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Waterproofing & Leaky Basement Toronto

Expert Foundation Repair & Basement Waterproofing Services in Toronto & the GTA 

If your basement shows signs of water damage, don’t wait! New Canadian Drain & Plumbing provides expert basement waterproofing solutions across Toronto and the GTA.

Our experienced team specializes in comprehensive basement waterproofing, ensuring your home stays dry and protected. Call us today for a free consultation!

Basement Waterproofing Services

  • Interior Waterproofing
  • Foundation Repair Services
  • Wet Basement Repair
  • Backwater Valve Installation
  • Sump Pump Installation
  • Sewer Backup and Snaking

The Importance of Basement Waterproofing

Basement waterproofing is essential for protecting your home’s structural integrity, preventing costly water damage, and ensuring a healthy living environment. Many homeowners underestimate the impact of water infiltration, but even minor leaks can lead to mold growth, weakened foundations, and property devaluation.

Why is Basement Waterproofing Crucial?

  1. Prevents Structural Damage
    • Foundation Cracks can expand over time due to continuous exposure to moisture. Waterproofing your basement strengthens your home’s foundation and prevents costly repairs.
    • Blindside Waterproofing is an advanced method used in construction where waterproofing materials are applied before the foundation is poured, providing an extra layer of protection.
  2. Reduces Health Risks
    • Moisture Control is key to preventing mold growth, which can cause respiratory issues, allergies, and other health hazards.
    • Mold and mildew thrive in damp environments, making interior waterproofing solutions vital for maintaining air quality inside your home.
  3. Protects Your Property & Belongings
    • A wet basement can damage flooring, furniture, stored valuables, and electronics.
    • Installing a comprehensive waterproofing package ensures your basement remains dry and usable for years to come.
  4. Prevents Plumbing & Drainage Issues
    • Sewer backup during heavy rainfall can flood your basement with contaminated water, causing serious damage.
    • Storm drains can overflow if not properly maintained, leading to water infiltration through foundation walls.
  5. Increases Property Value
    • Homes with foundation waterproofing and lifetime warranty guarantees on waterproofing solutions have higher resale value.
    • A dry, finished basement adds extra living space, making it a desirable feature for potential buyers.

Foundation Repair & Crack Sealing

Foundation cracks can weaken structural integrity and allow water infiltration, potentially leading to costly repairs. Addressing these issues promptly helps maintain a strong, dry, and secure foundation.

At New Canadian Drain & Plumbing, we provide comprehensive foundation repair solutions to reinforce your home and prevent future damage.

Waterproofing Materials and Techniques

Choosing the right waterproofing materials and techniques is crucial for effective moisture control and long-term basement protection. Our team at New Canadian Drain & Plumbing uses industry-leading solutions to keep your home safe and dry.

Common Waterproofing Methods

  1. Interior Basement Waterproofing
    Interior basement waterproofing is a highly effective way to manage and redirect water that has already entered the structure, preventing further damage and moisture buildup. This method is ideal for basements where exterior waterproofing is not feasible or too costly.
    Key Interior Waterproofing Solutions:

    • French Drain Installation: A weeping tile pipe system redirects water to a sump pump, preventing basement flooding.
    • Sump Pumps & Battery Backup: Essential for draining excess water and keeping basements dry during heavy rainfall or power outages.
    • Drainage Systems: Includes window well installation and interior drains to manage water flow.
    • Foundation Leakage Repairs: Uses structural crack repairs, tie rod sealing, and waterproof barriers to block moisture entry.
    • Crawlspace Encapsulation: Seals crawl spaces to prevent mold, dampness, and foundation issues.
    • Infrared Camera Inspections – Detects hidden leaks and moisture buildup for early intervention.
    • Underpinning Integration – Strengthens the foundation while incorporating waterproofing solutions.
  2. Foundation Crack Repair
  3. Crawlspace Waterproofing
    • Crawlspace Encapsulation: A vapor barrier system installed to prevent moisture buildup and mold growth in crawlspaces.
    • Cementitious Waterproofing: A cement-based waterproofing material applied to interior walls for added durability.
  4. Preventing Hydrostatic Pressure Issues
    • Hydrostatic pressure can cause water to push through basement walls and floors. Proper waterproofing solutions, such as interior drainage systems, prevent this pressure from causing leaks.

For a custom waterproofing solution tailored to your home, contact New Canadian Drain & Plumbing today!

Cost of Basement Waterproofing

The cost of basement waterproofing varies based on several factors, including the size of the basement, severity of water infiltration, and chosen waterproofing method.

Key Factors Affecting Cost:

  • Type of Waterproofing – Interior waterproofing (e.g., sump pump installation) is generally more affordable than exterior waterproofing (e.g., weeping tiles, window well installations).
  • Foundation Condition – Foundation cracks and foundation repair may increase costs if structural work is needed.
  • Drainage Systems – Adding a battery backup pump, backwater valve installation, or crawl space encapsulation may influence the final cost.
  • Basement Underpinning – If lowering or reinforcing the foundation, costs can be higher due to excavation and structural adjustments.

100% Guaranteed Satisfaction with Our Work!

Reviews from Our Customers

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Ashif Printer profile picture
Ashif Printer
5 November 2026
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Volodymyr , i want to mention you are very profesional you fix my problem and gave me wonderful advice on how i need to mantain and gave me advice on future problem that can exist. I was really appreciate your honestly .i will definitely call you and your cimpany. And refer to my family and friends
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Heidi Dadd
4 November 2026
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Very happy with service that Volodymyr and fast
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Dana profile picture
Dana
2 November 2026
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Very skilled. Very professional. Very reliable. I highly recommend their services! Samad did an amazing job and was such a pleasure to deal with!
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Karen Tracanelli
30 October 2026
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Samad was great! He located the issues and fixed them immediately. Will def recommend
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Ian Dalrymple
30 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Charles was a real pro. First class job in an awkward spot. My future “go to” for future jobs.
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Jonathan Pynn
30 October 2026
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Samad went above and beyond. Great service
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Krishna Rivera
26 October 2026
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Did a very good job. Leaves everything clean. Samad the plumber speaks and explains the procedure to be done very well.
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Kim Joseph profile picture
Kim Joseph
24 October 2026
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VOLODYMYR Excellent job. Fast and friendly
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Kate Rae profile picture
Kate Rae
22 October 2026
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Our bathtub sprung a leak and flooded our bathroom and first floor. Samad N was at our house within an hour of me calling and managed to install a new water line. Thanks so much!
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Yuペン
20 October 2026
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Nazar B provided excellent service! Very professional, friendly, and helpful. Highly recommend!
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Neela Devi Tharmarajah
20 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Samad explained everything clearly and did a good job for us and a clean job for us We really appreciate it
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Lynn Murray
20 October 2026
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Volodymyr was very fast and efficient. Good job.
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Pamella Fell profile picture
Pamella Fell
17 October 2026
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Samad did an excellent job replacing my kitchen faucet and hot and cold water valves under the kitchen sink. It is such a relief to not have the faucet leaking at the base anymore and also to be able to turn on and off the valves under the sink if needed. Thank you very much for a job well done!
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Mike Babin
16 October 2026
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Samad was very friendly and efficient. He solved my drain problem quickly, and made sure it was working properly before leaving. It was late evening and I appreciated that he was working late to get my kitchen sink useable again.
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Learn How to Fall
15 October 2026
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Easy booking with office staff. Volodymyr came right on time, replaced bathroom taps and recommended other preventative suggestions and left the area clean and disposed of the old parts.
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Robert Garofalo
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Volodymyr was an exceptional plumber. Fixed all the issues I had with 20 year old pipes. Explained everything he was doing every step of the way and let me watch and ask questions. Thanks for the help
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Donna Ye profile picture
Donna Ye
15 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
I would recommend this plumbing service. The lady at the front desk is helpful and she assigned the plumber efficiently. Samad helped to unclog the toilet effectively and is very professional. 🙂
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MeeChu Best
13 October 2026
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I called to schedule an estimate appt at 830am and they sent a technician within 1 hour! My technician B.K. Lee was very professional and friendly and told me exactly what needed to be done + costs and worked on it right away. He was able to adjust my pipe which cut down $100 from the original quote bc I didnt need the extra valve extension which he thought I needed originally! Within the next hour, Lee replaced my parents' old copper pipes in their 100+ year old house and I am a very happy customer! Thank you! : )
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Marco Caiafa
9 October 2026
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Great service from Allan today. Clearly explained the required fix, completed it in short time, double-checked everything was functioning after. Also explained the charges clearly. Great work.
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Robin Ostow profile picture
Robin Ostow
9 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Samad was good and professional

Signs of Basement Water Problems

Early detection of basement leaks and foundation issues helps prevent costly repairs.

Common Signs of Water Damage:

  • Musty Smell & Mold Growth: Damp conditions encourage mildew and mold.
  • Water Seepage & Puddles: Pooling water near floor-wall joints indicates leaks.
  • Basement Cracks & Efflorescence: White, chalky residue on walls signals water intrusion.
  • Moisture Infusion & Wall Stains: Damp walls and peeling paint suggest trapped moisture.
  • Clogged Gutters & Poor Drainage: Overflowing gutters can lead to foundation water seepage.
  • Sump Pump Failures & Sewer Backups: Malfunctioning drainage systems can cause basement flooding.
Waterproofing Diagram

Locations of Operation

We proudly serve Toronto and the GTA, providing top-rated waterproofing and basement repair services.

  •   Toronto West
  •   Toronto East
  •   Etobicoke
  •   North York
  •   Scarborough
  •   Mississauga
  •   Brampton
  •   Oakville
  •   Ajax
  •   Pickering

Contact us for a free plumbing service estimate: