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Your Guide to Waterproofing Your Basement

Since basements are by definition below ground level, they are notorious for easily becoming wet and damp. Even though this is an extremely common occurrence, it is not a desired one. Let’s take a look at why moisture in the basement is an issue, how to identify whether or not your basement has a moisture problem, and tips to waterproof your basement.

Why is Basement Leakage a Problem?

Water and/or moisture collecting in your basement can turn into a big problem if left unattended. For starters, moisture can raise the humidity of the space which can then lead to the growth of mould. Toxic mold can be hazardous to your health, most commonly causing respiratory issues, eye irritation, and skin irritation. For those who have a suppressed immune system, exposure to mould spores can lead to even more serious health complications.

The second issue with moisture in your basement is that it can lead to costly structural issues to your home. Over time moisture can cause damage and rot to the walls and flooring. This not only puts a dent in your wallet but compromises the structural integrity of your home.

The causes of a leaky basement can range from a plumbing problem or cracks in the walls to improperly sealed windows.

How to Know If Your Basement Has a Moisture Problem?

Unless your basement floods, it can be a little more difficult to diagnose whether or not you have a moisture problem. Here are some common signs to look for:

  • Humid air
  • Damp feeling
  • Water trickling down the walls
  • Water or moisture on the floor
  • Condensation
  • An unpleasant odor (an indication of mold and mildew)
  • Rotting walls, flooring, or joists

This is not an all-inclusive list, but a great place to start when evaluating your basement for moisture.

Ways to Waterproof Your Basement

Basement waterproofing is the best way to make sure you either do not have a basement leakage problem or to prevent a future one from occurring. Before you begin taking steps to waterproof your basement, if you do have standing water, you need to remove as much of it as possible, so that you have the driest conditions possible.

Use hydraulic cement to create a watertight bond in all of the cracks and crevices that lead to the outside of the home. Windows are a common source of basement leakage. Use caulking to provide a waterproof seal around the perimeter of the window. It is advisable to do this on both the inside and outside. Paint the interior walls of the basement with a high-quality waterproof sealant.

Finally, take a look at the exterior of your home and identify any areas around the foundation of your home that you can increase the effectiveness of water drainage away from your home.

The Leaders in Basement Waterproofing


New Canadian Drain & Plumbing, the premier plumbing company in Toronto, Ontario not only offers professional basement waterproofing services but solutions to remove existing water from your home in the event of a basement flood. Contact us today for more information and to schedule an appointment.