Permanent waterproofing and foundation repair—fixed right the first time in London & area.
A1 Waterproofing is built on a simple promise: we fix it once, and we fix it right. From interior and exterior waterproofing to complete foundation repair, our team brings the skill and discipline to stop leaks and restore strength to your home. Backed by proven systems and a no-shortcuts approach, we deliver permanent solutions homeowners can count on.
OUR SERVICES
Basement waterproofing is one of the most important repairs and a must-do if you want to guarantee your basement stays waterproof.
Commercial waterproofing requires precision and long-term performance. We work with property managers, contractors, and developers to protect buildings from water damage and prevent costly repairs.
Below-Grade Waterproofing
Underslab & Blindside Systems
Fluid & Sheet Membrane Applications
Foundation & Structural Waterproofing
Drainage & Water Management
Proper drainage is critical to preventing water buildup and protecting your property. We provide reliable drainage systems designed to redirect water away from foundations and eliminate moisture issues at the source.
French Drains
Weeping Tile Systems
Yard & Surface Drainage
Downspout Extensions
Swale & Grading Solutions
Drain Repair & Replacement
A1 Waterproofing is Canadian owned family operated company that has been waterproofing homes throughout London & surrounding for 14 years. At the forefront of our operation is our team of professionals; that share the same commitment to excellence and dedication to providing you, our customer the best value on your investment.
A1s reputation as a trustworthy and reliable basement waterproofing & foundation repair contractor reflects our dedication to these core values
This isnt just something we do, its something we believe in.
When quoting an exterior waterproofing repair there are many factors to consider when pricing takes place.
Things such as proximity to other homes or obstacles, underground services such as gas or hydro & soil type to mention a few.
On average a homeowner should expect to pay between $75 – $125 a linear foot for exterior waterproofing.
Interior waterproofing is cheaper and sometimes less evasive but unlike exterior waterproofing, which prevents water from coming in contact with the foundation it acts as a corrective method that manages water that has already entered a basement.
Cost typically range between $60 and $100 per linear foot.
When we repair foundation cracks, we don’t mess around, upholding a rigorous standard of quality in our crack repair services. Whether performed by hand on the exterior of the home or done from the inside, we guarantee results or your repair cost is fully refunded.
Interior Vertical Crack Repairs range from $600 – $800
Exterior Vertical Crack Repairs range from: Contact us for options & pricing.
The size and type of drain, where it will be install as well as the obstacles that may be encountered determine the cost.
You can expect to pay from $50 – $100 linear foot.
At A1 we understand that water can wreak havoc in a short amount of time and thats why if your issue is urgent we work extra hard to provide solutions within 48hrs
A1 is so dedicated to providing their customers with the very best service we won’t ask for any form of payment until your satisfied with the work completed
We are so confident with our quality of workmanship that we wont ask you for payment until your satisfied with the work completed.
At A1 we understand that water can wreak havoc in a short amount of time and thats why if your issue is urgent we work extra hard to provide solutions within 48hrs.
A1 is so dedicated to providing their customers with the very best service we won’t ask for any form of payment until your satisfied with the work completed
You can rest assured that we are so confident with our quality of workmanship that we wont ask you for payment until your satisfied with the work completed.
Trustindex verifies that the original source of the review is Google. Posted on Dougie FrancisTrustindex verifies that the original source of the review is Google. A1 Waterproofing truly exceeded my expectations. From the first contact to the completion of the job, everything was smooth and professional. The team was punctual, knowledgeable, and took time to explain each step clearly. The work was done with great attention to detail and the quality speaks for itself. If you’re looking for reliable waterproofing services, I highly recommend A1 Waterproofing!Posted on Chukwuemeka Joseph EzepueTrustindex verifies that the original source of the review is Google. We had a great experience with A1 Waterproofing. They had someone out for an estimate within a day, and after comparing prices we went with A1 because everything was explained clearly and the price was fair. Once the work started, the crew was always super polite and had great attitudes considering how tough the work was. The whole experience was smooth and we felt completely confident in the work they completed. They also kept the space really tidy while working and cleaned up well when they left, which my wife seriously appreciated. Overall, a great experience and I would definitely recommend A1 WaterproofingPosted on Brian S.Trustindex verifies that the original source of the review is Google. A1 waterproofing out for reliability and clear documentation. great company for complex jobs.Posted on Don AlvinTrustindex verifies that the original source of the review is Google. Great communication from start to finish. The crew was respectful of our property and left everything tidy. A few days late starting, but worth the wait.Posted on Mervin PhillipTrustindex verifies that the original source of the review is Google. Joel did an amazing job, very thorough and cleanup was spotless. Highly recommend.Posted on Doug FletcherTrustindex verifies that the original source of the review is Google. The gentlemen who arrived to complete the repair of the foundation crack, inside and out, were professional, showed me the completed work, and cleaned up the work site to our satisfaction. We would recommend this company.Posted on Deanna KosterTrustindex verifies that the original source of the review is Google. Professional, prompt, and clean. The A1 Waterproofing team handled a foundation leak in our basement, and we’ve had zero issues since. Highly recommend!Posted on angel rosalesGoogle rating score: 4.5 of 5, based on 85 reviews