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Serving Southern Ontario Since 1998 Licensed & Insured Waterproofing • Drainage • Plumbing

416-333-LEAK

Water Management

Find the right repair

Waterproofing, drainage, foundation and flood-protection solutions based on where the water is coming from.

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Basement Waterproofing

⌂Interior WaterproofingInterior drainage and water management ⌂Exterior WaterproofingFoundation membrane and exterior drainage ⌁Basement Leak RepairFind the source and stop active basement leaks ϟFoundation Crack RepairRepair leaking foundation cracks

Drainage & Flood Protection

↓Sump Pump InstallationPumps, pits, backups and replacements ↔Backwater ValveProtection against reverse sewer flow ═French Drain InstallationYard and foundation drainage correction

Foundation & Plumbing

▥Basement UnderpinningBasement lowering and structural work ↳Sewer & Drain RepairBackups, blocked drains and sewer problems !Emergency ServiceUrgent flooding and plumbing assistance

Not sure which service matches the problem? Start with an assessment. Request an Assessment →

Southern Ontario

Local waterproofing service

Explore local waterproofing, drainage, sump pump and flood-prevention services.

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Toronto & Peel

Toronto › Mississauga › Brampton ›

Halton Region

Oakville › Burlington › Milton ›

Hamilton & Niagara

Hamilton › St. Catharines › More Communities ›

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Homeowner Resources

Research before you repair

Learn about waterproofing, compare options, review warranties and estimate project costs.

⚠ Water Problem Guides ⓘ About Canada Waterproofers ☆ Customer Reviews ? Waterproofing FAQ ▤ Home Repair Blog

✓ Warranty Information ▭ Financing Options ▣ Waterproofing Calculator $ Rebates & Subsidies

Need help diagnosing a water problem? Request an Assessment →

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Basement Waterproofing

Interior Basement Waterproofing Exterior Basement Waterproofing Basement Leak Repair Foundation Crack Repair

Drainage & Flood Protection

Sump Pump Installation Backwater Valve Installation French Drain Installation

Foundation & Plumbing

Basement Underpinning Sewer & Drain Repair Emergency Service View All Services →

Toronto & Peel

Toronto Mississauga Brampton

Halton

Oakville Burlington Milton

Hamilton & Niagara

Hamilton St. Catharines View All Service Areas →

Basement Problems Rebates & Subsidies Emergency Service

Water Problem Guides About Canada Waterproofers Customer Reviews Waterproofing FAQ Home Repair Blog Warranty Information Financing Waterproofing Calculator

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Waterproofing & Drainage Assessment

Not sure where the water is coming from?

Tell us what you are seeing. We can assess whether the problem involves the foundation, interior drainage, sump system, sewer connection or exterior water management.

Request a Free Assessment → ☎ 416-333-5325

✓Serving Since 1998Water-management experience ✓Warranty ProtectionTransferable on qualifying systems ✓Licensed & InsuredProfessional Ontario contractor ★BBB Accredited BusinessSee customer reviews

💧 CANADA WATERPROOFERS Waterproofing • Drainage • Plumbing

Basement waterproofing, drainage, sump pump and flood-prevention services for homeowners across Toronto, Peel, Halton, Hamilton, Niagara and surrounding Southern Ontario communities.

Our Locations

51 Wolseley St, Suite 108
Toronto, ON M5T 1A5

Mississauga

3410 Semenyk Ct #9
Mississauga, ON L5C 4P8

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Services

All Waterproofing Services
Interior Basement Waterproofing
Exterior Basement Waterproofing
Basement Leak Repair
Foundation Crack Repair
Sump Pump Installation
Backwater Valve Installation
French Drain Installation
Basement Underpinning
Sewer & Drain Repair
Emergency Service

Resources

Basement Water Problem Guides
About Canada Waterproofers
Customer Reviews
Waterproofing FAQ
Home Repair Blog
Rebates & Subsidies
Financing
Warranty Information
Waterproofing Calculator
Contact Us

Service Areas

Toronto Mississauga Brampton Oakville Burlington Milton Hamilton St. Catharines

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Licensing & contractor information

Toronto License: T94-4543511, P25298, B25300, T95-4543513, T85-4543510 | Oakville License: 2023 100463 000 00 LICE, 2023 100455000 00 LICE | Mississauga License: 2025 008967 TC & 2025008966 TM | Hamilton License: 23 301959 00CL, 23 301960 00MA

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