top of page

Foundation Repair & Basement Waterproofing Hamilton

Not your Average Waterproofers, Hamilton's Best

Welcome to Aquamaster, one of the leading basement waterproofing companies Hamilton. Clients come to us for peace of mind that their property is safe from water damage. Our services range from simple basement leak repairs, sump pump installation, and foundation crack repairs to complex projects like basement waterproofing, basement underpinning and more.


If you are looking for excellent quality, Aquamaster is here to help. Get started with a special offer today!

Built to Last for Decades

Team of Basement Waterproofing Contractors at Aquamaster

Signs that you Need Basement Waterproofing

Who Can Benefit From Basement Waterproofing in Hamilton?

Basement waterproofing projects can get complex. Protecting your property from water damage can include window well installations, sump pump installation and repairs, foundation crack repairs, basement leak detection and more. While services vary, the objective is always the same – design a perfect combination of service that will help protect your property from water damage, would fit your budget and match other requirements.


The best time to waterproof your basement is before you get water leaks. Below are some signs that will signal that you need basement waterproofing:


  • Basement Leaks – often happen when the snow is melting, during heavy rain, and in areas with lots of groundwater. If you see one, you may need a basement water leak repair service

  • Wet Basement – wet basement walls & wet basement floors are other common signs that you need to talk to basement waterproofing contractors

  • Foundation Cracks – unfortunately, o foundation cracks tend to get worse over time which can lead to basement water leaks and even basement floods. That’s why we recommend doing the foundation crack repairs as soon as you identify one

  • Water Coming up from Basement Floor – a common occurrence in Hamilton and yet another reason to contact basement waterproofing professionals

  • High Humidity in Basement – water may be making it through your foundation, if the humidity in your basement is high, you may want to talk to an expert


The list goes on. If you see these or other wet basement problems in your property, talk to basement waterproofing contractors to get an expert opinion!

What you Get with Basement Waterproofing?

What are the Benefits of Basement Waterproofing in Hamilton?

Basement waterproofing will help protect your commercial or residential property from water damage. The extent of the benefits you get will depend on the specific basement waterproofing services that are included in your project.


Here is a couple of basement waterproofing benefits:


  • Your Foundation will Live Longer – groundwater causes water damage to your foundation. Exterior basement waterproofing will help seal your foundation from the ground water. This means that your foundation is likely to live longer.

  • Prevents Basement Waterer Leaks – depending on the specific basement waterproofing service you get, the number of water leaks in your basement will decrease or basement water leaks will be gone completely.

  • Protect Construction Materials – water that makes it through your basement walls & floors can damage floor coverings, drywalls, paint and other construction materials it gets in touch with. Basement waterproofing will help prevent water damage.

  • Helps Prevent Basement Floods – basement leaks tend to get worse over time. If not basement leak repairs are not done properly or not done on time, at some point you may get a bigger problem – a basement flood, that are harder to stop and repair.

  • Protects Your Property – these are other benefits come down to protecting your property from water damage. This way your investment will be more safe.

  • Helps Increase Property Value – waterproofing your basement will make your property a safer investment. Chances are, potential buyers will pay more for it.


A team of basement waterproofing contractors at Aquamaster will design the right basement waterproofing solution for your objectives & your budget.


Talk to one of our experts today!

Team of basement waterproofing contractors Hamilton installing weeping tile around the foundation of a house

What Basement Waterproofing Approach is Right for You?

What is the Difference Between Exterior & Interior Basement Waterproofing?

Interior basement waterproofing and exterior basement waterproofing are two different methods of preventing water damage in your basement.

Interior basement waterproofing is rather a way to manage basement water, as it doesn't prevent water from entering your basement. Interior basement waterproofing typically involves installation of an interior drainage system, which collects water that enters through the walls and directs it to a sump pump, which then pumps the water out of the basement. 

Exterior basement waterproofing involves excavating the soil around the foundation of the property, repairing existing foundation cracks, and applying a waterproof coating or membrane to the exterior walls. Next steps involve weeping tile installation and more.

Exterior basement waterproofing is considered to be more effective. But it can also be more expensive and time-consuming than interior basement waterproofing, as it requires excavation and can be more complex to install. 

The best approach to basement waterproofing for your property will depend on the extent of the water damage, the amount of groundwater in your area, your budget, and your objectives. Get one of our basement waterproofing contractors on the phone today!

Services Included in Basement Waterproofing in Hamilton

Your Basement Waterproofing Project can Include Some of These Services

Basement Waterproofing Infographics

The scope of a perfect basement waterproofing project depends on your specific situation, budget, and objectives. Here are a couple of services that can be included in your waterproofing project in Hamilton.

Exterior basement waterproofing is a method of preventing water from seeping into a basement by applying a waterproof coating or membrane to the exterior walls of the foundation. This method involves excavating the soil around the foundation of the home to expose the exterior walls, which are then cleaned and prepared for the application of the waterproofing material.

The waterproofing material can be a liquid membrane or a sheet membrane, and it is applied to the exterior walls in multiple layers to ensure maximum protection against water intrusion. Once the waterproofing material is applied, the excavated soil is backfilled and compacted, and the surface is restored to its original condition.

A sump pump is a device that is used to remove water that has accumulated in a sump pit or basin. Sump pumps are typically installed in the basement or crawl space of a home, where water can collect due to natural groundwater or from flooding. When water collects in the sump pit, the pump is activated and begins to pump the water out of the pit and away from the foundation of the home. It is extremely important to ensure proper sump pump maintenance and to do sump pump repair or replacement as soon as your sump pump breaks. A broken sump pump may lead to a basement flood.

During basement plumbing rough-ins, the pipes are typically installed in the walls and floor of the basement. This includes pipes for hot and cold water supply, as well as drain pipes for wastewater and sewage etc. Vent pipes are also installed to ensure that the plumbing system operates correctly and to prevent sewer gas from entering the home.

The purpose of basement plumbing rough-ins is to prepare the basement for future plumbing fixtures such as sinks, toilets, and showers.

Basement Leak Detection & Basement Leak Repair Hamilton

Basement leak detection and repair is the process of identifying and fixing any leaks or water infiltration issues in a basement. Basements are prone to water damage and leaks due to their location below ground level, and these issues can cause serious damage to the structure of the building and the contents of the basement. Basement leak detection will help identify the specific source of the water leak. Our experts will then shift to foundation leak repair and will recommend the right solution to the basement water leak in your property.

Interior basement waterproofing is a method of preventing water from seeping into a basement by installing a drainage system on the interior of the basement walls. This method involves the installation of a perimeter drain system, which is typically a PVC pipe that is installed along the base of the interior basement walls.

The perimeter drain system collects water that enters the basement through the walls or floor and directs it to a sump pump, which then pumps the water out of the basement and away from the foundation of the home.

Crawlspace Encapsulation

Crawlspace encapsulation is the process of sealing the crawl space of a building with a vapor barrier to prevent moisture and other environmental elements from entering. The encapsulation process involves sealing the walls and floors of the crawl space with a heavy-duty plastic sheet or other barrier material, along with sealing any openings, such as vents or pipes. Crawlspace encapsulation has several benefits, including improved indoor air quality, increased energy efficiency, and protection against structural damage. By sealing and insulating the crawlspace, homeowners can prevent moisture and pests from entering the home and can reduce the risk of costly repairs due to water damage or mold growth.

Foundation repair refers to the process of repairing and restoring the structural integrity of a building's foundation. This can involve repairing cracks or other damage to the foundation walls or floor, stabilizing soil that has settled or shifted, and reinforcing the foundation to prevent further damage or settling.

Foundation repair is important because foundation problems can lead to a wide range of issues throughout a building, including uneven floors, cracks in walls and ceilings, doors and windows that don't close properly, and water damage. If left unchecked, foundation problems can also compromise the safety and stability of a building.

The exact methods used for a foundation repair will depend on the specific issues affecting the foundation. Make sure to consult a specialist if you see signs of foundation damage.

Foundation crack repair refers to the process of fixing cracks that have developed in the foundation walls or floor of a building. These cracks can occur due to a variety of reasons, including soil settlement, water damage, poor construction, or natural wear and tear. The repair process typically involves identifying the cause of the crack and addressing any underlying issues that may be contributing to it. The next step is repairing the foundation crack.  The method used to repair the crack will depend on the size and severity of the crack, as well as the materials used in the construction of the foundation. Small cracks may be repaired using epoxy injection or other sealants, while larger cracks may require the installation of carbon fiber or steel reinforcement systems. Bigger cracks may require other, more extensive foundation crack repairs.

Basement underpinning is a method of strengthening and increasing the depth of a home's foundation. This process involves excavating the soil beneath the existing foundation and extending it downwards to create additional space or support. Watch our video on the basement underpinning process at Aquamaster.

Weeping tile, also known as drain tile or French drain, is a type of drainage system that is installed around the foundation of a building to prevent water from entering the basement or crawlspace.

A weeping tile system typically consists of a perforated pipe that is surrounded by gravel or crushed stone. The pipe is installed around the perimeter of the foundation, and any water that collects in the soil around the foundation is directed into the weeping tile and carried away from the foundation.

  • Why is Basement Waterproofing Important?
    Your property may be protected from a number of unfortunate situations by having foundation and basement waterproofing done. Other then catching fire and burning down, flooding in a basement is one of the worst accidents that can happen in a home. When foundations begin to fracture, water can enter the basement and damage the bases of the flooring and walls. In the worst-case scenario, it may even cause a home to collapse. Basement waterproofing applies not just to basements but also the home’s foundations. Basement waterproofing is an essential fix if you have water, mildew, or rotting issues in your basement. Basement waterproofing can both solve any underlying issues in the space and be a preventative countermeasure against potential water damage. 1. Protects Structural Integrity of your Home - another advantage of waterproofing your basement is that it strengthens the structure of your home. Take note: your basement acts as the foundation for your home. It must be robust enough to complete this task. Waterproofing may ensure that your home lasts a prolonged lifespan. This is especially true if your home frequently experiences severe weather or adverse temperatures. 2. Increases the Value of Your Home - If you intend to sell your house in the near future, consider basement waterproofing. A home free of dampness and leaks is a crucial selling element for home buyers, making it more desirable. If you have not improved your basement in decades, buyers may consider it a significant inconvenience. This might give visitors a negative image of your home, especially if they smell the mustiness of old water. Distinct odors and signs of excess water can drive away potential buyers. Basements with waterproofing are also simpler to clean. This is another selling factor that can be desirable to future residents. Your home is more valuable if it is effectively protected and maintained. This adds more value to your home while you still live there and in the case that you do end up selling your home, a return on investment. In most circumstances, you may deduct the expenditures of the waterproofing job. 3. Prevents Mold & Mildew - Mold can be a serious problem if it develops in your home. Mold will gradually destroy the area where it colonizes and has the potential to create health problems for your home’s inhabitants. People who suffer from Bronchitis are especially vulnerable to mold and poor air quality. Mold grows from small spores that are invisible to the human eye and can be found in both outdoor and indoor air. Mold can start growing inside if it is on a damp surface. It simply requires moisture, water, and dust to thrive. Since dust is everywhere, if it settles on a damp surface, it might begin to grow indoors. That should give you an idea of the dangers of a damp or wet basement. However, basement waterproofing can prevent mold buildup from ever happening. Although mold typically stays unnoticed until it has developed, seeking the assistance of a qualified professional is a proactive decision. Certified specialists are trained to deal with mold in the home and are up to date on the latest products, techniques, and laws. Now, prevention is the greatest choice when it comes to keeping mold out of your home. So, if you discover a moisture or water problem, have it rectified or checked as soon as possible. With the benefits of basement waterproofing, there are two main types to consider, exterior basement waterproofing and interior basement waterproofing. Each with its own advantages and applications.
  • What are the Causes of a Leaky Basement?
    There is a number of things that commonly cause basement to leak, here is a couple of the most common ones. Basement Window Wells - Water penetration through your window sill can be caused by water buildup around near-grade basement windows. To remedy this, water entering your window area should be drained by adding or replacing defective window wells, as well as installing vertical weeping tile and a 3/4 gravel bedding. This will keep your foundation from leaking and your basement from flooding. Home Foundations made of Block or Bricks - Air gaps and mortar joints in block and brick walls may allow water to penetrate the crevices of your walls. Water infiltration inside block and brick foundations may be prevented and repaired using a mix of exterior and interior waterproofing methods. Water collecting between brick walls can be drained by drilling into the foundation’s interior to remove the water buildup. Basement Leaks Caused by Joints - joint leaks occur at the intersections of your wall and footing, your basement floor and foundation, and joints where additional extensions have been installed. To repair and fill these various sorts of joints, hydraulic cement is used. The altered cement is critical to preventing more damage and water leaks. Top of Foundation Leaks - If the sill is not sealed or if the original seal has deteriorated, the area where the foundation meets the brick might become a source of water leakage. Maintaining the sill with a waterproof sealant is critical for resolving this problem and avoiding water infiltration into the sill. Water may still pass through this place even if there is no hydrostatic pressure.
  • What is Internal Basement Waterproofing?
    Internal basement waterproofing is another method of stopping water damage and flooding in your basement. While external repairs provide the best solution, an internal project can be performed when foundation digging is not optimal. The internal waterproofing method may be the best option depending on a specific criteria: The area surrounding the exterior cannot be accessed because the space is confined or the area cannot be reached. The water problem is not a foundation leak but a hydrostatic pressure problem, which means the groundwater under the concrete slab raises up and down and causes the water to penetrate through the basement slab or where the wall meets the floor. This groundwater can also mean there could be an underground creek where the house was built. The internal system is an economical solution for unfinished living areas. Interior Wall & Floor Sealer - Internal waterproofing allows you to install drainage on the inside of your home, rerouting water intake to a correct point of release. The major advantage of implementing an internal waterproofing system is that it may collect water passing through the wall and beneath the footing. Basement walls that have been pierced will be drained away by our drainage membrane, creating a barrier between your wall and your living space. Water that travels beneath the footing might cause wet spots and leaks on your basement floor, which will be covered by the drainage board and drained through new weeping tiles. Sump Pumps - The fundamental component of every waterproofing system is a place where the water in the system may be discharged. When current drainage is clogged or there are no other drainage alternatives, your expert may recommend a sump pump installation. In your basement, a pit is dug to serve as the lowest point of your waterproofing system. Inside the pit, a high-quality plastic liner is put, allowing water to flow in by gravity drainage. The trigger of a sump pump, which ejects water from the sump pit to the exterior of the home, detects water buildup. We only utilize high-quality pumps and plumbing materials, and we also provide battery backup pumps that will keep working even if your power goes out. Before we perform any work, we provide you with the same inspection service. This is important to ensure that we cover every problem that is leading to a wet basement issue. After we have identified all of the trouble areas, we will provide you with the best internal waterproofing solution for your unique needs. Our internal waterproofing solutions may include repairing all cracks or breaks in your foundation walls, adding a waterproof membrane to the interior and replacing any defective weeping tiles. A French drain installation can also be part of your solution. This image gives you an overview of some of the problems that cause a wet basement: No matter how well your home was built, the basement can still develop leaks. Homes are constructed to meet industry and safety standards. However, over time, homes settle and the foundation walls and floor may crack. Other water problems may come from the water table under your home or changes in the city sewer system. A small leak now can turn into a major problem as time passes. Leaks also create mold, mildew and water damage. This can end up requiring very costly repairs to your home. Professional basement waterproofing requires knowledge and skills, along with the right resources and tools. A fully effective treatment includes addressing drainage and adding sealers. Once your basement is professionally waterproofed, it will remain dry. We guarantee this. Call us, or email us today, so we can provide you with an inspection and a cost effective solution to your leaky basement problem. Our licensed experts are ready to fix any type of foundation problem you are experiencing.
  • What Causes Basement Interior to Leak?
    Damp or Wet Basement Flooring - the source of water entering the basement through the concrete floor or where the basement walls meet the floor is most likely subterranean groundwater. Rising groundwater and saturation produce hydrostatic pressure during rainy weather, which pushes against the foundation and drives water through cracks and gaps in the concrete. This stress can cause cracks in the basement floor and walls. Visible White Substances on Walls - limestone, clay, mortar, and aggregate make up concrete and the white border or patch you observe is calcium evaporating from the block. It is a sign of water or too much moisture and should be treated carefully. It is referred to as efflorescence. Since this will only show on concrete, you will only be able to see it if your basement is not finished. Other indicators will develop if your basement is experiencing excessive leaking, water damage will nearly always show some kind of warning indication. Painted Walls Appear Damaged - paint can peel away from the surface it was painted on as it ages, similarly to peeling paint in older homes. It does not, however, flake off just because it is aged. Paint may peel for a variety of reasons, including the paint being the incorrect type for the material it was painted on, the surface not being properly prepared, or humidity or moisture in the walls you painted on. Wet surfaces will not hold paint. Water vapor will discolor it, causing it to peel off the wall or poke holes in it. This can be a direct indication that the walls of your basement are holding too much moisture or are very damp. Excess Rusting - metal rusts when there is an abundance of moisture in the atmosphere. Rust can form on fuse boxes, water heaters, jack posts, and appliances due to excessive moisture and humidity. When rust occurs, remove it completely and repaint it as soon as possible, and then analyze the source of the moisture. The rust will return if not addressed immediately.
  • How Exterior Basement Waterproofing Works?
    External waterproofing is the ideal solution to stem water damage, or to prevent excess water from getting past the foundation into the basement. However, external waterproofing does cause disruption to the outside of the home. The soil and underlying gravel have to be removed in order to get a close look at defects on the outside of the foundation. Power washing and then power drying the foundation walls is the best way to detect hairline cracks or fissures. Once the problem areas are uncovered, then each problem is handled separately. A flexible, cement sealant is applied to all the exposed areas of the foundation, which adds extra support and protection to the concrete foundation by strengthening the existing walls. Then a heavy polyurethane drainage mat is attached to the exposed walls. This extra protection on the outside ensures the foundation will ward off any excess buildup of groundwater. Outside drainage is another part of the waterproofing solution. Many homes still have the old-fashioned clay weeping tiles, which degrade and clog over time. Outdated drainage pipes are replaced with modern weeping tiles, which are made of plastic and perforated so they don’t clog as easily. Done correctly, external waterproofing will keep the foundation and basement watertight for decades. We are going to demonstrate the best practices of basement waterproofing that have been tested, proven and working for many years for all our clients. We are not talking about magic waterproof paints, channel drain tiles that sit on top of the footing, molding drainage system and e.c. None of them completely, and more important properly solve the wet basement issue. Most of the waterproofing systems have been designed for easy installation, and not for how well they will perform. That little box of tricks doesn’t take you very far. In fact, it sometimes takes you nowhere. The real best practice isn’t a particular product at all. It is a well-defined series of steps that conduct to effectively performing system. The Aquamaster’s approach is significantly different from quick fixes. It’s not based on guesswork, and it doesn’t have the excitement and appeal of magic products. Our solid knowledge, craft, skill, and expertise prove that it always works. Exterior waterproofing is a method of repairing a leaky basement from the outside of your home by exposing the foundation and applying the necessary waterproofing material to create a foundation waterproofing system that redirects and disperses water away from your foundation walls. This is one of the most effective waterproofing options for basement leaks and the most typical method of basement foundation repair. Aquamaster has been providing professional waterproofing to Toronto homes for many years. An external waterproofing solution is the best choice to provide the highest level of protection against basement flooding and water damage. Our experts understand the processes fully and we offer complete transparency in all the work we perform. We will explain every step of the process to you so that you will know what to expect from our work. Poor foundation drainage, high levels of groundwater, major storms and foundation cracks can all contribute to a wet basement and water damage. We will consult with you and inspect your home, drainage systems and property. We look for any problem areas and will discuss the recommended solutions to provide you with permanent protection from leaks and moisture. Every home is different and Aquamaster provides customized solutions for every job we complete. The work may involve repairing cracks with epoxy or replacing the waterproofing membrane along your foundations. In the majority of cases, external waterproofing involves digging down to the footers of your foundation to locate all the problem areas and ensure that your basement is fully protected. On some occasions, we may not have to completely dig out the foundation. You may simply need to have your weeping tiles replaced or a French drain installed. If your existing drains are clogged, the groundwater will back up and place additional pressure on the foundation walls, forcing water into any cracks. A complete inspection of your home’s drainage system and foundation is the only way to truly know what work needs to be done. The experts at Aquamaster will provide you with a customized plan to repair your basement that includes a full guarantee. We understand waterproofing in Toronto and the Greater Toronto area and our staff are experienced professionals.

Why Choose Us?

3,000+ Happy Clients Chose Aquamaster


True Warranty Coverage

Work, meterial and labour for 25 years. Fully transferable from owner to owner.

24-Hour Emergency

Our emergency team is available 24 hours a day.


Licensed & Insured

Aquamaster team is fully licensed & insured to work in plumbing, concrete, underpinning and waterproofing.



We offer all our clients 20% Off their first Aquamaster service. Get the offer today!

In Business Since 2009


We've been around for a while. We will be around for a lot longer!

royal-ontario-museum (2).png

Proudly Serving South Ontario

Aquamaster team is proudly serving multiple locations in Toronto, GTA and multiple locations in Sothern Ontario.


Best Materials

We always choose high quality materials because we want to provide high quality service. 


Peace of Mind

Our service is well-thought through, so you don't have to worry about it!

Basement Waterproofing Reviews

What Our Clients Say?


Stephanie G.

Residential Client

I used Aquamaster for two separate home waterproofing projects and I was extremely satasified with their work and price. Their team are highly skilled, thorough and were able to complete the 10.5 hour job in one day. They were even kind enough to seal my window frame after I noticed a minor leak. I would highly recommend Aquamaster for all your waterproofing and plumbing needs.

The Aquamaster team is absolutely fantastic! They went above and beyond to diagnose and correct the problem that I had with my basement plumbing caused by old pipes and persistent tree roots. I used them once in 2012 and in 2020. I cannot say enough good things about this team - Highly recommend.


Felicia F.

Residential Client


Chris D.

Residential Client

Aqua Master quoted me a very fair price for waterproofing and finshed the job ahead of schedule. We haven't had any water issues in our post-war hm since then. Highly recommend this business for its professionalism and quality of work. Hire with confidence!

How it Works?


Discovery Call

Connect with one of our certified experts, so we can advise on the best way to approach your project.


On-Site Survey

More complex projects require on-site surveys, where a certified Technician will provide a no-obligation estimate.



We sign a contract that outlines details of your project.



We do the work, you get peace of mind and a 25-year transferable warranty.

Aquamaster-Background-Waves copy.jpg

What are your Service Areas?

Proudly Serving Southern Ontario and Beyond



King City










And Southern Ontario...

Get Started with 10% Off Today!

Unparalleled quality service, 25 years warranty, all available today with 10% off.

bottom of page