ABOUT

Foundation Waterproofing

Protecting homes and commercial properties from water damage interior and exterior waterproofing solutions built to last across the GTA.

Foundation Waterproofing

Water infiltration is one of the most damaging and costly problems a property can face. Our foundation waterproofing team identifies the source of the problem and delivers a permanent solution whether that means working from the inside, the outside, or both.

Foundation waterproofing systems
Membrane application
Sump pump installation & replacement
Drainage tile & weeping tile systems
Foundation crack repair & injection
Basement window well installation & waterproofing

Our Process

Foundation inspection & moisture assessment
Interior drainage system or exterior excavation
Membrane application & crack injection
Sump pump & weeping tile installation
Backfill, grading & drainage correction
Final inspection & waterproofing guarantee

Our values

Quality first

We never cut corners. Every project is completed to the highest standard using quality materials and proven techniques.

Skilled & Experienced

Our team brings years of hands-on experience across all trades — from masonry and concrete to carpentry and waterproofing.

Customer-focused

We listen, we communicate, and we tailor every solution to meet the unique needs of each client and property.

Integrity & transparency

Honest communication, fair pricing, and no hidden fees — we deliver exactly what we promise.

Reliability & excellence

Dependable service, on-time project completion, and results built to stand the test of time.

Clean & Respectful Service

We treat your property like our own — arriving on time, working cleanly, and leaving the site tidy every day.

Quality first

We never cut corners. Every project is completed to the highest standard using quality materials and proven techniques.

Skilled & Experienced

Our team brings years of hands-on experience across all trades — from masonry and concrete to carpentry and waterproofing.

Customer-focused

We listen, we communicate, and we tailor every solution to meet the unique needs of each client and property.

Integrity & transparency

Honest communication, fair pricing, and no hidden fees — we deliver exactly what we promise.

Reliability & excellence

Dependable service, on-time project completion, and results built to stand the test of time.

Clean & Respectful Service

We treat your property like our own — arriving on time, working cleanly, and leaving the site tidy every day.

Delivering measurable impact

10+

Years in business

500+

Projects completed

100%

Satisfaction guaranteed

Delivering measurable impact

10+

Years in business

500+

Projects completed

100%

Satisfaction guaranteed

Delivering measurable impact

10+

Years in business

500+

Projects completed

100%

Satisfaction guaranteed

Looking to build something great? Let's talk.

Whether you're ready to start your project or just exploring your options, OneStop Contracting is here to guide you every step of the way.

SEE OPEN POSITIONS

LEARN MORE

FAQ

Frequently asked questions

What services does OneStop Contracting offer?

Do you work on both residential and commercial properties?

How do I get a quote for my project?

How long does a typical project take to complete?

Do you offer foundation waterproofing for existing homes?

GET A QUOTE

Still have questions? We're here to help! Whether you're curious about pricing, timelines, or which service is right for your property our team is ready to guide you.

FAQ

Frequently asked questions

What services does OneStop Contracting offer?

Do you work on both residential and commercial properties?

How do I get a quote for my project?

How long does a typical project take to complete?

Do you offer foundation waterproofing for existing homes?

GET A QUOTE

Still have questions? We're here to help! Whether you're curious about pricing, timelines, or which service is right for your property our team is ready to guide you.

FAQ

Frequently asked questions

What services does OneStop Contracting offer?

Do you work on both residential and commercial properties?

How do I get a quote for my project?

How long does a typical project take to complete?

Do you offer foundation waterproofing for existing homes?

GET A QUOTE

Still have questions? We're here to help! Whether you're curious about pricing, timelines, or which service is right for your property our team is ready to guide you.

Ready to start your project? Let's make it happen.

Discover how easy it is to transform your property with OneStop Contracting. Whether you're ready to get started or just exploring your options, we're here to guide you every step of the way.

GET A QUOTE

LEARN MORE

Ready to start your project? Let's make it happen.

Discover how easy it is to transform your property with OneStop Contracting. Whether you're ready to get started or just exploring your options, we're here to guide you every step of the way.

GET A QUOTE

LEARN MORE

Ready to start your project? Let's make it happen.

Discover how easy it is to transform your property with OneStop Contracting. Whether you're ready to get started or just exploring your options, we're here to guide you every step of the way.

GET A QUOTE

LEARN MORE