Basement Waterproofing & Foundation Crack Repair Experts in Ontario & GTA

Water problems can quickly damage your basement, weaken your foundation, and create expensive repairs. Our professional waterproofing team helps homeowners and businesses protect their properties with reliable basement waterproofing, foundation repair, and drainage solutions.

Book a free foundation inspection

24/7 Emergency Response

Rapid foundation help when cracks, leaks, or water issues appear.

About Us

Ontario Foundation Group is a licensed foundation repair company serving Ontario and the GTA, built on the straightforward idea that homeowners deserve honest answers, fair pricing, and repair work that actually holds up over time. We are local foundation repair experts who have spent 20+ years working on Ontario specific housing stock, the older concrete block foundations, the clay-heavy soil conditions, and the drainage challenges that come with Ontario's freeze-thaw cycles, and we understand these homes in a way that only comes from actually working on them week after week.

Years Of Expertise, Thousands Of Happy Customers
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20+ Years Of Trusted Waterproofing Specialists Serving Ontario & GTA

Your home deserves protection from water problems that can affect your basement, foundation, and overall property value. Our team provides complete waterproofing and foundation solutions designed to solve current issues and help prevent future damage.

We understand that every property is different. Some homes experience water seepage through foundation walls, while others deal with basement leaks caused by poor drainage, hydrostatic pressure, or damaged waterproofing systems.

Basement water leaks

Foundation cracks

Water seepage

Basement flooding

Damp basement conditions

Mold and mildew growth

Drainage problems

Foundation moisture

Structural concerns

Complete Waterproofing and Foundation Solutions

We provide a full range of waterproofing services to protect your basement, foundation, and property from water damage.

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Basement Waterproofing

A wet basement can lead to damaged walls, mold growth, bad odors, and costly repairs. Our basement waterproofing solutions help control moisture and protect your living space.

We provide:
Interior basement waterproofing
Exterior basement waterproofing
Basement sealing
Basement leak repair
Basement water damage solutions
Waterproof membrane installation

Our team identifies the source of water entry and creates a solution that helps keep your basement dry throughout the year.

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Foundation Waterproofing

Your foundation supports your entire property, so protecting it from water damage is important. Moisture around your foundation can lead to cracks, leaks, and structural problems.

Our foundation waterproofing services help protect against:
Groundwater
Hydrostatic pressure
Heavy rain
Snow melt
Poor drainage
Foundation moisture

We use reliable waterproofing methods, including foundation sealing, waterproof membranes, drainage systems, and exterior waterproofing solutions.

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Foundation Repair and Crack Repair

Even small foundation cracks can allow water to enter your basement. Early repair can help prevent bigger issues in the future.

We repair:
Vertical foundation cracks
Horizontal foundation cracks
Concrete foundation cracks
Wall cracks
Floor cracks
Foundation settlement issues
Bowing foundation walls

Our foundation repair solutions may include:
Concrete crack injection
Epoxy crack injection
Polyurethane injection foam
Foundation sealing
Structural repair solutions

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Basement Leak Repair

A leaking basement can happen for many reasons, including damaged foundations, poor drainage, broken drainage systems, or water pressure around your home.

Our basement leak repair services help solve:
Water coming through basement walls
Basement floor leaks
Foundation leaks
Window well leaks
Seepage problems

We focus on finding the source of the leak and fixing the cause instead of only treating the visible water damage.

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Weeping Tile and Drainage Solutions

Proper drainage plays an important role in protecting your basement and foundation. A damaged or blocked drainage system can allow water to build up around your home.

We provide:
Weeping tile installation
Drain tile systems
French drain installation
Perimeter drainage
Foundation drainage solutions
Window well drainage
Downspout extension solutions

Our drainage systems help move water away from your foundation and reduce the risk of basement water problems.

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Sump Pump Installation and Repair

A properly working sump pump helps remove excess water from around your foundation and reduces the risk of basement flooding.

Our sump pump services include:
Sump pump installation
Sump pump repair
Sump pump replacement
Backup sump pump systems
Battery backup systems
Sump basin installation

We help you choose the right sump pump solution based on your property’s drainage needs.

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Profesional Team

Basement and Foundation Problems We Help Solve

Water problems rarely fix themselves. A small leak, crack, or moisture issue can become a bigger problem when it stays untreated. Our waterproofing specialists help homeowners and businesses identify the cause of water damage and provide the right repair solution.

We help solve common basement and foundation problems, including:

Basement Water Leaks

A leaking basement can damage your walls, flooring, furniture, and stored belongings. Water can enter through foundation cracks, basement windows, floors, or weak waterproofing areas.

Common signs of basement leaks include:

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Water stains on walls

Damp basement areas

Wet basement floors

Musty odors

Visible moisture

Standing water

Our team inspects the affected area, finds the source of the leak, and provides a reliable basement leak repair solution.

Water Seepage and Moisture Problems

Water seepage happens when moisture slowly enters your basement through walls, floors, or foundation areas. Even small amounts of water can create long-term damage.

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Basement seepage

Foundation moisture

Damp basement conditions

Basement condensation

Efflorescence

Mold growth

Mildew problems

Our waterproofing solutions help control moisture and create a healthier indoor environment.

Foundation Cracks and Structural Concerns

Foundation cracks can allow water to enter your property and may affect the strength of your foundation over time.

We inspect and repair:

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Vertical foundation cracks

Horizontal foundation cracks

Wall cracks

Floor cracks

Concrete foundation damage

Foundation settlement

Bowing foundation walls

Our team evaluates the condition of your foundation and recommends the right repair method based on the type and severity of the issue.

Hydrostatic Pressure and Drainage Problems

Hydrostatic pressure occurs when water builds up around your foundation and pushes against your basement walls. This pressure can create cracks, leaks, and foundation movement.

Common causes include:

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Poor drainage

High groundwater levels

Heavy rain

Snow melt

Clogged weeping tile

Clogged weeping tile

Broken drain pipes

We provide drainage improvements and waterproofing solutions that help reduce water pressure around your foundation.

Exterior Waterproofing

This method helps protect your foundation from groundwater, soil moisture, and water pressure.

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Foundation excavation

Exterior foundation waterproofing

Waterproof membrane installation

Foundation sealing

Exterior drain tile systems

Foundation coating

This method helps protect your foundation from groundwater, soil moisture, and water pressure.

Advanced Waterproofing Materials and Repair Methods

We use reliable waterproofing materials and proven repair methods to provide long-lasting protection for your property.

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Waterproof Membranes

Waterproof membranes create a protective layer that helps prevent water from entering your foundation.

Our waterproofing systems may include:

Blueskin membrane

Waterproof membrane systems

Liquid waterproofing membrane

Bituminous membrane

Polyurethane membrane

Cementitious waterproofing

Drainage boards

Vapor barriers

The right membrane depends on your foundation type and waterproofing requirements.

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Concrete Crack Injection

Concrete cracks are one of the most common causes of basement water leaks. We use professional crack repair methods to seal cracks and reduce water entry.

Our crack repair solutions include:

Epoxy crack injection

Polyurethane crack injection

Polyurethane injection foam

Crack filler

Hydraulic cement repairs

These solutions help restore protection and prevent future moisture problems.

Drainage Systems That Protect Your Property

Proper drainage is one of the most important parts of basement and foundation protection. A good drainage system helps move water away from your home and reduces pressure around your foundation.

We install and repair:

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Weeping Tile Systems

A weeping tile system collects groundwater around your foundation and directs it away from your property.

Our services include:

Weeping tile installation

Weeping tile replacement

Foundation drainage repair

Exterior drain tile installation

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French Drain Systems

French drains help redirect water away from areas where drainage problems occur.

They can help with:

Standing water

Yard drainage issues

Control moisture

Poor surface drainage

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Additional Drainage Solutions

We also provide:

Perimeter drains

Catch basins

Floor drains

Drainage pipes

Window well drains

Surface drainage

Yard drainage improvements

Downspout extensions

Our goal is to create a complete drainage system that protects your foundation and basement.

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Crawl Space Encapsulation Services

A damp crawl space can create moisture issues throughout your property. Without proper protection, crawl spaces can develop mold, mildew, and unpleasant odors.

Our crawl space encapsulation services help:

Perimeter drains

Reduce humidity

Protect foundation areas

Improve indoor comfort

Prevent future moisture problems

We use effective sealing methods and moisture barriers to create a cleaner and more protected crawl space environment.

Our Professional Waterproofing Process

Every water problem has a reason behind it. A proper repair starts with understanding the cause, not just covering the signs of damage.

Our team follows a simple and effective process to provide the right waterproofing solution for your property.

Complete Property Inspection

We begin with a detailed inspection of your basement, foundation, and drainage system. Our specialists look for signs of water entry, moisture damage, and foundation concerns.

During the inspection, we check for:

Basement water leaks

Foundation cracks

Water seepage

Moisture problems

Drainage issues

Mold and mildew signs

Foundation movement

Damaged waterproofing systems

A proper inspection helps us understand the condition of your property and identify the best repair approach.

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Find the Source of the Problem

Water can enter your property from different areas. Finding the source helps us create a solution that provides long-term protection.

Common causes include:

Foundation cracks

Poor drainage

Hydrostatic pressure

Groundwater

Damaged weeping tile

Broken drain pipes

Poor grading

High water levels around the foundation

We take the time to understand the issue before recommending any repair.

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Recommend the Right Waterproofing Solution

After inspection, we explain the problem clearly and provide suitable options for your property.

Depending on your needs, we may recommend:

Basement waterproofing

Foundation waterproofing

Interior waterproofing

Exterior waterproofing

Sump pump installation

Weeping tile systems

French drain installation

Drainage improvements

Crawl space encapsulation

Our goal is to provide a solution that matches your property’s needs and protects it for the future.

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Professional Installation and Repair

Our team completes every project with attention to detail and quality workmanship.

We use reliable waterproofing methods and materials to help protect your:

Basement

Foundation

Crawl space

Drainage system

Commercial property

From small basement leaks to major foundation concerns, we provide solutions designed for long-term performance.

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Why Choose Ontario Foundation Group Company?

Choosing the right waterproofing contractor can make a big difference in protecting your property. Water problems require proper inspection, skilled repairs, and reliable solutions. Here is why homeowners and businesses choose our team:

Honest Assessments

Clear Pricing

Licensed and Insured

Work That's Built to Last

20+ Years Of Experienced Waterproofing Specialists

 

With 20+ years of experience, our waterproofing specialists understand the challenges of basement leaks, foundation issues, and drainage problems. We provide reliable solutions for residential homes, commercial buildings, basements, crawl spaces, and foundation systems. Our team focuses on identifying the root cause of each problem and delivering the right repair solutions to protect your property. 

Complete Waterproofing Services

We provide reliable waterproofing solutions for homes and businesses, handling everything from basement leaks and foundation repairs to drainage and moisture control.

Our services include:

Foundation repair, sealing & crack injection

Foundation repair, sealing & crack injection

Waterproof membranes and foundation coatings

Sump pump installation and services

Commercial waterproofing solutions

Commercial waterproofing solutions

We focus on fixing the source of water problems with solutions designed for local soil, weather, drainage, and groundwater conditions.

Serving homeowners and businesses across Hamilton, Burlington, Oakville, Ancaster, Dundas, Stoney Creek, and the Greater Toronto Area.

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Local Waterproofing Experts

Understanding local conditions helps create better waterproofing solutions. Soil conditions, weather, drainage patterns, and groundwater levels can all affect basement and foundation problems.

We proudly serve homeowners and businesses in:

Hamilton

Burlington

Oakville

Ancaster

Dundas

Stoney Creek

Greater Toronto Area (GTA)

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Residential and Commercial Waterproofing Services

Residential Waterproofing

Your home should be a safe and dry place for your family. We help homeowners protect their properties with reliable waterproofing and foundation solutions.

Our residential services include:

Basement waterproofing

Foundation waterproofing

Basement sealing

Foundation crack repair

Sump pump installation

Crawl space encapsulation

Drainage solutions

We help prevent water damage and protect your home’s value.

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Commercial Waterproofing

Commercial buildings need strong protection against moisture and water damage. We provide waterproofing solutions designed for different commercial properties.

Our commercial services include:

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Commercial waterproofing

Commercial foundation repair

Industrial waterproofing

Parking garage waterproofing

Elevator pit waterproofing

Warehouse waterproofing

Building envelope waterproofing

Concrete restoration

We help businesses protect their properties with professional waterproofing services.

Get A Quick Free Inspection!

A foundation problem doesn't get smaller on its own.

If youve been putting off getting a proper look at what's going on in your basement or foundation, the best time to deal with it is before it gets worse. Schedule your appointment today

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Customers Support

289-514-9701

What Our Clients Says

Frequently Asked Questions

Common signs include water stains, damp walls, musty smells, basement leaks, mold growth, and visible foundation cracks. A professional inspection can help find the cause of the problem.

Basement leaks can happen because of foundation cracks, poor drainage, groundwater, hydrostatic pressure, damaged waterproofing, clogged weeping tile, or heavy rainfall.

Basement waterproofing protects your property by controlling water entry. Depending on the problem, solutions may include interior drainage, exterior waterproofing, waterproof membranes, sump pumps, and foundation repairs.

Yes. Foundation cracks can allow water to enter your basement and may become larger over time. Early inspection and repair can help prevent bigger problems.

A sump pump collects excess water and moves it away from your foundation. It helps reduce the risk of basement flooding and water damage.

A weeping tile system is a drainage system installed around your foundation. It collects groundwater and directs it away from your home.

Yes. We help homeowners and businesses with urgent basement water problems and provide solutions to reduce further damage.

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