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A True Canadian Success Story

The Crack Doctor is a professional fully accredited full service waterproofing company able to permanently solve any problem with a wet basement from inside or outside with or without digging.

Our award-winning company has helped tens of thousands of families and businesses permanently solve their wet basement problems.

The Crack Doctor Waterproofing Team

Our Process

The Crack Doctor has real brick and mortar locations and operating facility’s including in house engineering, estimating, accounting, warranty and training departments.

After a two year apprenticeship program, having successfully completed all aspects of their training, candidates are recognized as waterproofing experts and are able to work without engineer oversight.

After five years in the field with continuing education of engineering principals and modern advancements these seasoned professionals are recognized as Master Waterproofers and are able to teach other apprentices to follow in their footsteps.


As a responsible corporate citizen, The Crack Doctor, abides by all federally regulated safety procedures and training requirements.

We have helped more people make their wet basements dry than any other waterproofing company in Canada, and we can fix them from inside or outside.

Receive your FREE Estimate!Got a leak, crack or wet basement? We can help you today!

Simply fill out the short form below and one of our Certified Waterproofing Professionals will contact you.

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Click for the BBB Business Review of this Waterproofing Contractors in Mississauga ON

0% Interest Payment PlanFor All Your Basement Repairs

Don’t worry. Get the basement repairs you need with The Crack Doctor’s 0% Interest Payment Plan.

Use the 0% Interest Payment Plan for your basement repairs and keep your savings in the bank.

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IQ Testimonials

I wanted to send you a quick note to say how pleased I was with the work that was done on my foundation wall. Your quick response to my leaking wall was greatly appreciated. The technician was courteous and professional, and thoroughly explained the process he was going to perform to fix the crack. I originally thought it was just a leaking tie hole, but he pointed out the crack to me and proceeded to fix it. Thank you again for your efforts.