Do You Need to Seal Whitewash?

Are you wondering if you need to seal whitewash? Whitewashing upgrades the look of the material while allowing their natural color to show through. As compared to paint, whitewash is lighter and it provides a weathered and vintage look to the material. Whitewashing differs only slightly from painting which makes you wonder if you also need to seal whitewash so that it last longer. We will find out the answer to this question below.

Do you need to seal whitewash? You need to seal whitewash to protect, maintain and prolong the look of the material. Once the whitewash has completely dried, apply a clear water-based sealant over the surface of the material using a brush. This will prevent water or moisture from damaging the whitewash.

What are the benefits of sealing whitewash? Does whitewash wash off? How do you seal whitewashed wood floors? These are some of the questions that we will discuss. Read the rest of the article below for more tips and information.

Do you need to seal whitewash
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Benefits of Sealing Whitewash

The benefits of sealing whitewash include preserving the quality of the whitewash, creating an ideal bonding layer, and sealing off cracks and holes. You can choose from a wide array of sealants that are available in the market. Make sure that you choose the right sealant for the material and the whitewash. Let us learn more about the benefits of sealing whitewash below.  

Creates a Bonding Layer

One of the benefits that you can get from sealing whitewash is that it creates a bonding layer. Sealers have a natural bonding agent which allows it to stick into the surface of the material. Regardless if the surface is old or new, the sealer will easily stick into it and also allows whitewash to adhere into it. It also preserves and protects the whitewash so that it lasts for a long time. You can also check out this article that discusses what the purpose of whitewash is. Check out the article for more tips and information.

Preserves the Quality of Whitewash

Another benefit that you can get from sealing whitewash is that it helps maintain its quality. Take note that there is some whitewash that loses its quality when attached into the wall. Moreover, the surface of the material is old and can react with the whitewash. If the wall is whitewashed, it can be absorbed into the material. Aside from that, whitewash can fade and lose its fresh appearance over time. To prevent this, you need to seal whitewash.

Seals Holes and Cracks

When you whitewash the surface of the material, it cannot seal cracks and holes. The sealer helps to cover the cracks and holes for an even surface. It is also recommended that you apply the sealer to cover holes and smooth the surface before whitewashing. This will create an even texture when you start applying whitewash.

Why Seal Walls Before Whitewashing?

Before you apply whitewash, you need to seal walls to make sure that it is free from stains, holes, and cracks. Moreover, you need to seal flaky and chalky walls to make sure that the surface is smooth and even before you start applying whitewash. However, you should take note that some walls are not recommended to be sealed. See to it that you use the right type of sealer for the material of the wall that will be whitewashed. Below are the reasons why you need to seal the walls before whitewashing.

To Remove Stains

One of the reasons why you need to seal walls before whitewashing is to remove stains. The sealer will cover the stain in the walls so that you have a clean surface when you apply the whitewash.

To Cover Cracks and Holes

Another reason to seal walls is to cover cracks and holes. If you are working with an old wall, it can have holes and cracks on it. Before you start applying whitewash, you first need to cover these holes to have an even surface. We have also shared this article that discusses if you need to whitewash walls before painting. Check out the article for more tips and ideas about the topic.

To Even Out Flakes

If the walls are flaky, you also need to seal it before whitewashing. If you are working with walls that peel off in some areas, it can have an uneven texture. If you apply whitewash without sealing it, it can have an uneven texture as well. In the long run, the whitewashed wall will have some recessed areas that are not pleasant to the eyes. Applying sealer will even out the flakes.

To Level Chalky Walls

If the walls are chalky, it can be slippery when you whitewash it. Moreover, the chalks in the surface of the wall will make it harder for the whitewash to adhere. This is also one of the reasons why some whitewash peels off when they dry on the wall. The sealer will create a sticky surface so you can easily apply whitewash.

✅ Video – How to Whitewash and Seal a Wood Floor

Country Living Experience: A Homesteading Journey shared the video below on YouTube. It discusses how to whitewash and seal a wood floor. In the video, the steps on how to apply whitewash using a latex paint and how to seal it is shown. Watch the video below for the demonstration.

How Do You Seal Bricks Before Whitewashing?

To seal bricks, you first need to make sure that it is thoroughly cleaned. As compared to paint, whitewash can flake off over time. After applying whitewash, you need to add a sealant to protect it. The sealant will prevent the whitewash from flaking. You can add a second layer of sealant if you want. Below are the methods on how you can seal bricks before whitewashing.

Step 1 – Cleaning

The first step that you need to do is to thoroughly clean the brick wall. You can use soap and water as a cleaning solution. Wipe the bricks with the cleaning solution using a sponge or a rag. You can also use masonry cleaner. See to it that you choose high-quality masonry cleaner and use it according to the directions that are stated on the label. Remove unwanted contaminants with the use of a stiff brush or pressure washer. If the bricks are exposed to rust, use a rust remover to clean it.

When cleaning an interior brick wall, use a safe cleaning solution and a brush. Remove dust, dirt, and debris from the bricks with the use of a towel. Once you have made sure that all the stains are gone, rinse the bricks with water. Allow the bricks to dry for at least 24 hours before sealing. You can also check out this article that we have shared that discusses if you need to prime before whitewashing. We have shared an in-depth discussion about the topic.

Step 2 – Sealing

The next step that you need to do is to seal the bricks. There is a wide array of brick sealers that are available on the market. You can choose a matte finish to seal the brick and make it water-resistant without changing its appearance. On the other hand, you can choose a gloss finish if you want the bricks to have a glossy look. Once you have decided which sealant you will use, you can begin sealing the brick. See to it that the bricks are thoroughly dried. You should also protect the floors by covering them with cloth or newspaper. This will make sure that no sealer will drop into the floor.

Use a roller, brush, roller, quality sprayer and start applying a coat of sealer to each of the bricks. You also need to coat the mortar joints in the wall. Get rid of any excess drops and apply a second coat of sealer if needed. Allow the first coat to dry before applying the second coat. After applying the last coat, allow the brick to thoroughly dry according to the manufacturer’s instructions. Sealing a brick wall will make it more durable and also make sure that the whitewash will apply perfectly into it. Take note that moisture and water can damage the bricks. By sealing it, you can rest assured that it will last for a long time.

How Do You Seal Whitewashed Wood Floors?

To seal whitewashed wood floors, use a water-based sealer. This type of sealer dries quickly and does not have any bad smell on it. Use a paint brush and apply the sealer with long and even strokes. Allow it to dry for a few hours before you apply the second coat. The sealer will make the whitewashed floor last longer. You can also check out this article that we have shared titled, whitewash vs. white paint, is whitewash white paint? We have shared an in-depth article about the topic.

Does Whitewash Wash Off?

Whitewash does not wash off. As compared to paint, it can last for many decades without requiring a lot of maintenance. To make it last longer, you can also seal the whitewash with a high-quality sealant. Choose from a wide array of sealant available on the market. You can also check out this article that we have written titled, do you need to sand before whitewashing? We have shared an in-depth discussion about the topic.

Is It Bad to Whitewash Brick?

It is not bad to whitewash brick. Whitewash can preserve the natural texture of the brick. Aside from that, it can also make whitewash stick perfectly into the bricks so that it maintains its fresh and new look. To create whitewash, some use paint. Paint is diluted with water to create the same weathered look. However this does not have the same result when compared to using whitewash that is made from lime and water.


You have reached the end of this article that discusses if you need to seal whitewash. We have learned that sealing whitewashed walls or furniture is important to preserve its color and to prevent the walls and bricks from getting damaged easily. We have also shared tips on how to seal whitewashed bricks. Thank you for reading!

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