Basement Waterproofing Mississauga
Aquamaster Drain, Plumbing & Waterproofing Inc.
Got a Wet or Leaky Basement in Mississauga?
We fix basement leaks, cracks, and moisture problems with proven waterproofing solutions in Mississauga built to last.
Aquamaster - Basement Waterproofing Experts in Mississauga
A wet basement can lead to serious structural issues, mold growth, and costly repairs. At Aquamaster, we specialize in basement waterproofing in Mississauga, helping homeowners in Port Credit, Streetsville, Clarkson, Erin Mills, Meadowvale, Lorne Park, Cooksville, and nearby communities protect their properties from leaks, floods, and foundation damage. With over 16 years of experience and a proven track record, we provide reliable waterproofing services designed for Mississauga homes.
Licensed and Insured Professionals – Every job is completed by certified plumbers and waterproofing contractors who are experienced in wet basement repair near you.
Master Plumber License: 2026 005140 TM
Plumbing Contractor License: 2026 005145 TC
25 Year Warranty – We support our work with one of the strongest warranties in the industry, offering a full 25 year transferable guarantee.
Trusted Mississauga Basement Waterproofing Experts – With over 15 years of experience, we understand the common causes of basement leaks and repairs in this area.
Advanced Waterproofing Materials – We use durable, proven waterproofing products that help protect your home and improve the performance of your waterproofing system.
Whether you need exterior waterproofing or full basement protection, Aquamaster has the skill and knowledge to keep your home dry and secure.
Our Basement Waterproofing Services in Mississauga
Our services cater to all your basement waterproofing needs. We use tried-and-true techniques to keep water out of your basement. The measures we take to protect your basement walls, floors, and ceiling ensure that nothing catches you by surprise. We’ll help you protect your home, prevent leaks, and extend the life of your foundation. Finish your basement with confidence with the help of experienced waterproofing contractors at Aquamaster.
Exterior Basement Waterproofing Mississauga
Exterior waterproofing prevents water from entering your Mississauga basement by targeting it at the source. We excavate around the foundation, repair cracks, apply waterproof membranes, install weeping tiles or drainage boards, and backfill the area. This method protects your basement walls and foundation from ongoing moisture and structural issues.
Exterior Waterproofing Cost in Mississauga – from $85 per linear foot
Interior Basement Waterproofing Mississauga
Interior waterproofing addresses water problems originating from within your basement, such as leaky pipes or pipe bursts. This involves installing an efficient drainage system, a sump pump to pump water out of the basement, and sealing cracks in the walls and floors of your basement to keep water from seeping in. We also apply a waterproof sealant to the walls and floor for added reinforcement.
Interior Waterproofing Cost in Mississauga – from $65 per linear foot
Basement Leak Repair Mississauga
Leaks are one of the most common issues homeowners encounter in their basements. Water damage can be costly and threaten the integrity of your foundation. We promptly address leaks by sealing cracks, repairing broken pipes, applying waterproof sealants, and installing drainage systems to waterproof your basement.
The typical cost for basement leak repair in Mississauga ranges from $500 to $1,500 CAD
Window Well Installation Mississauga
It’s essential to ensure that window wells are installed properly and in accordance with regulations and codes. Window wells collect and drain water when it rains or snows. This is recommended for windows that are fully or partially below grade/ground level and serve as an emergency exit. For effective waterproofing, we excavate the area around the window and install a barrier and drainage system. Our window well installation services are guaranteed to improve drainage around the window, preventing water from seeping in.
Window Well Installation Cost in Mississauga – from $350 per unit
Weeping Tile Installation Mississauga
This is one of the most requested Mississauga services because it effectively diverts water away from your foundation. It is also cost-effective. This waterproofing technique requires careful installation. We offer interior and exterior weeping tile installation. Beginning with the excavation, we dig a trench around the perimeter of your foundation. Then we fill the trench with gravel so that the weeping tiles can be placed on it and install perforated pipes with a sloping gradient so water flows away from the area of concern.
Weeping Tile Installation Cost in Mississauga – from $30 per linear foot
Sump Pump Installation and Repair Mississauga
Mississauga homes are no strangers to water buildup during spring melts and heavy rainfalls. Without a working sump pump, water can quickly pool and seep into your basement, causing structural damage and expensive repairs. A professionally installed sump pump redirects water away from your home before it becomes a problem, keeping your basement dry and protected.
Sump Pump Installation and Repair Cost in Mississauga – from $700–$4500+ per each
Need Help With a Wet Basement in Mississauga?
There is every reason to have your basement waterproofing handled by Aquamaster Plumbing. We’ve stayed true to our values and mission as a company to provide outstanding services you can count on. The thousands of happy customers we’ve had over the years are a testament to the quality of our work. We are highly rated because we pay attention to detail and use quality products. Our services are affordable and available 24/7 for emergency waterproofing and plumbing needs. Get your free on-site service estimate to learn the cost of waterproofing your basement.Unparalleled quality service, 25 years warranty, all available today with 10% off. Contact us today!
Foundation Repair Services
The integrity of your home’s foundation can become compromised by poor construction, water damage caused by inadequate waterproofing, or other environmental issues. Sometimes, the settling or shifting of the foundation or ground occurs and must be addressed as soon as possible. Our goal is to provide reliable foundation waterproofing services to Mississauga homeowners using industry-approved methods. Our foundation waterproofing services Include: crack injection using epoxy or polyurethane, carbon fiber strap reinforcement for bowed walls, helical or push pier installation for settling foundations, wall bracing and stabilization, concrete leveling, and slab lifting, repointing and parging repairs. Discover more foundation repairs in Mississauga we offer:
Basement Underpinning Mississauga
A key technique in waterproofing is underpinning because it addresses structural issues like cracks in your foundation. This reinforces your foundation, corrects structural issues, and can also be used to create more space. Basement underpinning also increases your home’s load capacity, which is helpful if you plan to add a second story.
Basement Underpinning Cost in Mississauga – from $80 per sq ft
Bench Footing Mississauga
If you’re looking to increase basement height but need a more cost-effective option than underpinning, bench footing in Mississauga might be the right choice. This technique involves constructing a concrete bench or ledge inside the basement along the perimeter walls, allowing the floor to be lowered without disturbing the existing foundation.While it does reduce some floor space, bench footing provides solid structural support and is a smart alternative for homes with unstable soil conditions or limited budgets where full underpinning isn’t ideal.
Bench Footing Cost in Mississauga – from $100 per linear foot
Basement Wall Crack Repair Mississauga
Cracks in your basement walls are more than cosmetic—they’re a sign that your foundation may be shifting or that water is finding its way in. Left untreated, these cracks can lead to moisture problems, mold, and costly repairs down the line. Our basement wall crack repair services in Mississauga offer permanent protection against leaks and long-term damage. We use high-grade epoxy and polyurethane injections to seal interior cracks and stop water seepage. For more severe structural issues, we reinforce the affected areas with carbon fiber straps and other advanced techniques to ensure lasting stability.
Basement Wall Crack Repair Cost in Mississauga – inside from $600+ / outside from $1,800+ per crack
Aquamaster Basement Waterproofing Process
Free Basement Inspection
We start with a thorough inspection of your basement to find where water is getting in, checking for cracks, leaks, and drainage issues. Our team explains what we find so you know exactly what needs fixing.
Detailed Project Agreement
After the basement inspection, we will send you a clear agreement outlining the recommended basement waterproofing plan, timeline, and costs. We answer your questions upfront so you know what to expect before we start waterproofing your basement.
Basement Waterproofing
Once approved, we repair cracks, install waterproof membranes, replace or install weeping tile drainage, and backfill carefully. We test everything to ensure your basement stays dry, then leave your property clean — all backed by our 25-year transferable warranty.
Our Featured Basement Waterproofing Projects in Mississauga
Our team is capable of tackling any wet basement issue. We’re proud to showcase some of the Mississauga waterproofing projects we’ve completed over the years. With each one, we investigated the cause of the problem and determined how best to resolve it. The photos below prove that nothing is beyond our scope of expertise. No two basements are the same, so we don’t provide cookie-cutter solutions. Each project is unique.
Only 5-Star Reviews from
More Than 100 Happy Customers in Mississauga
Why Choose Aquamaster Basement Waterproofing?
Warranty
We mean it when we say your satisfaction is our top concern. It’s essential to us that we offer long-lasting waterproofing to keep your Mississauga basement protected from moisture damage. We’re so confident in our ability to provide sound waterproofing that we offer a 25-year transferable warranty on materials and labour. This means that if you sell your home, the warranty can be transferred, protecting the home.
All the professionals on our team are fully licensed and insured. This gives you the assurance that you’re working with the right contractors, and that all work completed is in compliance with safety standards and local building codes.
We continue to build on our knowledge and experience so we’re able to resolve a wide range of issues and know how to adapt to different challenges. In the 15+ years of providing quality waterproofing in Mississauga and beyond, we’ve encountered many complex issues and addressed each one with durable solutions.
We firmly believe that good waterproofing services in Mississauga shouldn’t cost you an arm and a leg. Our basement waterproofing services are affordable, and we find ways to ensure that you don’t spend any more money than you need to. We have a special offer for our first-time customers who receive 10% off their first service.
We know that leaks and plumbing issues can happen at any time. This is why we offer reliable plumbing and waterproofing services you can call on day or night. We have expert plumbers in Mississauga who are just a call away and available to address any emergency plumbing issues you have.
Our team is dedicated to providing durable materials for best results. We know the difference that material quality makes. Trust us to always use waterproofing products that meet industry standards and provide long-lasting protection against water damage.
What are the Benefits of Basement Waterproofing in Mississauga?
Basement waterproofing helps protect the parts of your home most affected by ongoing leaks and groundwater pressure. By addressing foundation cracks, drainage problems, and water entry points, a properly designed system can:
- Reduce water seepage and damage to basement walls, floors, and finished materials
- Limit damp conditions that may contribute to mould, mildew, and musty odours
- Protect the foundation from prolonged contact with groundwater
- Make it safer to finish or use the basement for storage or living space
- Help preserve the home’s condition and appeal to future buyers
The right waterproofing method depends on where the water is entering and what is causing it. A basement inspection can identify whether the home needs crack repair, improved drainage, a sump pump, or an interior or exterior waterproofing system.
Signs That You Need Basement Waterproofing Services In Mississauga
Basement water problems are often easier to address when you catch the warning signs early. If you notice any of the following conditions, an inspection can help determine whether moisture is entering through the foundation, floor, or window area.
Water Pooling on the Basement Floor
Puddles or standing water after heavy rain often indicate an active entry point. Note where the water first appears, as this can help a waterproofing contractor trace the source.
Water Coming Up Through the Basement Floor
Water rising through floor cracks or appearing around the wall-floor joint may be caused by pressure beneath the foundation. The problem may become more noticeable during heavy rain or spring thaw.
Wet Basement Walls or Floors
Dark patches, damp concrete, peeling finishes, or floors that remain wet are common signs of ongoing moisture. Even without visible puddles, repeated dampness should be investigated.
Water stains below a basement window, dampness around the frame, or water collecting inside a window well may indicate poor drainage, failed sealing, or an uncovered well.
Persistent humidity, a musty smell, or recurring condensation can signal excess basement moisture. These symptoms do not always mean waterproofing is required, so ventilation, HVAC, and plumbing sources should also be checked.
White, powdery deposits on concrete or masonry are called efflorescence. They form when moisture moves through the wall and leaves mineral salts behind, making them a useful warning sign of water movement.
Basement Waterproofing Problems We See in Mississauga
Basement water problems in Mississauga can develop gradually or appear after heavy rain and snowmelt. Finding the source early helps limit damage to finished walls, flooring, stored belongings, and the foundation itself.
Foundation Cracks and Seepage
Foundation cracks can allow groundwater to enter the basement, especially during wet weather. You may notice damp lines, water stains, peeling paint, or active dripping along a wall. The right repair depends on the crack’s size, location, and whether water pressure is building outside the foundation.
Water Around Basement Windows
Water may collect in a window well when the drain is blocked, missing, or poorly connected. Cracked window frames and incorrect grading can also direct water toward the opening. Prompt repairs can prevent moisture from damaging drywall, insulation, flooring, and other finished areas around the window.
Aging or Blocked Weeping Tile
Older weeping tile can become clogged with soil, roots, or sediment. Clay sections may also crack or shift over time. When the system cannot move water away from the foundation, pressure increases against basement walls and floors, raising the risk of seepage, dampness, and recurring leaks.
Poor Drainage Around the Foundation
Low spots, compacted soil, short downspouts, and grading that slopes toward the house can leave water beside the foundation. This increases pressure on foundation walls and may overwhelm the drainage system. Improving surface drainage is often an important part of a lasting basement waterproofing repair.
Interior or Exterior Basement Waterproofing for Mississauga Homeowners
Exterior waterproofing is designed to stop groundwater before it enters your foundation, while interior waterproofing manages water from inside the basement and directs it toward a drainage or sump system. For Mississauga homeowners, the right method depends on where the leak begins, whether the outside foundation is accessible, and the condition of the foundation and existing drainage.
| Comparison | Interior Waterproofing | Exterior Waterproofing |
|---|---|---|
| How it works | Collects and redirects water using drainage membranes, weeping tile, and a sump pump | Excavates around the foundation and applies a waterproof membrane |
| Best suited for | Wall-floor joint leaks, hydrostatic pressure, or limited exterior access | Foundation wall leaks, exterior cracks, and ongoing water penetration |
| Disruption | Work takes place inside the basement | Requires outdoor excavation and may disturb landscaping |
| Published starting cost | About $65 per linear foot | About $85 per linear foot |
| Main benefit | Lower cost and easier access | Stops water from reaching the interior foundation wall |
| Key consideration | Manages water rather than blocking it outside | Access, excavation depth, and site conditions can affect the work |
An exterior system may be the stronger choice when water is penetrating accessible foundation walls and the surrounding area can be excavated safely. Interior waterproofing may be more practical when exterior access is restricted or water needs to be controlled below the basement floor. A professional inspection should identify the entry point and assess the foundation before either method is recommended. In some homes, combining targeted exterior repairs with interior drainage may provide broader protection.
Basement Water Leak Prevention
The best reason to waterproof your basement in Mississauga is to prevent basement water leaks before they happen. Oftentimes, clients seek basement leak repair, while preventing the leaks is a more cost-effective approach long-term.
There are more signs of potential structural damage to the foundation of your property. Our team at Aquamaster Basement Waterproofing Mississauga has been waterproofing basements since 2009. We invest heavily in training our teams, sourcing the best basement waterproofing materials, all to deliver the highest quality basement waterproofing services for our clients.
Don’t wait, get our basement waterproofers on the phone today!
Frequently Asked Questions
How much does basement waterproofing cost in Mississauga?
Basement waterproofing in Mississauga costs about $65 per linear foot for interior work and $85 per linear foot for exterior work. Smaller basement leak repairs typically range from $500 to $1,500 CAD. The final price depends on excavation, foundation cracks, weeping tile work, waterproofing membranes, and the size of the repair area. Read more about basement waterproofing cost.
Is interior or exterior basement waterproofing better?
Neither method is always better; the right choice depends on the source and severity of the leak. Exterior waterproofing blocks water before it enters the foundation but requires excavation. Interior drainage is often less disruptive and can manage hydrostatic pressure effectively, especially when exterior access is limited.
How do I know where basement water is coming from?
You can identify the source by noting exactly when and where the water appears. Leaks after rain may point to foundation cracks, poor grading, window wells, or downspouts, while water at the wall-floor joint may signal hydrostatic pressure. A waterproofing inspection can confirm the cause before repairs begin.
Does basement waterproofing come with a warranty?
Yes, reputable basement waterproofing contractors usually provide a warranty, but the coverage and term vary by company and system. Some warranties cover specific materials or repaired areas, while others may be transferable to a future homeowner. Read the exclusions, maintenance requirements, and transfer conditions before signing the contract.
Can a leaking basement be waterproofed from the inside?
Yes, many leaking basements can be waterproofed from the inside. Interior systems may include a drainage membrane, perimeter drain, crack repair, and sump pump to collect and redirect water. This approach is useful when exterior excavation is impractical, although it manages incoming water rather than stopping it outside.
Do I need to replace my weeping tile if my basement leaks?
No, a basement leak does not automatically mean the weeping tile must be replaced. The cause could be a wall crack, clogged window-well drain, poor grading, plumbing issue, or failed sump pump. Replacement may be needed if inspection shows the existing drain is blocked, damaged, collapsed, or no longer draining properly.
Neighbourhoods We Serve in Mississauga
It’s our goal to provide superior waterproofing to give your home complete protection against leaks and water damage. We serve the Mississauga area, ensuring that we provide professional waterproofing services that homeowners deserve. We use techniques and equipment that are highly effective and provide long-lasting protection.
- Port Credit
- Streetsville
- Clarkson
- Erin Mills
- Meadowvale
- Lorne Park
- Cooksville
What Postal Codes We Serve in Mississauga
L4T, L4V, L4W, L4X, L4Y, L4Z, L5A, L5B, L5C, L5E, L5G, L5H, L5J, L5K, L5L, L5M, L5N, L5R, L5S, L5T, L5V, L5W
Our Address in Mississauga: 1247 Cloverbrae Crescent, Mississauga, ON L5H 2Z6
