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Basement Waterproofing Company in Whitby

If your basement leaks after heavy rain, snowmelt, or during prolonged wet weather, the issue usually isn’t random. Water is finding a consistent path into the foundation—and it needs to be addressed properly to stop it from coming back.MT Drains & Plumbing provides professional basement waterproofing in Whitby with a straightforward approach: inspect the problem, explain what’s happening in clear terms, and recommend a solution that actually fits your home. No guesswork. No unnecessary work.

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Is Basement Waterproofing the Right Step?

Not every basement moisture issue requires full waterproofing. Some problems can be resolved with targeted repairs. Others will continue to worsen without proper intervention.

You should book an inspection if you’re noticing:

  • Water entering after heavy rain or snowmelt

  • Damp or stained basement walls that never fully dry

  • Leaks returning in the same spot

  • Water appearing along the floor–wall joint

  • Persistent musty smells

Temporary dryness doesn’t mean the issue is resolved. Many Whitby homeowners call us after repeat leaks—once quick fixes stop working.
Homestars 2021 Winner
25 Year Warranty

Licenced & Insured Waterproofers

24/7 Availability

Offering Waterproofing Services Since 1991

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Common Basement Leak Problems We See in Whitby Homes

Most homeowners reach out after noticing a pattern. In Whitby, we commonly see:

  • Leaks reappearing at the same crack or joint

  • Moisture behind finished basement walls

  • Water entering near basement windows during storms

  • Damp basement floors even without visible pooling

In many cases, previous repairs managed water temporarily instead of stopping it at the source. That’s why the problem keeps returning.
Our role is to identify why water is getting in—and whether past repairs actually addressed the cause.

We Can Handle All Your Waterproofing Needs

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Common Waterproofing Mistakes That Lead to Repeat Leaks

We’re often called in to fix waterproofing work that didn’t last. Common issues include:

  • Interior systems installed without proper diagnosis

  • Crack repairs that reopened over time

  • Sump pumps added without managing water flow

  • Partial solutions that missed the main entry point

A waterproofing system needs to match the problem. The wrong solution can be just as costly as no solution at all.
external basement waterproofing

How We Find the Real Source of the Leak

Before recommending any waterproofing work, we focus on inspection.

During your on-site assessment, we:

  • Trace where water is entering the basement

  • Determine whether the issue is isolated or ongoing

  • Explain whether interior or exterior waterproofing makes sense

  • Identify structural vs surface-level issues

  • Walk you through your options clearly

You get answers first—then decide how to proceed.

Basement Waterproofing Options — What Makes Sense and When

There’s no one-size-fits-all solution. The right approach depends on how water is entering your home.

Interior Waterproofing

Often recommended when:

  • Water appears along the floor–wall joint

  • Exterior access is limited

  • Managing water inside is more practical

Interior systems redirect water safely but do not stop exterior water from reaching the foundation.

Exterior Waterproofing

Recommended when:

  • Water is penetrating through foundation walls

  • Exterior cracks are visible and accessible

  • Long-term protection is the priority

Exterior waterproofing stops water before it enters the home and is often the most permanent solution.

Combined Approaches

In some cases, a combination of methods provides the best result. We explain why and when this applies.

Helping You Choose the Right Solution — Not Just a Service

Not every situation requires waterproofing right away. Sometimes the right fix is correcting drainage, grading, or a specific structural issue first.
Our job is to explain what’s happening, outline your options, and help you choose a solution that makes sense for your home—not push the biggest repair.
That’s how repeat problems are avoided.
interior drain tile covered with new cement

What Affects the Cost of Basement Waterproofing in Whitby?

Waterproofing costs vary based on real factors—not guesswork.
Pricing is influenced by:

  • Interior vs exterior access

  • Length and depth of work required

  • Foundation type and condition

  • Finished basement protection or restoration

  • Drainage modifications

  • Sump pump or backwater valve integration

During your inspection, we explain exactly what applies to your home and what doesn’t.

What to Expect When You Hire MT Drains

  • On-site inspection and leak tracing

  • Clear explanation of findings

  • A defined scope of work

  • Professional installation by licensed technicians

  • Clean job site and final walkthrough

No pressure. No vague recommendations.

Basement Waterproofing Work We Complete in Whitby

We regularly complete waterproofing and drainage projects throughout Whitby, including:

  • Exterior waterproofing along problem foundation walls

  • Foundation crack repairs causing recurring leaks

  • Window well drainage upgrades

  • Sump pump installations and replacements

Every project is based on the home—not a template.
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Why Homeowners in Whitby Choose MT Drains

Exterior Waterproofing

We’ve completed thousands of waterproofing and drainage projects across the GTA.

Licensed, Insured, Accountable

Your home and investment are protected from start to finish.

No-Pressure Recommendations

We explain your options clearly and let you decide.

Work Designed to Last

Our repairs are built for long-term performance—not temporary relief.

FAQ

Do I need interior or exterior waterproofing?
It depends on where water is entering. A proper inspection determines the right approach.
Yes. We take steps to protect finished areas and explain what access is required.
When the correct method is used and installed properly, waterproofing is designed to last.
Not every home does, but when required, it plays an important role in managing water.
Leaks tend to worsen over time, increasing both repair scope and cost.

Have more questions? See our full Basement Waterproofing FAQ page for detailed answers.

Leaky basement being waterproofed in Toronto

Speak With a Licensed Waterproofing Professional

If your basement is showing signs of water intrusion, the next step is understanding why—not guessing.
MT Drains & Plumbing provides professional basement waterproofing inspections in Whitby with clear answers and practical solutions.
Get A Free Quote

Blog

high tech sump pump install

Why Does My Basement Sump Pump Smell Bad?

A foul smell coming from your sump pump isn’t just unpleasant—it can point to a maintenance issue, a drainage problem, or even potential health risks. Here’s what causes that smell and what steps you should take to eliminate it.

Efflorescence Streaks on Basement Walls: Cosmetic Issue or Water Intrusion?

Efflorescence is a common issue in concrete and masonry basements. It shows up as white, powdery streaks or flakes on the wall surface. In many cases, it’s just a cosmetic concern—but it can also indicate ongoing moisture problems.

Here’s how to assess what you’re dealing with and when it’s time to act.

Speak With a Licensed Professional
Have a question about your situation? Our team will review the details and explain the right next step.
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Call (647) 370-5325

MT Drains & Plumbing Reviews

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MT Drains & Plumbing4.9
Based on 213 reviews
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Peter G.
Had a secondary sump pump install which was tied into the existing weeping systems. Team arrived on site, super professional and efficient. Cleaned up and explained everything. Would highly recommended!!!
Walt D.
I asked this company to do an emergency work on a weekend. They attended the very next day and their performance exceeded my expectations. Call them if you need help!
Valeria S.
Great experience with MT Drains & Plumbing in Barrie for our basement waterproofing project. Pavel was knowledgeable, straightforward, and easy to deal with, and the office team was responsive and organized throughout the process. Fair pricing, quality workmanship, and the job was completed professionally. Would definitely recommend MT Drains & Plumbing for basement waterproofing and drainage work.
VIACHESLAV O.
I would like to sincerely thank MT Drain Plumbing for the excellent work they did. The entire team was professional, punctual, courteous, and very respectful throughout the process. Everything was well organized and completed on time. I especially appreciated how carefully they protected the surrounding areas and contained everything to prevent dirt, debris, or other materials from getting where they shouldn’t. The work was completed quickly, efficiently, and to a very high standard. I was also pleasantly surprised by the price — it was significantly lower than the quotes I received from other companies, which made the experience even better. I would also like to mention that the team members who came out to assess and discuss the work with me were extremely polite, professional, and punctual. I highly recommend MT Drain Plumbing to anyone dealing with waterproofing issues, drainage problems, or water management around their home. If you’re looking for a company that provides quality work, fair pricing, and excellent customer service, I definitely recommend giving these guys a call. Thank you again to the entire MT Drain Plumbing team for a job very well done!
Kids I.
We have used Mt Drains & Plumbing services for many years and always have a great experience with this company! The team is very professional, friendly, and arrive on time. We had some plumbing issues, and the work was completed quickly and efficiently. Definitely recommend them both for residential and commercial services.
Anna S.
Excellent service! Guys are very professional and provided very quality service. Prices are extremely reasonable and the job was completed quicker than expected, which is great since my time is very valuable. Very pleased with the detailed explanations and attention to me as a customer. Will recommend MT drains to everyone.
Brandon C.
We have now used MT Drains for the second time as they delivered great work for us. Pavel and his team are very helpful and responsive. They are quick to reply and do a site visit to diagnose the issue. They always provide options and scenarios to help you understand the issue and the solution. I would definitely recommend them for your waterproofing needs. Thanks again to the team!!
Simon S.
Update on August 24 2026: We needed to replace a shower cartridge and it turned out that we also needed to replace our main house water supply shut off valve before the shower job could be done. Olga in the office was very helpful in scheduling the job as well as in dealing with our municipality who needed to be involved as well. When Denis the technician arrived to do the job - early, which I always appreciate! - he assessed the job & dealt with the municipality further to expedite the job. It also turned out that the shower cartridge was badly corroded & required Denis' expert work & his experience to remove it without damaging the fixture. (This is a job the internet says you can do yourself, but when the cartridge is very old & corroded as this was, a professional is required!) He then easily installed the new cartridge. As usual, I was impressed by the professionalism and pleasantness of MT Drains' staff, both in the office & in the field. Update on Dec 17 2024: A toilet in our house came away from the floor in a way that broke the flange it was bolted to. I called MT Drains because they had done a fine repair job in our kitchen a few months earlier (see below). Viktoriya in the office was very friendly & helpful in getting us a cost estimate in a timely fashion and setting up an appointment to fix the problem that fit our schedules. We received email confirmation and reminder of the appointment, and a text confirmation on the morning of the appointment itself. The technician, Amir, arrived a few minutes before the start of the window for the appointment, which I always appreciate a lot! He was friendly, polite and professional. He assessed the repair requirements, confirmed the estimate, and completed the job in a timely manner. Amir also cleaned up everything and even took the garbage away with him. Viktoriya followed up shortly thereafter by phone to check that we were pleased with the job, and then sent the invoice to me for the agreed amount. She also confirmed that they received our payment right away. I’ve used MT Drains’ services for plumbing issues before and will happily use them again! The drain from our kitchen sink was leaking near the place where it attached to the sink itself. The reason turned out to be corrosion that was rotting away the place where the drain pipes attach to the sink. Pavel from MT Drains responded to my Trusted Pros posting within minutes, and was able to have a plumber come that very day. Dima arrived within the agreed time frame. He was polite, friendly, efficient and very skilled at diagnosing the problem and making the repair by replacing the corroded parts. He also cleaned up after his work. Viktoriya in the office was also very helpful and professional - the entire operation was fast, efficient, effective, friendly and professional. I will definitely call on MT Drains for any future plumbing needs.
Nam N.
Perfect service!
Ran P.
I recently had MT Drains & Plumbing Ltd replace the trench drain grate in my driveway, and I couldn't be happier with the results. Pavel and his team were professional, punctual, and highly skilled. The original grate was rusted and had become a safety hazard, but MT Drains provided a seamless replacement that looks fantastic and is incredibly durable. They handled the removal of the old grate and the installation of the new one with great care, ensuring that everything was level and properly secured. It is clear they take pride in their workmanship, as the site was left spotless upon completion. I would highly recommend them to anyone in need of reliable plumbing or drain services.
Sergiy S.
Excellent service
Ken C.
Quality service by an extremely professional team. Would highly recommend.
Alvin H.
We were referred to MT Drains & Plumbing by our plumber as the work that needed to be done to clear our catch basin needed special equipment. They were a pleasure to deal with because: 1. Their quote was clear and comprehensive 2. The response and turnaround time from query to quote was fast 3. Olga made it easy to book an appointment 4. The team dispatched to do the job were professional, did the work and did it in less time than quoted. Overall, a professional outfit that I would recommend.
rahul T.
Amazing service
Ken J.
Our upstairs toilet was not working properly. I called MT Drains & Plumbing and Rene came the same day. He checked out the toilet and found it was not working properly due to age and deterioration of the jets. I asked him if he could supply a replacement toilet. Rene ordered a new toilet and installed it first thing next morning. The new one is working better than the old one ever did. Rene was pleasant to deal with and knew what he was doing. We will use MT Drains in the future.

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