Keep your basement dry — for good. Trusted by thousands of Ontario homeowners. Interior & exterior waterproofing, sump pumps, crack injection and more — backed by a written workmanship warranty.
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From a single crack to a full foundation rebuild — we handle every type of basement water problem across Ontario.
Interior drainage systems and weeping tile installed inside your basement to redirect water before it causes damage.
Get a Free Quote →Full excavation and waterproofing membrane on the outside of your foundation — the most permanent solution available.
Get a Free Quote →Primary and battery backup sump pump systems to keep your basement dry even during Ontario's worst storms.
Get a Free Quote →Polyurethane and epoxy injection for poured concrete cracks. Fast, clean, and guaranteed to stop water intrusion.
Get a Free Quote →Old clay or collapsed weeping tile replaced with modern perforated pipe — restoring proper drainage around your foundation.
Get a Free Quote →Egress windows and window wells with proper drainage to prevent flooding and meet Ontario building code requirements.
Get a Free Quote →Getting your basement waterproofed is straightforward. Here's what to expect from start to finish.
We visit your home, assess the problem, and identify the root cause — at no charge and no obligation.
You receive a clear, itemized written quote. No hidden fees, no surprises — ever.
Our trained crew completes the job efficiently, respecting your home and cleaning up after every day.
Your waterproofing is backed by a written workmanship warranty. Your contractor will outline full warranty terms at the time of quote.
We're not a franchise. We're a local Ontario company that lives and works in the same communities we serve.
Warranty terms vary by contractor — ask about transferability when you get your quote.
Our trained employees do every job. No surprises, consistent quality every time.
Written quote before any work begins. No surprise charges, no upselling.
Water damage doesn't wait for Monday. Neither do we — call us any day.
From Toronto and the GTA to Ottawa, Kingston, and all of Eastern Ontario. If you're in Ontario, we can help.
"After two years of a wet basement every spring, these guys fixed it properly on the first try. The crew was professional, cleaned up perfectly, and the whole job took just two days. Highly recommend."
"Called on a Saturday morning when I found water in my basement. They came out that same afternoon for a free inspection, gave me a fair written quote, and had the job done by Wednesday."
"We had three other companies quote us. These guys were the most thorough and the most honest about what we needed. No upselling at all. The workmanship warranty is a great bonus for resale too."
FAQ
Basement waterproofing costs in Ontario range from $500–$1,500 per crack for injection repairs, $3,500–$10,500 for interior drainage systems, and $9,000–$30,000+ for full exterior excavation. The right solution — and its cost — depends on your foundation type, the source of water entry, and your home's specific conditions. Most contractors offer free assessments before quoting.
Interior waterproofing manages water that enters the basement by collecting and redirecting it to a sump pump — effective, affordable, and minimally disruptive. Exterior waterproofing excavates around the foundation to apply a membrane and drainage layer directly to the exterior wall, stopping water before it enters. Exterior is more comprehensive but significantly more expensive and disruptive. Most Ontario contractors recommend interior systems for water management and exterior for severe foundation deterioration.
Standard homeowners insurance in Ontario typically does not cover basement flooding from groundwater or sewer backup unless you have added overland water or sewer backup endorsements to your policy. Many Ontario municipalities — including Toronto, Mississauga, Hamilton, and Ottawa — offer subsidy programs to help homeowners install flood protection devices like backwater valves and sump pumps. Check your policy and contact your municipality about available rebates.
A properly installed interior drainage system typically lasts 20–30 years with minimal maintenance (annual sump pump checks). Exterior waterproofing membranes last 20–25 years. Crack injections on stable poured-concrete foundations can last indefinitely if the underlying crack has stopped moving. Regular maintenance — keeping eavestroughs clear, maintaining proper grading, and testing your sump pump annually — extends the life of any system.
Many Ontario municipalities offer subsidy programs to help homeowners protect their basements. Toronto offers up to $4,550 through the Basement Flooding Protection Subsidy Program. Peel Region (Mississauga and Brampton) offers 60% of backwater valve cost up to $1,500. Hamilton offers up to $2,500. Guelph, Ottawa, Oakville (Halton Region), and Oshawa (Durham Region) also have programs — amounts and eligibility vary. Contact your local municipality or ask your waterproofing contractor about programs in your area.