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Waterproofing Basement Walls: Do's and Don'ts

couch in a very flooded house

Have you noticed that your basement is taking on more water than usual? Since people’s basements rest below ground, it is typical of them to experience some form of water leakage.

You may see drips here and there and the occasional puddle. But if your basement experiences a flood or severe water damage, you need to fix the problem right away.

Water that sits in a basement can create mold, which affects your overall health and lungs. Waterproofing basement walls requires knowing what can help or hinder your progress if you want to know how to properly find a solution; keeping reading for our guide to waterproofing dos and don’ts. 

Do: Find The Water Source

The first thing you want to do is pinpoint the water source. That will allow you to fix the problem at its root, which will prevent any further damages to your property, health, and family.

If you notice a significant water collection on the floor or wet walls, you need to investigate further. A way to determine if there is a leak or water damage is to perform a condensation test.

Here’s how to do it: 

  • Dry a portion of the wall
  • Stick some foil onto the wall and secure it with duct tape
  • Let it sit for 24 hours
  • Remove the duct tape and feel the foil

If the foil is dry, then you probably don’t leak. However, if the foil is damp or wet, that is a sign that water is seeping through your concrete. 

Don't: Work When There Is Water in the Basement

Never perform any work when the area is still wet. Fixing a basement in standing water is hazardous, especially if there is any electrical equipment involved.

Instead, be sure to turn off the power supply and unplug anything electrical. Then, you can use a pump to dry out the damaged areas. 

Do: Use Cement 

It is not uncommon to find weak spots, or cold joints, in the cement down in your basement. If you do see these cracks, a simple fix is to fill them with hydraulic cement.

All you have to do is go to your local hardware store and find a tub of Quikrete. Mix it with water, and apply it to the cracks. It will create a tight bond in your concrete and prevent further water damage. 

Don't: Forget The Window Wells

Another source of leaks is basement window wells. That happens when there is no proper drainage system applied to the basement’s internal structure.

Aside from installing a whole new drainage system, you can dig around the window and fill the space with gravel. That should soak up any water that seeps in. 

Do: Apply Waterproofing Products

If you have walls that leak or experience water damage, then use waterproof paint like Drylok. You apply this like any other paint, except you want to ensure you put on a thick coat. That way, you seal over any exposed crevices.

That way, you can seal over any exposed areas in the cement. Alternatively, you might be more comfortable hiring a waterproofing company. If that is the case, you can always look into a company like us here at Advanced Construction and read about our waterproofing services. 

Hire a Service for Waterproofing Basement Walls

As you can tell, there are several things you need to know about when to comes to waterproofing basement walls. If you want to hire a company with extensive basement knowledge, Advanced Construction Services will help.

We perform multiple services on both commercial and residential buildings and grounds. If you need help with your basement, or anything else, contact us and get your free estimate today!