A Complete Manual to Basement Waterproofing- Method, Prices and More


Basement waterproofing involves tools and materials to keep water out from your basement. Waterproofing a basement below ground level needs a number of materials such as sealants, pipes, sump pump etc. Your basement is prone to humidity and moisture.

Hydrostatic pressure created against the basement wall from the water in the soil can lead to cracks causing structural damage, mold, rot and other leaky basement issues. Irregular soil, poor drainage systems, wrong slope, hydrostatic pressure and ill-maintained sewer pipes are some of the factors that can cause wet basement. Basement waterproofing helps you avoid all these issues. However, you have different types of waterproofing methods for your basement depending on the condition of your house. Here is a manual to help you choose the right one.

Interior waterproofing

Interior basement waterproofing as the name suggests concentrates majorly on the ceiling and walls of your basement. The aim is to keep water out of the basement. If your basement walls are not painted, you can go for concrete waterproofing coating or silicate concrete sealers to prevent leak.

For additional safety, make sure they are covered with waterproof material. The cost of waterproofing basement from the inside along with flooring with concrete coating is same as exterior waterproofing.

Exterior waterproofing

Waterproofing your basement from the outside is a more extensive process to prevent water from entering your house. It is an effective way to waterproofing your basement walls. It resolves the issues of improper grading and inefficient drainage. Furthermore, it helps you to completely remove the issue of damp basement and never allows moistness to damage your home. All you need to do is hire a reliable basement waterproofing company Toronto to build a drain around the house, down to the foundation and fix proper drainage. It is also recommended including a waterproof coating to the base and install French drains and sump pumps.

Cost of basement waterproofing

Let’s consider the average basement waterproofing cost. As per the surveys and online calculators, waterproofing a basement can be priced somewhere between $1900 to $7000. The average cost per square foot ranging from $3 to $10.

Maintenance work can be priced as low as $600, however, if it is extensive and complex, then it can go as high as $10,000.

Advantages of basement waterproofing

Though water makes its way inside the basement through foundation cracks and inefficient heating or cooling may add to water accumulation or condensation causing major harm to your basement. But, waterproofing your basement in the right way offers several benefits.

  • Good indoor environment
  • Safety of the basement floor and walls
  • Protection from basement flooding
  • Protection from structural damage
  • Lower electricity bills


The type of construction of the basement, level underground and desired end use affects the waterproofing device selection. It can lead to costly repairs. So, it is important to consider all the factors and then choose your method of basement waterproofing. Make an appointment with a basement waterproofing contractor and get your basement secured now.

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