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Basement Waterproofing in Markham, ON

Geological conditions unique to Markham and the Greater Toronto Area, such as expansive clay soils and freeze-thaw cycles, can cause basement water problems that risk your home’s foundation. Groundworks has a solution. Our sump pumps, vapor barriers, and other custom-engineered products keep your basement dry and healthy, protecting your property’s framework and your family’s safety. We also specialize in foundation repair, crawl space repair, and concrete lifting. Schedule a free inspection today.

Serving the Markham area and Southern Ontario >

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Markham Basement Waterproofing


Types of Basement Damage in Markham

Basement Waterproofing Solutions We Provide In Markham

Control Basement Wall Moisture

A worker installing a basement wall vapor barrier in a basement.

What We Do

  • Inspect your basement for leaks
  • Provide customized drainage solutions
  • Collect and remove water with interior drains and sump pumps

What We Use

Graphic of a basement wall vapor barrier.

Basement Wall Vapor Barrier

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Control Groundwater Seepage

Close up of a worker using a level to ensure a basement is getting adequate drainage.

What We Do

  • Assess the moisture in your basement
  • Recommend a lasting solution
  • Seal basement walls with a durable vapor barrier

What We Use

Graphic of interior drainage system.

Interior Drainage

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Sump Pumps

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FreezeGuard

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Manage Humidity and Improve Air Quality

A worker installing a basement dehumidifier.

What We Do

  • Measure indoor humidity levels
  • Recommend a customized solution
  • Install an energy-efficient dehumidifier

What We Use

Graphic of a basement dehumidifier.

Basement Dehumidifier

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More Information About Our Services in Markham

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Award Winning and Highly Rated Repair Solutions

Burst pipes, groundwater seepage, and hydrostatic pressure could be to blame for your wet basement. During our free inspection, we’ll identify the cause of your problem and recommend the best repair solutions to dry out this part of your home.

Mold, pests, floor cracks, and foundation damage are common problems associated with a wet basement. Neglecting repairs could compromise your home’s entire structure, risking the safety of your loved ones.

We’ll give you an accurate time estimate when inspecting your home for free. Our team could complete your job in as little as a day.

Groundworks offers flexible financing options so you can pay for our services in installments. Contact us to learn more.

While store-bought dehumidifiers and other products might provide a temporary fix, they won’t tackle the underlying cause of your wet basement, which might be expansive clay soils or poor drainage. Working with a professional can identify the source of the problem and prevent water from returning.

Markham Local Office

Branch Address

12045 McCowan Rd
Stouffville, ON L4A 4C3

1-587-416-2586

Appointments available as early as Tomorrow

Why Homeowners Choose Groundworks

Inspections are always free and you get a quote same day.
Our solutions are customized for your unique home and situation.
Our in-house crews are certified and local to your area.
Our work comes with a nationally backed warranty.
We're there for you after repairs with service maintenance plans.
We put customer service first into everything we do for you.