
Foundation Specialists Since 1994
Expert basement solutions for lasting peace of mind.
Protect your largest investment with structural foundation repair and comprehensive waterproofing systems engineered by industry veterans.
Proud partners & community supporters
- Lambton Chamber of Commerce
- Oil Springs Minor Ball
- Habitat for Humanity
- Ontario Home Builders
- Better Business Bureau
- Rotary Club of Petrolia
Who We Are
Permanent solutions for every structural issue.
Based in Oil Springs, Ontario, Basement Boss is a trusted leader in basement waterproofing with over 30 years of experience in foundation repair. We’ve solved countless issues across Sarnia–Lambton and Chatham-Kent, including flooding, seepage, cracks, radon, and bowed foundation walls. Using proven techniques and advanced, engineered products, our highly trained team delivers reliable results that meet or exceed building code standards.
Proudly 100% Canadian-owned, we’re committed to honest pricing, quality workmanship, and giving back—supporting local schools, youth sports, and community organizations that make our region stronger.
Lifetime Warranty
Transferable and guaranteed.
Expert Crews
Certified, in-house technicians.


Comprehensive service expertise
Exterior Waterproofing
Hygrothane and Blueskin membrane systems that stop water before it reaches the wall.
Interior Water Control
Sub-floor drainage, dehumidification and sump systems that keep living space dry.
Foundation Settlement Cracks
Crack Shield and injection repairs that seal and strengthen structural fractures.
Crawl Spaces
Encapsulation, French drains, radon mitigation and humidity control for crawl spaces.
Structural Solutions
Helical piers, wall anchors and carbon fibre reinforcement for bowed or sheared walls.
Sump Pump Systems
Primary and back-up pumps, alternators, basins and iron ochre treatment.
Radon Measurement
Certified radon testing and mitigation systems for healthier indoor air.
Drainage
Roof water and overland water management that moves runoff away from the foundation.
Concrete Raising
Polyurethane injection that lifts sunken driveways, walkways and garage slabs.
Our method
We do not patch problems, we engineer solutions. Every project follows the same four point structural integrity protocol.
01
Diagnostic Analysis
02
Engineering Design
03
Precision Execution
04
Final Certification

“They identified structural issues two other companies missed. The repair was clean, on time and perfectly executed.”
— Mark Henderson, Homeowner
30+
Years experience
15K+
Homes secured
100%
Transferable warranty
24/7
Emergency response
Client reviews
What homeowners say
★★★★★
“Basement Boss saved our home. After years of dampness their waterproofing system worked exactly as promised. Professional crew and zero mess.”
Michael R.
London, ON
★★★★★
“The structural piering they installed fixed the settling issues we had for a decade. I finally have peace of mind about our foundation.”
Sarah Jenkins
Sarnia, ON
★★★★★
“Fast, reliable and incredibly knowledgeable. They explained every step of the crawl space encapsulation. Highly recommended.”
David L.
Chatham-Kent
Learning Centre
Latest news & advice
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Why basements leak in spring
Frost coming out of the ground, saturated soil and a thaw that arrives faster than the drainage can cope with — spring…
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Sump pump maintenance checklist
A sump pump is the one piece of equipment in the house that only matters when it is needed. A short seasonal…
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Bowed walls: when to worry
Not every crack is structural, but lateral movement in a foundation wall always is. Here is how our technicians tell the difference…
Request your free, no-obligation estimate
Ready to secure your foundation? Send us the details and a Basement Boss specialist will be in touch within one business day to arrange an on-site evaluation.
Toll free
Main office
4573 Oil Springs Line
Oil Springs, Ontario N0N 1P0
