Basement Waterproofing Toronto & GTA
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Trouble With a Leaky and Wet Basement?
In the past, basements were typically not considered a significant selling point; they were often seen as little more than crawl spaces or laundry areas, and thus could be overlooked or neglected. However, over time, if water accumulates in your basement, it can lead to the development of multiple cracks and holes in the walls, resulting in water leakage during rainy seasons. Basement walls are subjected to significant stress due to changing weather conditions and continuous hydrostatic pressure, which can slowly cause cracks to form. Without adequate foundation waterproofing, basement walls are at risk of leaking during a rainy season.
Damp basements are also an invitation for mould and mildew to flourish. Mould and mildew are serious health hazards that can create a musty smell in your basement. People lose valuable items during basement flooding, rendering the basement practically unusable. If your basement does not have a proper waterproofing system, we highly recommend getting a professional quote for Toronto basement waterproofing from experts like GJ MacRae.
Expert Basement Waterproofing Services Toronto
GJ MacRae Foundation Repair is one of Toronto’s most renowned names for basement waterproofing. We have served the Greater Toronto Area, Hamilton, Etobicoke, Mississauga, Toronto, Oakville, Burlington, Milton, Georgetown, and surrounding areas since 1975. With almost five decades of experience, we have served over 10,000+ customers. These numbers speak for themselves and have been backed by our quality service. We are a completely family-owned, Toronto-based basement waterproofing company, currently in its second generation, and we take great pride in our work. The quality of our service is second to none, and we can guarantee that.
We also offer a transferable 15-year warranty for all our services, and our highly experienced staff and cutting-edge repair methods are second to none. For the finest basement waterproofing service in Toronto and the GTA (yes, even during the winter), call us today at (905) 824-2557
Benefits of a Dry Basement
What does a dry basement mean to you? A healthy, dry, livable, mould/mildew free, musty smell free, usable space? On top of that, a dry basement also promotes a healthy long-term structure and foundation. Let’s discuss the benefits of a dry basement:

Get More Livable Space
What's good about a wet basement? Nothing! A dry basement opens up many possibilities and translates to more livable space in your home. You can use the basement as a movie room, a game room, a gym, a bedroom, or an apartment.

Peace of Mind
We have a lot on our minds, and a leaky basement should not be one of those things. You should be able to check off a leaky basement from your list of troubles during the rainy season. Get interior basement waterproofing services from GJ MacRae, and be assured that your basement is dry and won’t damage all your valuables during the rainy season.

Stronger Foundation Support
Waterproofing your basement walls ensures your walls are dry and do not have to endure water damage. Also, the hydrostatic pressure is highly reduced with a waterproofing system installed around your basement walls. Any holes or cracks in your basement walls are fixed during basement waterproofing. This promotes a damage-free and strong foundation wall. A stronger foundation means more robust support for your house.

Higher Selling Price
In addition to the previously mentioned benefits, there's one more advantage you can enjoy while residing in your home: the added value when selling it. A dry, usable basement is highly sought after in today's market, and every prospective buyer will value a sturdy basement foundation that offers extra livable space. By investing in basement waterproofing now, you can reap these benefits while you live in the home and also when it comes time to sell.

Get Rid of That Musty Smell
A wet basement only invites trouble. Mould and mildew is a byproduct of basement leaks, but a dry basement means that your walls are mould and mildew free. A consistently damp and musty wet basement not only produces unpleasant odors but also poses significant health risks. Exterior basement waterproofing prevents water from entering through your foundation walls, while interior waterproofing addresses any additional leakage issues if there are external access concerns.
8-Step Basement Waterproofing Process:
01
The very first step is to locate the cracks in the foundation walls. We then set up tarps and begin hand excavation down to the footings. Going to the bottom of the footings is essential to completely repair the cracking.
02
We then clean the exposed walls with a wire brush and chisel out the cracks, allowing the quick setting of the hydraulic cement applied to the cracks with a trowel.
03
After the hydraulic cement is set, we apply a layer of quick-drying primer to the exposed walls. The purpose of this primer is to enhance the adhesion for our next step in basement waterproofing.
04
A special rubberized membrane is applied to the entire wall using a trowel. This rubberized membrane is impenetrable to water, air, or moisture. A layer of fiberglass mesh is also applied to provide flexibility to the membrane while keeping its integrity. Another layer of rubberized membrane is applied over the top, creating a double coat and extra protection.
05
While the patch is still tacky, we install a layer of thick plastic on the surface of the rubberized membrane. We have installed drainage boards on top of all our waterproofing layers. This acts as an additional layer that prevents water from getting into the foundation walls and as a shield for the membrane against power tamping during backfilling. These boards help against hydrostatic pressure and also help to redirect large volumes of water to the weeping tiles below.
06
07
Now, we start the backfilling process. We first like to fill the top and around the weeping tile system with clear gravel to ensure consistent and rapid drainage. After that, the native soil is poured back. We power tamp the soil every 6″ -12″ inches. This ensures that our membranes and drainage board are locked and restores the original grading.
08
A termination strip is attached to the top of the drainage board to ensure that the strip does not separate from the board. The entire repair area is washed and swept.
Why Choose GJ MacRae?
- Highest Rated Customer Service: Customer satisfaction is our primary goal. We will work with you closely to understand your needs and provide the best solution to your foundation repair project.
- Comprehensive Services: With GJ MacRae, homeowners can find all foundation repair solutions under one roof. From foundation crack repair to exterior waterproofing and weeping tile installations, we have the expertise and resources to address your complete waterproofing needs from start to finish.
- Extensive Experience: With nearly 50 years of experience in the industry, GJ MacRae is known for delivering quality, long-term basement waterproofing solutions while tackling even the most challenging waterproofing projects with confidence and expertise.
Protect Your Foundation
- Competitive Pricing: GJ MacRae offers competitive basement waterproofing services without compromising quality. We provide transparent, fair quotes that ensure homeowners receive the best long-term value.
- Quality Materials: GJ MacRae uses high-quality repair materials combined with the latest waterproofing techniques, and we are experts in all phases of basement waterproofing. Plus, we offer innovative solutions that guarantee long-lasting protection against water infiltration.
- Protect Your Investment: When protecting your foundation walls and basement from water damage, choosing GJ MacRae Foundation Repair for basement waterproofing in Toronto ensures you receive the highest quality repair solution to safeguard your foundation long-term.
Some Kind Words From Our Customers
Posted on Google![]()
A D44 days agoTrustindex verifies that the original source of the review is Google.
Going thru some old files for my rental property, I discovered a contract which Gavin had signed in Jan 2007 to repair a foundation leak in my basement. This leak had been 'fixed' multiple times by others using epoxy. Gavin explained that the only sure way to fix the leak once and for all, was to dig down to the foundation from the outside to seal the cracks, plus provide a waterproof barrier against the wall. The work was done excellently and came with a 15 year warranty. It has been 19 years and no leaks have occurred. If you want a basement leak fixed right the first time, then contact GJ MacRae Foundation Repair. Highly recommended.Posted on Google![]()
Bob Fuller46 days agoTrustindex verifies that the original source of the review is Google.
Dean and his team did a highly professional repair to our foundation. We needed expediency and Dean ensured we were taken care of.Posted on Google![]()
Diane Prest131 days agoTrustindex verifies that the original source of the review is Google.
Today Gavin MacRae did thorough inspection of 2 sump pumps & battery backups which he installed in 2018 - both systems still performing well. Prior to 2018 MacRae Foundation did extensive foundation/waterproofing for us - quality of workmanship excellent. Without hesitation, strongly recommend MacRae Foundation.Posted on Google![]()
Liza McIntyre195 days agoTrustindex verifies that the original source of the review is Google.
GJ MacRae provided us with interior and exterior waterproofing, as well as the installation of a sump pump. From start to finish , they were professional, courteous, on time and budget. Their customer service is exceptional and I’ve recommended their services to friends and neighbours without hesitation. L. McIntyrePosted on Google![]()
chad youden238 days agoTrustindex verifies that the original source of the review is Google.
I can’t say enough about GJ macrae. This company truly does go above and beyond for their clients. Extremely professional and clean work, done properly!! I will not hesitate to tell all my family and friends if they ever have a foundation leak or wet basement to call this company. Thank you again GJ macrae for helping me and my family!Posted on Google![]()
Gabhan Chalmers316 days agoTrustindex verifies that the original source of the review is Google.
We had a difficult project requiring excavation, waterproofing, and installing a sump pump on a 130 year old house, and GJ MacRae did an amazing and very thorough job. They went above and beyond to repair the foundation that had started to deteriorate as well. Very professional and high quality work. I'd definitely recommend this company!Posted on Google![]()
Rob Fratric462 days agoTrustindex verifies that the original source of the review is Google.
Great job. Fast response to inquiries, job done fast and professionally. Put everything around the area back in place to the point where you wouldn't even know any work was done afterwards. Would 100% recommend calling them if you have a foundation repair issue.Posted on Google![]()
LC505 days agoTrustindex verifies that the original source of the review is Google.
Let's just say that there aren't many companies of this calibre around these days. We've been dealing with GJ MacRae for the last seven years for everything sump pump related. Seven years ago the fine folks at GJ MacRae came in and replaced our existing sump with a modern unit complete with a marine battery backup and secondary pump. We have a ton of ground water around here and when it rains our sump fires non stop. Everything has been perfect and when it came time to service our system seven years in, GJ MacRae was all over it. Exceptional service, communication price and product. It's rare to see all 3 these days. Thanks for everything Gavin.Posted on Google![]()
Jeff S531 days agoTrustindex verifies that the original source of the review is Google.
Gavin of GJ MacRae and his team did an amazing, quick and clean installation of a sump pump in our basement! I was very impressed with every aspect, from communication, to timing, to the finished product! Absolutely would recommend them! Thanks Gavin!Posted on Google![]()
Dave Frei547 days agoTrustindex verifies that the original source of the review is Google.
When you are doing a large scale project like ours (basement dig, under pin, beam replacement and waterproofing), you need an expert team like GJ MacRae. They have the experience and the know-how to give you peace of mind that the job is being done right the first time. Gavin and his team showed up on time every day with a plan and executed it with precision! These guys are the best in the business!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
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We genuinely want each step of your journey (from the very first Google search to a leak-free basement) to be positive!
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Utilize Your Dry Basement to the Fullest
A dry basement is full of possibilities. Basements are no longer crawl spaces and can serve a greater purpose. Get creative with your basement and transform that space into your gym, study room, game room, or anything you like. But first, you must have a dry basement.
Need a dry basement? GJ MacRae, the finest basement waterproofing company in Toronto, is here to help. Give us a call or fill out the form below, and our team will inspect your basement situation and provide the ideal basement waterproofing solution. Feel free to contact us at (905) 824-2557 or complete the form below.
Our Service Areas
At GJ MacRae, we take pride in extending our services across the GTA to meet our valued customers’ unique needs, and our dedicated team is committed to delivering top-notch solutions all year long. Our expansive service areas are a testament to our unwavering commitment to the highest quality foundation repair services and customer satisfaction in the GTA.
Schedule a Free Consultation Today
Fill out our request form and we will contact you as soon as possible for a free foundation repair consultation!
Frequently Asked Questions
Waterproofing a basement prevents water from entering a building or home’s basement foundation wall or crawl space. It is crucial because water damage can result from structural issues, mold development, and health risks.
Heavy rain or snow, poor grading, blocked gutters or downspouts, foundation cracks, and hydrostatic pressure are typical causes of basement water damage.
Mold development, musty smells, moist walls or flooring, water stains, water pooling, and mold indicate a wet basement. If you see any of these symptoms, your basement may require waterproofing.
Interior and exterior waterproofing are the primary repair techniques that may be used during foundation repair. Exterior waterproofing entails placing a rubberized membrane on the outside of the foundation walls, and interior waterproofing entails installing a drainage system and sump pump inside the basement. To move water away from the home, exterior French drain installations may entail constructing a perforated pipe around the foundation perimeter.
Even though there are some DIY basement waterproofing kits on the market, it is often advised that you employ a professional to ensure the job is done correctly and prevent any potential mistakes that might lead to more water damage.
The basement’s size, condition, and waterproofing technique can all affect how long and how much it will cost to waterproof a basement. If you want a more precise estimate, it is advisable to contact a specialist.
Depending on the contractor, different waterproofing services may have a warranty or guarantee. When choosing a contractor, it’s crucial to inquire about warranties or guarantees and to check the fine print before signing any contracts.
Yes, by preventing possible water damage and mold development, which may be expensive to fix, basement waterproofing can raise the value of your property.
Expert Waterproofing Services for Your Home
GJ MacRae Foundation Repair has been the industry leader for reliable basement waterproofing in the Greater Toronto Area Since 1975. Nearly five decades of experience inform our proven multi-stage repair process based on below-grade drainage considerations that allow us to waterproof concrete blocks, poured walls, and stone rubble foundation walls properly for the long term. Our repair solutions for leaking foundation cracks include using bitumen-based barrier membranes and high-efficiency weeping tile systems, which give us the edge in reliability and allow for the most robust foundation repair warranty available today in the GTA. Experience the GJ MacRae difference for year-round basement leak repairs in Toronto, Oakville, Mississauga, Burlington, Hamilton, Milton, and Georgetown. If you spot cracked foundation walls, leaky foundations, or any other basement waterproofing issues in your house, reach out and call us today at (905) 824-2557.



