Basement Waterproofing Cost Toronto, GTA & Ontario

How Much Does Basement Waterproofing Cost in Toronto

Wondering how much does it cost to waterproof a basement? Learn what impacts the cost of basement waterproofing in Toronto, GTA, Ontario & beyond!
A contractor applies a waterproofing membrane to the exposed foundation of a building to protect its basement
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How Much Does Basement Waterproofing Cost?

Basement Waterproofing Cost in Toronto & GTA

Basement Waterproofing in Toronto costs from $70-$350 dollars per linear foot. Exterior Basement Waterproofing in Toronto costs more compared to Interior Waterproofing because of the cost related to excavation and other complexities that come with Exterior Basement Waterproofing.
A newly constructed building foundation is sealed with a waterproof membrane
Exterior Basement Waterproofing

How Much Does Exterior Basement Waterproofing Cost in Toronto?

Exterior Basement Waterproofing in Toronto costs from$100-$300 per linear foot depending on the scope of the project and other details.
How Exterior Basement Waterproofing Works? Exterior Waterproofing System is installed outside the basement walls and helps minimize the interaction that your foundation walls have with groundwater.

Process of Exterior Basement Waterproofing:

  • Exterior Basement Waterproofing involves the excavation of the soil surrounding the foundation to expose the walls
  • Walls are then cleaner and foundation cracks are repaired
  • Multiple layers of basement waterproofing membrane are applied to the walls
  • Drainage system is installed to help reduce the amount of groundwater accumulated around the foundation
  • The trench is then backfilled following a special methodology
  • Landscaping work is done

Benefits of Exterior Basement Waterproofing

  • Helps minimize contact between groundwater and the foundation walls, this helps protect the foundation from structural damage.
  • Actually prevents water from entering the basement
  • Doesn’t require maintenance, unlike internal basement waterproofing

Downsides of Exterior Basement Waterproofing

  • Exterior Basement Waterproofing projects often cost more compared to interior waterproofing
  • External waterproofing takes longer to complete
  • Is more disruptive as it involves excavation around the foundation
Interior Basement Waterproofing

How Much Does Interior Basement Waterproofing Cost in Toronto?

Interior Basement Waterproofing in Toronto costs from $70 to $350 per linear foot depending on the specifics of the project. The cost of an Interior Basement Waterproofing Project ranges between $15,000 and $30,000 depending on the size of the basement, extent of the damage and other factors described below.
  • Process of Interior Waterproofing – In most basement waterproofing projects interior basement walls are cleaned, and wall cracks are repaired. A waterproofing membrane is installed on the walls. The waterproofing membrane directs the water to the drainage system, once the water in the drainage system reaches a certain level a sump pump pumps the water out of the basement.
  • Benefits of Internal Waterproofing – is less expensive up front, can be completed faster, is less disruptive (doesn’t involve excavation around the building).
  • Downsides of Internal Waterproofing
  1. Internal waterproofing requires maintenance of the sump pump and has costs associated with it
  2. A broken sump pump can lead to basement floods
  3. Internal waterproofing does protect the foundation from structural damage as the groundwater interacts with the foundation
Factors that Impact Basement Waterproofing Cost in Toronto

Factors we Look at When Estimating the Cost of Basement Waterproofing in Toronto & GTA

  • Waterproofing Method – exterior basement waterproofing is often more expensive.
  • Scope of Work – basement waterproofing projects can include a number of other services – window well installations, basement underpinning (floor lowering), etc. The more services included under basement waterproofing, the higher the cost will be.
  • Depth of the Foundation – foundation depths in Toronto generally range between 5 and 8 feet. Deeper foundations require more labor and materials, which results in a higher cost of basement waterproofing.
  • The Extent of the Damage – before we start your project, our team will examine your foundation to determine the extent of existing damage. Small basement wall cracks can be repaired using relatively inexpensive materials such as epoxy injection. More extensive foundation repairs (such as foundation reinforcement) are more complex and increase the cost of basement waterproofing.
  • Materials – if your basement waterproofing projects only involve foundation crack repairs cost of materials will be lower compared to interior waterproofing or exterior waterproofing.
How to Estimate the Total Project Cost?

Cost of Other Services Related to Basement
Waterproofing in Toronto

Cost: $70-$350/linear foot
Interior Basement Waterproofing helps manage the water that makes it to your basement. Foundation cracks are repaired, a waterproofing membrane is applied, and water is directed to the drain system, sump pump pushes the water outside your property.
Cost: $100-$300/linear foot
Exterior waterproofing is a method of basement waterproofing that helps prevent water from entering your property. Perimeter around the foundation is excavated, walls are cleaned and cracks are repaired. Multiple layers of waterproofing are applied. Drainage system installed around the foundation.
Cost: $1,500-$3,200
Our team of basement waterproofing experts will help identify foundation cracks and depending on the severity of the damage will recommend the right approach to repairing the cracks.
Cost: $1,600-$4,000
Window wells are an effective method to prevent water from entering the basement of your property.
Cost: $500-$3,600
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