How to Apply Thompson’s Water Seal to Brick

Thompson’s Water Seal is a popular waterproofing solution for brick. It creates a watertight seal that will keep your home safe from the elements and prevent stains from ruining your bricks.

How to Apply Thompson's Water Seal to Brick

Thompson’s Water Seal can be applied to any brick, as long as it has been appropriately cured and dried before application. This blog post will show you how to apply Thompson’s Water Seal to brick using a brush or roller, depending on what surface you are working on. 

Thompson’s Water Seal is not only an excellent way to protect your home but also gives it a beautiful, clean look! If you have never done this before, don’t worry; there are plenty of helpful videos online so you can get started today.

Step to Follow on How to Apply Thompson’s Water Seal to Brick 

Step One: Make sure you have everything on hand

Thompson’s Water Seal is applied with a brush, which means one important thing: You’ll need to grab your paintbrush. Additionally, you should ensure that any bricks or bricks components like mortar are free of concrete and dirt before getting started.

Use a Wet Sponge to Remove It

If there is any residue, use a wet sponge to remove it. Once clean, you should let the brick dry entirely before applying Thompson’s Water Seal. Allow for at least 24 hours of drying time. While you’re waiting, organize your supplies.

Step Two: Organize Your Supplies

Thompson’s Water Seal is supposed to be applied with a 4-inch brush. You’ll need to gather several bristles, washable paintbrushes of the same size so that they can dry at approximately the same time. These should include the one you’ll be using to apply the sealer, another brush that will only be for your mixing needs, and a third that will be used for clean-up purposes.

You might also want to gather some paper towels or a roll of paper towels on hand as well. Before you start applying Thompson’s Water Seal, practice with water on scrap surfaces. You’ll have to experiment with the brush you’re using until you achieve even application on your surfaces.

Step Three: Apply Thompson’s Water Seal

Thompson’s Water Seal comes in a liquid form, not unlike paint or stain. To use it, begin by opening up the container before stirring it thoroughly to distribute the solids evenly. Once you’ve done that, use your paintbrush to apply an even layer of Thompson’s Water Seal on the brick.

Use Your Paintbrush to Apply an Even Layer

It would help if you did this in sections with your brush, avoiding dipping it back into the container too frequently. Let each section dry for 20-30 minutes; it won’t take long before you can move on to something else while you wait. Once it’s time to move on, apply a second coat of Thompson’s Water Seal.

Step Four: Clean Up

Thompson’s Water Seal is easy to clean up if you stay organized and thoughtful while applying the sealer. Use your brush for application purposes only, ensuring that you’re never dipping it into the container or back into your brick surface.

Be sure to clean off any access Thompson’s Water Seal with a sponge, ensuring that there are no puddles. If there are, wipe them up immediately before they have time to dry. Drying could damage the bricks’ color qualities and make them harder to clean.

Step Five: Wait for Thompson’s Water Seal to Dry

Thompson’s Water Seal has an incredibly quick dry time, only taking around 30 minutes depending on the weather conditions you experience. You can tell it’s dry when no longer shiny or wet to touch but matte in appearance instead.

Once this happens, your brick is protected from the elements. Now, it only needs the right sealant to protect its color qualities! Thompson’s Water Seal can be applied to brick year-round if you choose, but remember that it must dry 24 hours before any other products are used on top of it.

Step Six: Seal with Wax

Thompson’s Water Seal only protects your brick from the elements, not colors. To protect these qualities, be sure to apply wax to them after they’ve dried completely. While this process is easily done at any point in the year you want to seal with wax; it’s best not to do so when your brick is wet.

If your brick is wet when you apply the wax, the two products could end up clumping together, ruining their potential for polishing and sealing your bricks! Keep in mind that you’re better off polishing brick surfaces with wax only once they’ve dried after applying Thompson’s Water Seal.

You Can Check It Out to Take Lock Off Water Meter

Step Seven: Polish with Wax

You’re not finished yet! Use a soft, clean cloth to polish your brick surfaces once you’ve applied wax. You can do this year-round to maintain your home’s brick exterior as long as the brick has fully dried before applying wax for sealing purposes!

Thompson’s Water Seal and Wax protect the brick from damaging elements, but they won’t do much to protect it from foot traffic or general wear and tear. To keep your brick looking nice for as long as possible, remember to sweep any debris off of it before polishing with wax. This will help in how to apply Thompson’s water seal to brick.

Step Eight: Protect Your Brick

To protect your brick surfaces even further, be sure to power-wash them about once every other year. This will keep any dirt or grime from building up, making it much easier for you to apply Thompson’s Water Seal and wax when the time comes.

Be Sure to Power-wash Them About Once Every Other Year

Keep in mind that if you plan on applying Thompson’s Water Seal to brick, be sure to read the entire bottle’s label and follow all of its directions exactly. While this product is a great brick sealer, it can’t protect your brick surfaces if you don’t use it correctly!


Thompson’s Water Seal is a water-based sealant that can be applied to brick or masonry surfaces. It protects from the elements and prevents damage caused by freeze-thaw cycles and stains from dirt, mold, and algae.

If you’re considering using Thompson’s Water Seal on your home exterior, then go for it! This product will protect your brick surface against outdoor living conditions while providing an aesthetic appeal worthy of any homeowner. The article has been a good guide on how to apply Thompson’s water seal to brick.

You may also read it: How to Brick a Mobile Home

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