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Underpinning Basement Foundation

Picture of Terry Kobatskyi

Terry Kobatskyi

Terry is a reliable project manager with over 15 years in construction field, who has started his career of working in the trenches. Learn More About Terry Kobatskyi

Your house is one of the most precious possessions. It ensures the security of your loved ones. If your home’s foundation is weak, it may weaken your lifetime. Thus, it’s crucial to fix and revive the potency. If you’ve noticed several foundation cracks inside your house, there are odds of a critical issue with the base. In this circumstance, an underpinning basement foundation might be the solution to restore its potency. It is important to know why you need basement underpinning in your Toronto home.

What's Underpinning Basement Foundation?

Underpinning Toronto is a technical way of restoring the potency of this base. It features excavating sections beneath the existing floor and pouring concrete blocks underneath. The final result is a new base under the current foundation arrangement.

You can initiate underpinning in your home for some of the following reasons:

1. The foundation is weak.underpinning basement foundation toronto

2. Land subsidence has happened under the foundation.

3. Natural calamities have generated a motion from the construction of your residence.

4. You wish to include floors in the present structure.

5. You want to boost the height of the cellar and put it to use for lease purposes.

Factors to Consider Before Basement Underpinning

Planning to fortify your basement foundation with underpinning? Here’s what you need to consider:

  • Consult Trusted Professionals: Seek the expertise of certified underpinning contractors in Toronto for a reliable underpinning operation.
  • Evaluate Costs: Cost assessment is crucial before undertaking this significant procedure, generally considered expensive and a final resort for foundation repair.
  • Notify Your Insurer: Keep your home insurance company abreast from the start of your project.
  • Comply with Building Regulations: Double-check your underpinning plans for alignment with local building codes and secure necessary permits.
  • Prioritize Structural Safety: Devote time to assessing how underpinning could influence your house’s overall structural stability. Take professional advice from structural engineers for risk mitigation.

Remember, initiating underpinning without notifying your insurer may render your policy void, and you risk no coverage if there’s any accident. So, being well-informed is the key to a successful underpinning project.

The Underpinning Basement Construction Permit

If your underpinning contractors Toronto don’t obtain the construction permit required for underpinning, you can confront the next acute legal in addition to financial consequences:

1. Pay “work with no license” penalty;

2. Delay underpinning until the license is obtained;

3. Undo the job done.

Starting underpinning with no license can even affect the selling price of your property. It would be best to remind the builder to get construction permits in this case. Any house renovation job causes a hassle if you don’t take appropriate care. Therefore, underpinning is not any different, and you must stay cautious.

When it comes to underpinning in the Greater Toronto Area, Aquatech Waterproofing is one of the best for all homeowners. You may trust certified contractors for foundation repair. Call 416-300-2191 or chat with us online.

The Cost Of Underpinning In Toronto

In Toronto, the average cost of underpinning can range from $100 to $500 per square foot. For example, underpinning a small residential home can cost between $10,000 and $25,000, while a commercial building can cost upwards of $100,000.

Why Choose Aquatech Waterproofing For Basement Underpinning?

When it comes to basement underpinning, Aquatech Waterproofing stands out in the market on several fronts. Here are a few reasons that support their claim as top place to trust for your underpinning needs:

  • Exceptional Reputation: A solid track record backed by top-tier customer reviews. They take pride in the array of 5-star ratings, the highest online review score.
  • Competitive Pricing: Aquatech Waterproofing not only offers competitive rates but also commits to price matching, ensuring you get the best deal possible.
  • Lifetime Transferable Warranty: Enjoy long-term peace of mind with their lifetime transferable warranty, a testament to their confidence in their services.
  • Efficiency: Known for their swift project commencement, they can kick-off projects within a quick 4-5 day period upon receiving locates and essential underground utility and infrastructure information.

With Aquatech, you’re guaranteed quality services tailored to your specific needs!

Our Basement Underpinning Process

At Aquatech Waterproofing, we follow a thorough and methodical approach to underpinning your basement. Our process consists of the following key steps:

  1. Initial Inspection: We begin with a detailed inspection of your basement to identify any issues and the extent of the foundation work required. This helps us plan the underpinning layout.
  2. Obtaining Permits: Based on the inspection and layout planning, we proceed to secure the necessary construction permits. This step ensures legal compliance and safety of the project.
  3. Starting the Job: Once the permits are in place, our skilled team commences the actual underpinning. We work section by section, excavating underneath the existing footings and pouring concrete to make new foundation support.
  4. Monitoring and Adjustments: Throughout the process, our team continually monitors the structure ensuring stability and safety. We make adjustments as needed, maintaining the integrity of your home.
  1. Cleanup and Evaluation: Upon completion, we meticulously clean the site and conduct a final evaluation of the underpinning work. This ensures that the work meets our quality standards and your satisfaction.
  2. Post-Work Support: Our responsibility doesn’t end with the completion of the project. We provide a lifetime transferable warranty and are always available for any post-work support or queries you may have.

At Aquatech Waterproofing, we meticulously handle every stage of the underpinning process, ensuring you a seamless and stress-free experience.

How Can Basement Underpinning Be Used?

With Aquatech Waterproofing’s superior underpinning services, you can unlock the potential of your basement for a range of uses such as:

  • Guest Suite: A cozy space for your guests, ensuring their privacy during their stay.
  • Expanded Living Space: Add a new dimension to your home life with more room for family activities.
  • Nanny Suite: Provide a comfortable and private space for your kid’s caretaker.
  • In-Law Suite: Design a separate suite for your in-laws, providing them with a comfortable stay while maintaining privacy.
  • Basement Income Unit: Capitalize on your extra space by converting it into a rentable unit, a profitable investment.
  • Recreational & Entertainment Space: Create an amazing new area for relaxation, hobbies, and entertainment, elevating your lifestyle.

FAQs About Basement Underpinning


The duration of a basement underpinning project depends on the complexity and size of the job, but a general timeframe is around 3-4 weeks.

Yes, it’s possible through a process called benching. However, benching doesn’t provide as much space as underpinning and may not be suitable for all basements.

Underpinning offers more additional space and can add more value to your property than benching. However, it’s more expensive and complex. The best choice largely depends on your specific needs and circumstances.

Underpinning, if improperly done, can lead to structural instability, leading to potential damage to the property or even collapse. It’s crucial to use licensed professionals to avoid such risks.