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AJ's Contracting & Rentals - Thunder Bay Waterproofing Service

Thunder Bay Renovation Contractors
Ranked #8 in Thunder Bay | Grade C+
4.90 (22 reviews)

AJ's Contracting & Rentals - Thunder Bay Waterproofing Service

AJ's Contracting & Rentals focuses on practical waterproofing and renovation work tailored to Thunder Bay’s climate and soil conditions. The company coordinates assessments and repairs with clear, written estimates and maintains tidy sites throughout the project.

Why Homeowners Choose This Business

Local presence in Thunder Bay, responsive scheduling, and clear estimates make it easier to plan repairs or upgrades. Consistent reviews note dependable communication and results-focused work.

Service Area

Based at 2627 Oliver Rd, Thunder Bay, ON P7G 1R8, serving Thunder Bay and surrounding communities in Northwestern Ontario.


How This Business Compares

A quick local comparison based on ranking, review strength, and market visibility.
  • Shows review activity that is competitive for this local market.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Renovation Services
  Service
  Basement waterproofing
  Foundation crack repair
  Sump pump installation
  French drain installation
  Exterior waterproofing
  Interior weeping tile
  Basement leak repair
  Crawl space moisture control
  Egress window drainage
  Concrete sealing
  Drainage grading

Services commonly include interior and exterior waterproofing, basement leak investigations, crack repair, sump pump and drainage improvements, minor foundation repair, and general interior/exterior renovations.


Recent Reviews

4.90

(Based on 22 reviews)

Customers on Google report a 4.9 average rating across 22+ reviews, highlighting timely responses, clear explanations, and solid workmanship.

Contacted Andrew last night to inquire about having some snow relocated to another area of our property. He responded immediately and today {Monday) he came to our home with his operator and front end loader. Jamie did the best job in digging us out and was a lot of work. Thank you Andrew and Jamie for probably the quickest response time and best job. Will definitely hire again. If you are requiring their snow service at very reasonable rates I highly recommend.

Great work done today. Fixed our back yard and fence perfectly. Great and experienced team, we are very satisfied! Thank You.

I’m very impressed with the foundation repair work done by Andrew and his hardworking team. They installed a blue skin foundation membrane, added insulation, and connected the weeping tile to my sump pit to ensure long-lasting protection against leaks and water damage. They walked me through each step of the process, explaining the importance of everything they did to prevent future issues. Their expertise and attention to detail were clear throughout, and the peace of mind I now have knowing my foundation is secure is well worth the investment. I highly recommend their services!

We had a fence built by AJS and they did a great job. Stood by their quote even after encountering some large boulders that required extra time and resources. Very happy with the finished product, would certainly use them again ??

This team built me a beautiful fence for my front yard, removed my hedges (& disposed of them) and built a gate/door for easy access. They were here early everyday, worked hard all day long and got it done in no time! I would definitely refer them to friends/family as they took a big job off my plate and got it done beautifully :) thanks so much!!



Frequently Asked Questions

Typical work includes interior and exterior waterproofing, crack sealing, and drainage and sump pump improvements. Scope is confirmed after a site visit so recommendations match the conditions of your home.

A technician inspects interior walls, exterior grading, and drainage paths, then checks for cracks or hydrostatic pressure issues. Findings are explained on-site with repair options and a written estimate.

Temporary measures can often control active water so repairs can proceed safely. The long-term fix is designed to address the cause, such as drainage, cracks, or foundation entry points.

Smaller crack repairs may finish in a day, while more involved drainage or exterior work can take several days depending on access and weather. Timelines are reviewed with you before work begins.

Yes, estimates are provided after assessment so scope and pricing are clear. If project details change on site, updates are discussed and approved before proceeding.
 Verified Listing

Opening Hours


  • Monday 7:00 AM – 7:00 PM
  • Tuesday 7:00 AM – 7:00 PM
  • Wednesday 7:00 AM – 7:00 PM
  • Thursday 7:00 AM – 7:00 PM
  • Friday 7:00 AM – 7:00 PM
  • Saturday 7:00 AM – 7:00 PM
  • Sunday 7:00 AM – 7:00 PM

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Business Details


Business Rating
4.90 (22 reviews) Pro Business
Address
2627 Oliver Rd, Thunder Bay, ON P7G 1R8, Canada, Thunder Bay, ON P7G 1R8, CA
Business Type
service

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