.

You can get considerable results but remember that the permeability of the brick may mean having to repaint it more frequently compared to wood or sheetrock, especially on the interior.

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