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9 Simple Steps to Waterproofing Exterior Walls


“Your walls are the foundation of your home. The weather out there will not be nice and you need to pay special attention to your house’s exterior walls. It is not enough to paint your wall. The paint will start peeling off after a while because of the weather and the heat of the outside environment.”

Thus, waterproofing is the best way to ensure that your walls are protected and retain your house’s longevity. At the same time, it is vital to reduce your frequent renovation cost. So, here are some of the simple steps for providing effective waterproofing solutions to your home.

Damp carpets and beneath wall coverings can be the most prominent place for mold and mildew growth. Finishing a basement without first dealing with the moisture problems can make health conditions worse and lead to significant damage. Interior waterproofing systems, installed by a professional contractor, can keep the moisture away throughout the home.

Step 1: Properly expose the outside part of the wall

To start with waterproofing your exterior walls, make sure it is properly exposed to work on. Your house walls possess a lot of dirt, which creates an additional layer over the wall. Get rid of all the filth and dust from the walls. And before doing so, remove all the drainage pipes and the old field tiles to get proper access to every corner and area of the wall.

Step 2: Thoroughly clean the walls

“The outer part of your home’s wall is usually covered with a lot of dust and dirt from the air. To make sure the process is efficient, you need to clear off the debris and dust. The dirt and debris can be cleaned with a broom, brush, or sandpaper. Then use a power washer to clean it off.”

Step 3: Check out for the cracks and fill them up

Cracks and holes can develop over time on your exterior walls. To make sure you get proper weatherproofing, you need to find all the cracks and holes on your wall. Then fill them with cement.

Most of the homeowners get worried about cracks in the foundation. But the fact is, not all foundation cracks affect the home’s structural integrity. Sometimes cracks can be caused by shrinkage during the concrete curing process. These unsightly, non-structural shrinkages, commonly known as hairline cracks, don’t put your home in immediate danger. But on the other hand, structural cracks are serious business.

All over the internet and TV you find websites and programs with step-by-step guides of DIY foundation repair. But the truth is that a foundation should not be experimented on in a DIY project. Foundation repair requires years of experience and specialized tools. When it comes to foundation repair, contact a foundation repair expert.

The cement mixture seals the cracks. Before applying the cement, you should remove the loose cement from the wall.

Step 4: Add a layer of cement waterproofing sealer

To ensure the proper application of waterproof on your wall, you need to apply a cement waterproofener. After applying the cement in the crevices, let it dry and then apply the waterproof paint seal for the exterior walls. Allow it to become dry.

Step 5: Pick the right water-proofer

There are many products in the market. You need to pick the right one for your wall. The water-proofer should be chosen based on whether the wall is concrete or silicate.

You can choose between a concrete coating, paint, or seal. Pick a plaster waterproof Additive that will strengthen your walls.

Step 6: Apply the water-proofer

Apply the water-proofer thoroughly on the walls with a roller or brush. If you want to apply more than one layer, give a thin coat first. The first coating should be dry before the second one is added.

Step 7: Apply tar and heavy-duty membrane

Once you have dried the cement, you need to use a tar-based pitch to strengthen the layers. It is applied on your wall.

After that, you need to apply a heavy-duty plastic or rubber membrane for waterproofing, which will ensure the proper care of your walls.

Step 8: Consider adding gravel

The trench needs a proper base below the footer to be laid. The drainage pipes will get adequate support from a 34 inch gravel base. Gravel is long- lasting and provides enhanced protection.

You need to lay the drainage pipe-cover and gravel. To level the gravel, go near the footer. A covering for the pipe should be at least 3-inches.

Step 9: Add a fabric barrier

“The fabric barrier is needed to secure the pipe. Ensuring a fabric barrier is going to prevent the formation of dirt and keep your system free of gunk. Then back-fill the trench and build the top of the dirt relatively high and allow it to settle for a while. Slope the ground away from your walls after you’re done.”


Your home will be a new life and strong enough to deal with outside weather issues. Magicrete can help you with good waterproof solutions for your walls. Magicrete offers a very low and affordable price for proper weatherproofing.

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