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Basement waterproofing

Leaks, cracks, damp walls or flooding: find the cause and fix it for good. Serving homes across the GTA.

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Greater Toronto AreaToronto, York, Peel, Durham, Halton. Written quotebefore any work starts. 8 AM – 8 PM, 7 days.A real person answers.
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Basement waterproofingSigns you need it

Is this your problem?

Basement waterproofing covers every way of keeping water out of a basement, or controlling it once it gets in. The right fix depends on where the water is coming from, so the first step is always finding the cause. A leak through one crack needs a very different repair than water coming up along every wall.

  • Water on the floor after rain or snowmelt
  • Damp patches or stains on the walls
  • Cracks in the foundation that leak
  • A musty smell or mould near the floor
  • White chalky residue on the concrete
  • Your floor drain has backed up before
Which fix do you need?Match the problem

Where is the water coming from?

How it works4 steps

  1. Call, text or send the form

    Tell us what you’re seeing. Photos of the wall or floor help a lot.

  2. We go over it with you

    A few quick questions about the leak, then an on-site visit booked at a time that suits you.

  3. On-site assessment

    A waterproofing pro finds where the water is coming from and what will fix it.

  4. Written quote

    You get a written quote before any work starts.

Project photosSee the full gallery
Exterior: waterproof coating on the foundation
Exterior: waterproof coating on the foundation
New weeping tile in clear gravel
New weeping tile in clear gravel
Interior drainage along a stone foundation
Interior drainage along a stone foundation
New sump pump with battery backup
New sump pump with battery backup
Porch wrapped in waterproof membrane
Porch wrapped in waterproof membrane
Basement rebuilt after a flood
Basement rebuilt after a flood
QuestionsBasement waterproofing
How much does basement waterproofing cost?

It depends on the cause. Sealing one crack from inside costs far less than digging outside to waterproof a whole wall. A pro will look at it in person and quote you before starting.

Interior or exterior: which do I need?

Exterior work keeps water off the wall in the first place. Interior work catches water that gets through and sends it to a sump pump. The on-site assessment decides which fits your house.

Can I waterproof my basement myself?

Some things, yes: extend downspouts at least six feet from the house, slope soil away from the foundation, and keep window wells clear. Active leaks and anything that involves digging are best left to a pro.

Are there rebates?

Some GTA cities offer subsidies for flood protection like sump pumps and backwater valves. Check your city’s program before work starts.

Request a callbackTakes about a minute

Get your basement waterproofing quote.

Send the form, or call or text a photo to 416-995-6504. We'll go over it with you and book a time for a waterproofing pro to take a look.

Calls answered 8 AM – 8 PM, Monday to Sunday. Forms sent after 8 PM get a call the next morning.

Your basement

We'll call you back to go over it.

How urgent is it?
Do you own the home?

*Required. We only share your details with the pro who handles your job. Privacy policy

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