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Interior Waterproofing in Toronto

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Interior Waterproofing In Toronto .

Interior basement waterproofing is an effective solution for preventing water from seeping into buildings in Toronto. By installing a drainage system and sump pump, water is redirected away from the foundation and out of the basement. This approach is less invasive and less costly than exterior waterproofing, making it a popular option for homeowners. However, it may not be effective for severe water damage cases or issues caused by exterior foundation problems.

Residential Interior Waterproofing in Toronto .

Client Challenge:

A homeowner in Toronto was facing persistent issues with dampness and water seepage in their basement walls, leading to concerns about structural integrity, potential mold growth, and air quality deterioration. Seeking a lasting solution, they reached out for professional assistance.

Our Solution:

To address these concerns effectively, we proposed a comprehensive interior waterproofing strategy specifically designed to combat moisture intrusion and protect the home’s lower level.

Execution Steps:

  • Initial Assessment: Our team started with a thorough inspection of the basement to assess the extent of water damage and identify primary moisture ingress points. This allowed us to tailor our approach to the specific needs of the property.
  • Installation of Water Barriers: We installed high-quality, resilient water barriers on the interior surfaces of the basement walls to prevent external moisture from permeating through.
  • Sealing Cracks and Joints: All discovered cracks and potential entry points for water were meticulously sealed using hydrophobic sealants, ensuring a watertight basement.
  • Internal Drainage System: To manage and redirect any internal moisture accumulation, we integrated a French drain system at the perimeter of the basement floor. This system collects and directs water into a newly installed sump pump for effective removal.
  • Sump Pump Installation: A sump pump was installed to actively eject collected water from the basement, ensuring the space remains dry and free from standing water.
  • Dehumidification: To maintain a dry environment and improve air quality, a powerful dehumidifier was set up to continuously manage moisture levels within the space.

Challenges and Resolutions:

Navigating the tight spaces and existing infrastructure in the basement posed challenges, particularly with the installation of the drainage system. We overcame this by using flexible piping and custom-fitting components to ensure a seamless fit that did not disrupt the home’s foundation.


The comprehensive interior waterproofing was successfully implemented, effectively eliminating issues of dampness and water seepage. The homeowner was greatly relieved and satisfied with the transformation, appreciating the attention to detail and the proactive measures taken to enhance their basement’s usability and healthiness. 

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