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Southern Ontario’s leading commercial and residential waterproofing specialists.


We do it right the first time, everytime!

Underpinning your home's foundation not only added space and square footage, it also strengthens the existing foundation. With new conrete added, the overall durability will be that much greater. This process can be quite disruptive and a big expense though the benefits certainly outweight.

What can you expect once an underpinning project as been started? The basement is first cleared of clutter and debris. Basement floor is then demolished and removed uses a transporter which is typically installed into one of the windows. Bins or bags arrive to removed and dispose of the old soil. Then a comprehenisve inspection is conducted of all individual section include but not limited to: Interior Drains, Interior Waterproofing, Sump Pump, Vapor Barrier and Sewage ejector.

foundation Underpinning
foundation Underpinning
foundation Underpinning
foundation Underpinning

Final Inspection & Completion

A final inspection must be completed by the City Engineer and all relevant documents signed off as for the approval and finalization of your underpinning project. Contact the professionals at CAP Waterproofing & Drains today and let's get your underpinning project started.

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For a professional consultation + free estimate, call us today!

See how our comprehensive services can be customized to meet your needs while staying on budget!

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Client Testimonials

See what people are saying about CAP.

Customer Testimonials

This company came to our immediate rescue. The crews were polite and efficient. Were able to answer any questions along the way. We would recommend them for any waterproofing big or small.

K & K Burlington ON.
Customer Testimonials

The drain had risen over the years so it had to be cut down. The crew were polite quck and very professional. I would highly recommend their service.

Ivana Burlington ON.
Customer Testimonials

We recently purchased a new home and would trust no one else to look after our waterproofing, drains and plumbing needs. Cyril (the owner) as well as the rest of his team are excellent and get the job done !

Christopher Ottawa ON.