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5 Common Mistakes to Avoid When Waterproofing Your Basement in Toronto

For many homeowners in Toronto, wet basements can be a source of frustration and worry. Not only do they take away from your living space, but they can also lead to serious issues with mould accumulation and standing water. But did you know that many basement waterproofing jobs fail due to mistakes made by the homeowner or contractor? If you live in Toronto and are looking for reliable, professional wet basement waterproofing services, it’s important to steer clear of these five common mistakes so that you get the best possible result for your investment. In this blog post, we will discuss what those common mistakes are and how to avoid them when selecting a trusted professional service provider or attempting DIY methods.

Table of Contents

Not Identifying the Source of Water Intrusion

Knowing the water source of basement flooding is vital before proceeding with the best waterproofing solution. With wet basement waterproofing in Toronto, Ontario, some common sources of moisture intrusion can include foundation wall cracks, a high underground water table, and leaky window wells. These sources should be identified to determine the best course of action for your home. Formerly dry basements can experience flash flooding due to poor or overwhelmed drainage systems so it’s important to identify the source of water intrusion before it becomes a bigger problem!

Choosing the Wrong Waterproofing Method

For those living in Toronto, Ontario, choosing the wrong waterproofing method for a wet basement may lead to costly repairs down the road. Many homeowners might be tempted to only fix interior water issues, thinking that taking care of interior water damage is enough. However, interior solutions such as crack injection will not prevent future foundation issues from occurring and do not address exterior sources of water such as window wells or cracks in foundation walls. An interior sump pump system should be considered when interior solutions are used in order to remove any remaining interior moisture and protect against flooding risks. It’s important to understand that exterior solutions like weeping tile installations and proper grading can enable comprehensive protection against outside sources of water. Protecting your home with both interior and exterior waterproofing ensures maximum defence against future basement problems.

Ignoring Drainage Issues

As storm season approaches in Toronto, it’s important not to overlook the risks of standing water in your basement. Poor stormwater and window well drainage systems can compromise a foundation’s integrity, leaving your home vulnerable to costly damage over time. If you’re seeing signs of wetness or pooling around your basement walls or floors, don’t ignore it; resolving these drainage issues promptly is key to ensuring a dry and safe living environment for years to come.

5 common mistakes to avoid when waterproofing your basement in Toronto
5 common mistakes to avoid when waterproofing your basement in Toronto

Not Hiring a Professional Basement Waterproofing Contractor

Taking on a wet basement waterproofing project yourself in Toronto, Ontario can be a huge undertaking and very time-consuming. There are key steps that must be taken to ensure you get the job done properly and prevent serious mould growth and damage to your property. Before beginning this process, it should be considered whether taking on the project is ultimately the most cost-effective option. Professional waterproofing contractors are well-versed in proper techniques and procedures for dealing with wet basements, so enlisting their expertise could save you both time and money.

Neglecting Regular Maintenance and Inspection

Being a homeowner in Toronto, Ontario can be demanding, especially when it comes to ensuring that your home is both healthy and safe on all levels. One of the most critical areas to regularly maintain and inspect is the basement – if water seeps in due to cracks or other vulnerabilities in the walls or foundation, it may lead to lasting damage and costly repairs. Neglecting regular maintenance and inspection of your basement waterproofing system could lead to serious structural issues down the road by allowing water infiltration into your home. Relying on professional wet basement waterproofing services in Toronto will provide superior protection from water damage, as well as added peace of mind that your investment is sound and secure.


When it comes to wet basement waterproofing in Toronto, Ontario, it’s essential to take the appropriate steps to ensure your system is functioning as designed. Failing to identify the source of water intrusion, ignoring drainage issues, opting for the wrong waterproofing method, not hiring a professional waterproofing contractor and neglecting regular maintenance and inspection are all major mistakes that could end up causing significant damage. To avoid these costly pitfalls, if you’re in need of wet basement waterproofing in Toronto, Ontario, look no further than Strong Basements Inc. Our experienced professionals have years of experience helping customers with just about any project imaginable related to wet basements. So don’t wait – call us today for a free and detailed estimate!


Basement Waterproofing FAQ

Most frequent questions and answers

There are several affordable options for waterproofing your basement, depending on your specific needs and budget. One of the most cost-effective methods is to apply waterproofing paint or sealant to the interior walls and floors of the basement. This can help to prevent water from seeping in and causing damage.

Based on various factors such as climate, location, soil type, source of water, and budget, the best basement waterproofing method can vary. However, in general, exterior basement waterproofing is considered the most effective method for preventing water intrusion into the basement. This involves excavating the soil around the foundation and applying a waterproof coating or membrane to the exterior walls. This method provides a barrier that protects the foundation from water penetration and can help prevent moisture-related issues such as mold and mildew growth.

If you choose to waterproof your basement from the inside, you will need to remove the drywall and framing from the affected areas. This will allow you to properly install a waterproof membrane on the interior walls. In addition, you will need to install weeping tile pipe around the interior perimeter of the basement to collect any water that may seep in. Finally, a sump pump system should be installed to pump any collected water out of the basement. While this method can be effective, it is important to note that it can be a time-consuming and labor-intensive process, and may not be as effective as exterior waterproofing in all cases.

More about Basement Construction in Toronto:

  • Toronto
  • Etobicoke
  • Mississauga
  • East York
  • North York
  • Leaside
  • Scarborough
  • Vaughan
  • Oakville
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