Basement Waterproofing & Foundation Repair In London, Ontario
Protect your home or commercial property from groundwater seepage, foundation cracks, weeping tile failure and drainage issues with guaranteed Canadian-standard solutions.
Professional Basement Waterproofing Experts in London
Basement water enters through specific vulnerabilities. Defaulting to a generic interior spray or single excavation wall doesn't solve the underlying water path.
We perform a thorough structural assessment to locate hydrostatic pressure points, weeping tile failures, grading flaws, or foundation wall cracks before proposing a tailored solution.
Common Infiltration Entry Points We Assess
Featured Services
Complete Basement & Foundation Waterproofing
Our core waterproofing and foundation repair solutions, from diagnosis through to long-term water management.
Interior Basement Waterproofing
Perimeter drainage & wall membranes that capture groundwater before it reaches your living space.
Exterior Foundation Waterproofing
Full excavation, membrane application and drainage renewal to stop water at the foundation wall.
Foundation & Crack Repair
Crack injection, wall repair and reinforcement matched to the crack type and water source.
Sump Pumps & Weeping Tile
Sump installation, pump replacement, backup systems and footing drainage renewal.
Exterior Drainage
French drains, window wells, grading and downspout management to keep water away.
Crawl Space Waterproofing
Encapsulation, vapour barriers and drainage to control moisture and humidity.
Proven Contractor Standards
Why London Homeowners Choose BWS
Engineered waterproofing methods, clean job site protocols, and transparent communication from initial inspection to final sign-off.
Detailed Diagnosis
We investigate the actual source of water before recommending any repair, so the solution targets the cause.
Clear Recommendations
You receive straightforward options and an honest assessment of what each solution involves.
Interior & Exterior Solutions
We offer both interior and exterior waterproofing approaches matched to the problem and property.
Professional Installation
Work is completed by trained crews using proven materials and proper installation methods.
Long-Term Water Management
Solutions are designed to manage water over time, not just to address the immediate symptom.
Residential & Commercial Capability
From single homes to commercial facilities, we handle projects of varying scope.
Common Basement Water Entry Sources
Most basement leaks trace back to a handful of failure points. Understanding where water is actually entering is the first step toward a lasting solution - which is why we diagnose the source before recommending any repair.
20+ Years Experience
London & Southwestern Ontario
What Our Customers Say
Real reviews from homeowners and business owners across Southwestern Ontario.
How It Works
Our Proven 6-Step Process
From your first call to final review, every project follows the same disciplined process - diagnose the source, then deliver the right fix.
Contact Us
Call or request a free estimate online. Tell us about your basement leak, foundation crack, or drainage issue and we'll schedule an on-site inspection.
On-Site Inspection
We assess your basement walls, foundation, wall-floor joints, window wells, sump pump, weeping tile and exterior grading to locate the water source.
Diagnose the Source
We identify exactly where and how water is entering - whether through foundation cracks, failed weeping tile, poor grading, or hydrostatic pressure.
Provide Estimate
You receive a clear written estimate with the recommended interior or exterior waterproofing solution, timeline, and fixed pricing.
Complete the Work
Our trained crew installs your waterproofing system - perimeter drainage, membrane, sump pump, or foundation repair - to full specification.
Final Review
We review the completed waterproofing work together, confirm the basement is protected, and answer any questions about long-term water management.
Frequently Asked Questions
Basement Waterproofing Questions Answered
Straightforward answers to the most common questions about waterproofing, foundation repair and drainage in London and Southwestern Ontario.
Stop Water Before It Causes More Damage
Whether you're dealing with a foundation crack, recurring basement seepage, drainage issue or failed sump pump, our London team will inspect the site and deliver a guaranteed solution.