Basement Waterproofing in Southern Ontario

Protect your basement once and for all. We stop leaks, moisture, and costly damage with engineered waterproofing backed by a transferable lifetime warranty.

Why Waterproof Your Basement?

Basement waterproofing is more than a patch. It’s a complete system that prevents water from entering your home — for good. Whether you have active leaks or want to protect your investment, ABC Company designs and installs interior and exterior solutions that last a lifetime.

What we install (as needed for your home):

  • Exterior membranes and drainage systems (weeping tile)
  • Interior drainage, vapor barriers, and sump pumps
  • Foundation crack repair (epoxy or polyurethane injection)
  • Backups and alarms to keep groundwater under control
Exterior Waterproofing

Signs You Need Exterior Waterproofing

Small issues can lead to major structural damage when ignored. Watch for:
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Damp walls or musty odors

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Water stains, peeling paint, or efflorescence

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Puddles after rain or snowmelt

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Mold or mildew on walls, baseboards, or stored items

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Bowed walls or visible foundation cracks

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Sump pump running constantly

If you see any of the above, book an inspection. We’ll find the source and stop it for good.

Our Proven Waterproofing Process

Every home is different. We design a custom system that fits your foundation, soil, and drainage.
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Inspection & Leak Detection

We assess interior and exterior conditions using moisture meters and cameras.
You receive a clear report with photos and a fixed-price quote.
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Interior Waterproofing (as applicable)

Vapor barriers and interior drainage to collect and redirect water
Crack repair and sump pump installation with optional battery backup
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Exterior Waterproofing (as applicable)

Excavation, Waterproofing & Drainage Installation
Final Grading & Backfill for Proper Water Flow
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Crack Repair & Injection

Long-term repair with epoxy or polyurethane injection, tailored to crack type
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Sump Pump Systems

Reliable pumps with basins, check valves, and backups to prevent flooding
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Final Testing & Lifetime Warranty

System tested end-to-end
Transferable lifetime warranty for lasting peace of mind

We Work Directly With Your Insurance Company

Insurance
If water intrusion has already caused damage, your insurance may cover part of the remediation and repairs. We make claims easier:
Moisture and leak assessment reports
Photo documentation and repair estimates
Support for emergency claims
Direct adjuster coordination
Fast turnaround after approval

Frequently Asked Questions

Can't find the answer? Explore our comprehensive FAQ section or contact us directly
How do I know if my basement in Southern Ontario needs waterproofing or just a quick fix?
Watch for musty odors, damp walls, puddles after rain, efflorescence, bowed walls, or cracks, and a sump pump that runs constantly. DrySeal offers a free inspection using moisture meters and cameras, then provides a clear report and fixed‑price quote.
What does your transferable lifetime warranty cover for basement waterproofing?
Our transferable lifetime warranty covers the performance of the installed waterproofing system, including interior/exterior drainage, membranes, and crack repairs. Written terms are provided with your quote for full transparency and peace of mind.
Do you do interior and exterior waterproofing, and how do you choose the right solution?
Yes—DrySeal designs custom systems based on your foundation, soil, and drainage conditions. Solutions may include exterior membranes and weeping tile, interior drainage and vapor barriers, sump pumps, and epoxy or polyurethane crack injection.
How long does basement waterproofing take and how disruptive is it?
Most projects are completed in 1–3 days, with exterior work dependent on weather. Our licensed crews keep worksites clean and accessible, and we test the system end‑to‑end before we leave.
Can you help with insurance claims for basement leaks or water damage?
Yes. We provide assessment reports, photo documentation, and estimates, and coordinate directly with your adjuster for faster approvals and turnaround.
Which areas do you serve in the GTA and Southern Ontario, and how fast can I get a quote?
We serve Toronto, Mississauga, Hamilton, and surrounding GTA cities across Southern Ontario. Get a free inspection and a fast quote within 24 hours—call +1 (416) 858-4482 or email [email protected].
What systems do you install to keep basements dry long‑term?
We install exterior membranes and proper drainage (weeping tile), interior drainage with vapor barriers, reliable sump pump systems with backups and alarms, and long‑term crack repairs. Every system is engineered for your home and backed by our lifetime warranty.

Ready to Keep Your Basement Dry — Forever?

Let us inspect, install, and protect — backed by our lifetime guarantee.
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We protect homes across Southern Ontario with expert basement waterproofing, leak repair, and restoration — backed by 15+ years of experience and a lifetime warranty.

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Get In Touch:

[email protected]
+1 (416) 858-4482
Southern Ontario
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