wal-tech well exceeded my expectations. They responded in a quick and professional manner to deal…read morewith the crack I had in my foundation. They were recommended to me before the repair and I would strongly recommend them to any family or friends. The price was also lower than all the other estimates and comes with a 15 year warranty! -Dave

Had the inside basement waterproofing system installed after finding water after a big rain in the…read morespring. John was thorough in is quote and explained what was needed and gave me a reasonable start time. John and the boys were beyond professional and efficient. I appreciated John's ability to communicate before and during the job. Worth every penny and now I can confidently start my basement renovation.

If you need any kind of foundation work done in the Kitchener/Waterloo/Cambridge area, call Shevon…read morefirst!! He is your man and will get the job done right!! Couldn't be happier with his service and workmanship! We had some water in the basement and we are getting ready to sell our home. Shevon came and took care of the problem quickly and professionally. Now I can put the house on the market with peace of mind! Thanks Shevon!!! Dan Reese Rosemount area of Kitchener, ON

From the owner: Wet basement repairs. Fixed from the outside or in depending on the situation. Window wells,…read moreenlarge windows, sump pump packages, French drainage systems. etc

Excellent customer service, great communication, fair pricing, and a job very well done. Highly…read morerecommend them!

Work was done on schedule and as discussed. Work also includes a transferable warranty. I would…read morerecommend this business.

My house had multiple foundation leaks when i bought it in 2017. Bondseal injected the cracks and…read moresealed the outter wall and i have had a dry basement ever since. I was happy with the result. Of the quotes i received Bondseal also has the best price. ​

John did a job for me last fall. It took longer than expected but there was alot of work involved…read morebecause he had to erect a new wall and redoe the sump pump room and put in a o-ring along one side of the basement. After everything was done he came back to fix a spot that was still leaking when I called and told him about it.

We've used them for a number of projects such as installation of a sump pump, service of same, etc…read more The deal is that the warranty is protected if you have them do annual service. We haven't had to test that theory yet, but I hope that they are true to their word because the annual service charge is $180. No significant problems with water in the basement since we had the work done. Work was done on time, for the agreed-upon price.

From the owner: Advanced Basement Systems provides basement waterproofing, crawl space repair, radon mitigation,…read moreand foundation repair to homeowners in Southwestern Ontario. Our expertly trained and courteous technicians only install permanent, warrantied systems to fix your basement or foundation. We serve homeowners and businesses in Chatham, London, Sarnia, Windsor and the surrounding area. Call us today for a free home inspection and no-obligation, estimate.

Mike came out to give us a quote for foundation repair and I wanted to recognize how great he was…read moreto work with. He was extremely professional, knowledgeable, and honest throughout the entire process. He took the time to thoroughly explain everything, answer our questions, and never made us feel pressured. It's clear he genuinely cares about helping people and takes pride in his work. We really appreciated his time and expertise, and I would absolutely recommend him to anyone needing foundation repair services.

We have an older home that needed crawl space repair. Other companies we called told us that our…read morecrawl space was too small to get into. Calculus was not only able to encapsulate the crawl space, but create an opening to the old one. All work was done quickly and professionally.

We had our chimney repaired and sealed by Dowling General Construction. They did a thorough job of…read morerepairing and sealing. They were very professional and explained their work in a way that we could understand. They cleaned their work area so that I had no worries about any hazardous bits left behind. All the workers were pleasant and attentive to their work. I have never seen such attention to detail. I definitely trust in the work that was completed and feel that I definitely got my money's worth. Thank you so much to Fred and his team for the excellent work!

I was very happy with all the work done on my house. The team was professional in every aspect. I…read morewas particularly pleased with how the front part of my house matched its original look. They set up scaffolding at the rear window to grind and replace several cracked reclaimed bricks with nearly identical ones. I am delighted with the final result. Fred's quote matched the amount I paid when the job was completed.