The Rains Are Coming: Three Things You Need to Do to Waterproof Your Basement

by Connor Pena

If you have a basement, you need to make sure it's waterproofed before the rainy season arrives. Waiting until things get wet could leave your home vulnerable to water damage. If this will be your first time waterproofing your basement, you might not know where to start. The simple guidelines provided here will help you waterproof your basement and get it ready for the rains.

Walls and Floors

It doesn't take much water to cause damage inside your basement. In fact, even moisture build-up on the walls can cause problems like mold growth and concrete damage. Before the rains arrive, you'll need to waterproof the concrete walls and floors in your basement. You can do this using a waterproof sealant that's available at any home-improvement store.

Supplies You'll Need

  • Latex concrete caulking
  • Putty knife
  • Paint pan
  • Foam roller
  • Waterproof concrete sealant

Directions

  1. Locate cracks in the concrete.
  2. Fill each crack with latex concrete caulk.
  3. Use the putty knife to scrape away the excess caulk.
  4. Allow caulk to air dry.
  5. Pour waterproof sealant into paint pan.
  6. Use foam paint roller to apply sealant to the basement walls.
  7. Beginning in corner farthest away from door, begin applying sealant to the basement floor.
  8. Allow sealant to dry overnight.
  9. Apply second coat and allow to dry.

Windows

Take a look at your basement windows. If you see watermarks coming from the edges of your window frames, you have a leak problem that will need to be tended to. You can use Polyurethane caulking to seal your window frames and prevent leaks. Clean the window wells and frames using warm, soapy water. Allow them to air dry. Apply a strip of polyurethane caulking all the way around the window frames. Smooth the surface using a putty knife. Allow the caulking to dry. Apply a second coat to thoroughly protect your windows against water.

Downspouts

You might not realize this, but your rain gutters are an important part of basement waterproofing. To prevent floods, you need to make sure that your rain gutters are clean and that the downspouts are facing away from the foundation of your home. Use your garden hose to remove dirt and debris that might have built up in your gutters. Next, inspect each of your downspouts and adjust them as needed.

The rainy season is just around the corner. Make sure your basement is properly waterproofed. The tips provided here will help you identify areas that will need your attention.


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