Basement Waterproofing in Guelph

Have a leaky basement? Is your basement flooded in Guelph?

Aquamaster is your basement waterproofing company in Guelph offering full waterproofing services to safeguard your home against water damage. We’ve been repairing basement leaks, foundation cracks, and other wet basement issues for 15+ years. Our company provides lasting interior and exterior basement waterproofing, flexible financing, and a 25 year warranty on our work.

Guelph Worker standing on gravel in a foundation trench beside a Delta-MS membrane on a brick wall

Award-Winning Waterproofing Contractor in Guelph

Aquamaster has the honour of being named The Best of Basement Waterproofing company for 3 years straight. This is a testament to our unwavering commitment to bringing excellent basement waterproofing solutions to Guelph.

Licensed & Insured Professionals – We’re a team of qualified, licensed, and insured waterproofing experts in Guelph. Every waterproofing or plumbing repair job completed by our team is done professionally.

25-Year Warranty – Our warranty is one of the best in the industry and is your guarantee that the materials and workmanship we offer are top quality.

Trusted Guelph Waterproofing Experts – In our 15+ years of experience, we have tackled every type of waterproofing issue imaginable. Our methods are proven and stand the test of time.

Advanced Basement Waterproofing Materials – We use quality materials like polyurea membranes and premium sealants to fully protect your home against water damage 24/7.

At Aquamaster, water doesn’t stand a chance. We provide lasting waterproofing in Guelph by getting to the root of the issue.

Common Foundation Types and Waterproofing Problems in Guelph

Basement leaks in Guelph homes often depend on how the foundation was built and how it has aged. Stone, concrete block, and poured concrete foundations allow moisture to enter in different ways, so identifying the foundation material is an important first step.

Stone Foundations

Some older Guelph homes have stone foundations joined with mortar. Over time, mortar joints can deteriorate, allowing moisture to seep through gaps between stones, especially after heavy rain or snowmelt. Stone foundation waterproofing may require careful assessment of the masonry’s condition before repairs or drainage improvements are recommended.

Concrete Block Foundations

Concrete block walls have mortar joints and hollow cores that can collect water when exterior drainage is poor. Damp patches, white mineral deposits, or water near the basement floor may indicate foundation water leaks. Effective concrete block foundation waterproofing starts with locating the entry point and checking for wall movement or damage.

Poured Concrete Foundations

Poured concrete walls have fewer joints, but shrinkage, settlement, or pressure from surrounding soil can create cracks. Poured concrete foundation cracks may leak after storms or during spring thaw. A professional should evaluate cracks that widen, recur after repair, or show signs of movement before recommending repairs.

 

Choosing the right waterproofing method depends on the foundation material, its condition, and the source of moisture. A professional assessment helps determine when foundation repair in Guelph is necessary.

Our Basement Waterproofing Services in Guelph

Our services are all encompassing. We have a solution for every wet basement problem in Guelph. Our goal is to keep your basement and home safe and dry through advanced waterproofing techniques and best practices. We are meticulous and methodical, leaving nothing to chance. We fight hard against moisture, and it shows in the results.

Exterior Waterproofing Guelph

We use this type of waterproofing as a preventative measure to keep outside water from penetrating your foundation. It is our first defense and involves excavation around the walls of the foundation, repairing cracks, installing a waterproof membrane and drainage system, weeping tiles, and drainage boards. This ensures the integrity of your home’s foundation and keeps your home safe and dry.

Interior Waterproofing Guelph

Leaks can have an interior origin. When this happens, interior waterproofing makes all the difference. Our team conducts the necessary repairs to waterproof your basement . This includes fixing basement wall cracks and installing waterproof membranes inside the basement to guide the water outwards to the drainage system. Sump pumps also work to direct the water out of the basement.

Weeping Tile Installation Guelph

This technique is a proven element of waterproofing that allows you to manage groundwater effectively and affordably, thus protecting your foundation from water damage. This system is installed along your home’s interior and exterior to discourage pooling and limit the hydrostatic pressure that often leads to a leaky basement. The process involves digging trenches and placing perforated pipes.

Sump Pump Installation Guelph

Sump pumps play a major role at collecting water in a sump pit and depositing it away from the home’s foundation. They are often installed along with interior waterproofing systems and automatically kick in when water rises to a certain level. We offer a range of sump pump systems ranging from basic to advanced, and conduct repairs to existing systems for optimal performance.

Window Well Installation Guelph

Window wells may seem minor but are an essential element of waterproofing your home that drives water away from your basement windows. They must be installed properly to be effective. An additional benefit to these is that they can serve as an exit in an emergency. Our waterproofing experts excavate the soil around the basement window and install a draining system that fits snugly along the window to prevent water from entering.

Backwater Valve Installation Guelph

One of the most effective ways to prevent flooding into your basement is by installing a backwater valve that prevents sewage from backing up into your basement when it rains heavily or when the sewer overflows. This valve is installed in the main sewer line and can save you from expensive water damage repairs. We install backwater valves according to the standards outlined by local municipalities.

Foundation Repair Services in Guelph

When you see cracks or signs of a shifting or settling foundation, you need structural foundation repair. Our foundation repair services cut to the core of the issue and prevent it from escalating into a bigger problem.

Basement Underpinning Guelph

Reinforce your foundation through basement underpinning. It allows you to improve structural elements while also allowing you to lower the basement flooring to create more headroom. This goes a long way in creating a more functional space. We are experienced in basement underpinning and provide reliable basement undermining in Guelph that ensures your basement is up to code and safe for your family.

Bench Footing Guelph

When soil conditions are not favourable, or other reasons make underpinning basement underpinning unsuitable, bench footing is a good alternative. You can still successfully lower the floor of your basement without making changes to the foundation by constructing a ledge or a bench around the perimeter of the foundation. We can still increase headroom and simultaneously reinforce your foundation. Our team is experienced in bench footing techniques.

Basement Wall Crack Repair Guelph

Foundation issues can come up that require special techniques to address. It could be filling a hairline crack or providing more advanced solutions, like underpinning on bench footing. We handle everything from simple cracks to significant foundation setting or shifting. For high quality basement waterproofing, we use materials like epoxy or polyurethane injections. To solve more complex structural issues and exterior repairs, we provide advanced solutions to restore your home’s stability.

How Much does Basement Waterproofing Cost in Guelph?

Waterproofing a basement in Guelph costs anywhere from $80-$350+ per linear foot. Interior waterproofing costs anywhere from $80-$180+. Complete exterior waterproofing including excavation and installing membranes is roughly $100-$350 per square foot.

How much you will ultimately spend on basement waterproofing services depends on:

exterior basement waterproofing preparation in process

Basement Waterproofing Projects and Experience Near Guelph

We’re excited to share some of the work we’ve been honoured to do. Since we know that each project is unique, we tailor our solutions, making sure that we provide customized basement waterproofing services for your foundation.

We fully assess the different variables that contribute to the most effective approach. This includes paying attention to local climate conditions, soil composition, and other variables that determine what the best action plan should be.

Check out what we’ve been up to and the difference our waterproofing makes!

Our Guelph Basement Waterproofing Process

Free Consultation and Inspection

We conduct an on-site visit to see what the issue is and examine your pipes for leaks or other signs of water damage. Then we recommend the appropriate waterproofing services.

Detailed Project Agreement

We send you a detailed proposal that outlines all of the proposed work for the project. In it, we will mention timelines, materials, costs, and the process.

Professional Installation and 25-year Warranty

Our team of licensed water experts are fully qualified to address leaky basements. We use high-grade materials and our work is backed by a 25-year transferable warranty.

Why Choose Aquamaster for Basement Waterproofing in Guelph

Our team is licensed and experienced and we offer 24/7 emergency services. Plus, we give you a 25-year warranty, assurance that your home will be safe and dry for a lifetime. There’s a certain guarantee you can expect with Aquamaster. Incomparable high quality basement waterproofing provided to over 3,000 homes in the region.

25-Year Warranty
25-Year
Warranty

Our 25-year transferable warranty is your guarantee that we’re in it for the long-haul.

Emergency Services
Emergency
Services

We’re ready whenever water issues occur. Our emergency basement waterproofing services address quickly and completely.

Fully Licensed and Insured
Fully Licensed and Insured

Our team of waterproofing experts are certified, insured, and qualified to provide professional waterproofing you need.

Upfront Pricing & First-Time Customer Discounts
Upfront Pricing & First-Time Customer Discounts

No hidden costs, plus we reward you for choosing us by offering a 10% discount on your first service.

Trusted Since 2009
Trusted
Since 2009

We’ve established a solid reputation in Guelph and beyond, and have experience fixing all types of basement waterproofing issues.

Serving Southern
Serving Southern
Ontario

A top waterproofing company in Guelph and trusted name in Southern Ontario for effective basement waterproofing.

Top-Quality Materials
Top-Quality Materials for Lasting Results

Use choice materials like Delta MS and Aqua Bloc assures long-term waterproofing that we stand by.

Stress-Free Experience
Stress-Free Experience

Waterproofing with us is hassle-free. We execute each job well and provide a smooth and positive customer experience.

Basement Waterproofing Reviews from Our Customers

Your Guelph home is in good hands with us. We are thorough and offer sound basement waterproofing and plumbing solutions, leaving nothing to chance. Aquamaster has proudly received over many five-star reviews from satisfied customers in Guelph! Discover what our past and current clients have to say about their Aquamaster experience.

4.9
Based on 113 reviews
As first-time home buyers navigating the competitive Cambridge real estate market, our home inspection report flagged some worrisome white powdery efflorescence and minor moisture staining along the basement foundation walls of a property we were hoping to purchase. Before removing our purchase conditions, we hired Aquamaster Basement Waterproofing to conduct an objective, specialized pre-purchase engineering assessment. Their technician arrived promptly with advanced thermal imaging cameras and precision moisture-detection meters, spending well over an hour examining every linear foot of the foundation, both inside and out. Instead of exploiting our anxiety as first-time buyers to scare us into buying an expensive, unnecessary full-scale waterproofing overhaul, he provided a remarkably honest, refreshing evaluation. He confirmed that while the foundation itself was completely sound and bone dry, our main issue stemmed from poor exterior grading sloping toward the house and neglected downspout extensions. He mapped out a clear, practical roadmap of DIY preventative steps we could take ourselves, and provided a very modest, written quote for a minor hairline crack repair down the road if it ever began weeping. That level of absolute, uncompromised integrity is virtually unheard of in the home improvement industry. When we officially move in and eventually need major renovations, Aquamaster will be the only phone call I make.
Alisa
14:50 18 Oct 26
Living in a multi-level split home in Cambridge often means dealing with tricky property grading and stubborn surface water drainage issues. During the heavy autumn rains, we ran into a frustrating problem where water was collecting right against our side foundation wall and beginning to seep in near the baseboards of our finished guest bedroom. Desperate for a permanent, professional solution, we called Aquamaster Basement Waterproofing, and an expert was dispatched to our property the very next morning. The technician designed a clever, comprehensive drainage solution: installing a specialized exterior surface channel drain in the narrow side alleyway, tying it into a dedicated subterranean discharge line, and combining it with a targeted interior pressure-relief membrane system along the vulnerable wall. The installation crew was exceptionally courteous, mindful of our property boundaries, and hyper-focused on maintaining a clean worksite. They hauled away all excavated earth daily, ran rigorous hose tests to verify drainage flow before wrapping up, and left the side alley immaculate. The pricing was exceptionally fair for the immense physical labor involved, and the structural reliability of the setup has given us complete peace of mind through every season since. Fantastic experience!
Artem Kravets
00:30 18 Oct 26
Very disappointed with both the work and how Aquamaster handled our concerns. Based on our experience, I would strongly recommend going with a different company.We hired Aquamaster to repair foundation cracks and install an interior weeping tile connection to our sump pump. The work was completed in February, but despite the invoice stating the area would be enclosed and heated to allow the waterproofing materials to cure, this was not done. We later also found that the weeping tile had been installed at an upward angle, preventing water from properly draining to the sump pump.After the house leaked again, Mike quoted us another $20,000 to address the issue. At that point, we spoke with other contractors who all raised concerns with the original repair approach, and we ultimately had Aquamaster’s work redone by someone else.When we asked for a refund, Aquamaster gave us a really hard time and said their warranty only covered them coming back to repair their own work. At that point, I no longer trusted them to work on my home, so that was not a reasonable solution for us. After many messages, they eventually offered a 10% refund, which I felt was very low considering we had paid almost $9,000 and ultimately had all of the work completely redone by another contractor.This was not an acceptable resolution for us. We paid for the work to be done properly and we did not get that. When the finished work is buried, you need to trust the contractor doing it. Based on our experience, I would not trust Aquamaster with this type of work again.
Sean Pittman
01:47 03 Sep 26
I called Aquamaster in regards to my sump pit and what I thought may be an issue. Speaking to Mike over the telephone he took the time to review my concern and provided an answer that made sense to my inquiry. Mike returned my call within a couple of hours of leaving a message and was very professional and polite on the telephone
Dino
19:37 11 Aug 26
Mike came to our home to do a camera inspection of our weeping tile. Although he took the time to set everything up and try, the camera was only able to go in about 3 feet and couldn’t go around a corner due to the way the weeping tile had been cut previously. Even though he still spent his time on the job, he did not charge us since we didn’t get any usable results. We really appreciated his honesty and professionalism. Thank you, Mike!
Alan Powell
04:41 01 Mar 26
Mike and his crew are professionals. They did an excellent job on my basement cracks. They also cleaned up right after. I would recommend Aquamasters and call them again should the need arise in the future !
Henry Dispo
23:41 13 Jan 26
Alex and Sarah were wonderful to deal with from start to finish. They were honest about the scope of work and gave us a fair price. Their crew completed an exterior waterproofing project that other companies said would be too difficult. Everything was done beautifully and within the promised timeline. The best part is that our basement has been completely dry ever since. I would recommend Aquamaster to anyone without hesitation.👍
Kostik
01:38 11 Nov 25
Our experience with Aquamaster was exceptional from the first call. Maria at the office was friendly and efficient, and the on-site crew led by Kevin did an incredible job. They fixed a long-standing leak by waterproofing both the interior and exterior foundation. Everything was done professionally, and they even cleaned up afterward. The results speak for themselves—no more water, no more worry.
лол
01:35 10 Nov 25
We had an amazing experience with Aquamaster. Sarah and Kevin provided a detailed quote and helped us understand the waterproofing process. The team installed a new sump pump system and repaired a crack that had been leaking for months. They were friendly, organized, and made sure everything was spotless before leaving. It’s such a relief to know our basement is finally protected. This company truly deserves five stars for their professionalism and quality of work.
Dmytro Pikalov
05:48 09 Nov 25
We hired Aquamaster to repair a major leak that flooded half our basement last spring. Mike and Daniel were incredible to work with—they arrived on time every day, worked efficiently, and took the time to explain each step. They completed a full interior waterproofing system and sealed the floor joints perfectly. The transformation is unbelievable—our basement is now completely dry and usable again. I’ve already recommended them to two of my neighbors.
Александр Глушкин
19:49 07 Nov 25
Alex and Mike from Aquamaster were amazing. They installed a new sump pump system and made sure everything was tested before leaving. Great communication, fair pricing, and excellent workmanship.
Renat
03:03 06 Nov 25
Our basement used to flood every spring. David and his team from Aquamaster installed an interior drainage system and new sump pump. Now it’s bone-dry even during heavy rains. Best decision we ever made!
Рам 01
04:20 04 Nov 25
Aquamaster did an amazing job waterproofing my basement. The team was efficient, friendly, and very professional. Highly recommend!
финн ручка
22:55 28 Oct 25
My entire experience with Aquamaster was smooth and stress-free. They were upfront about pricing, kept me informed throughout the process, and finished on time. The workers were respectful of my home and did a wonderful job.
888 ???
22:38 24 Sep 25
Mike and his crew worked very hard and quickly! Gave confidence in the job they did, and best price after checking 3 places. Highly recommend!
Darren Brogreen
12:47 31 Aug 25
Aquamaster is hands down the best waterproofing company I’ve worked with. Their crew was professional, well-organized, and very skilled. They repaired my leaking basement window wells and sealed cracks in the foundation. Everything looks great and works perfectly.
Nasta Vlog
06:07 28 Aug 25
My experience with Aquamaster was excellent. They repaired my foundation and added exterior waterproofing around my home. The workers, especially Sam, were friendly and knowledgeable. The quality of the work is outstanding, and I’d recommend them to anyone dealing with water issues.
Marga
05:18 28 Aug 25
Aquamaster was recommended by a friend, and I’m so glad I called them. The team, especially Peter and Sam, did outstanding work. They made sure to protect my floors and cleaned everything up afterward. Highly trustworthy company.
Necsi
07:24 21 Aug 25
Aquamaster was fantastic from start to finish. The crew was on time every day, super professional, and did amazing work. Everything was explained clearly and done right the first time. Highly recommend!
Иван Девятко
05:55 29 Jul 25
It’s rare to find a company that delivers exactly what they promise. Aquamaster did just that. From the first call with Sarah to the job completed by Mike and Khalid, everything was handled with care and professionalism. Our basement has been dry ever since the install.
Echevarriia Polina
00:23 28 Jul 25
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Frequently Asked Questions About Basement Waterproofing in Guelph

Basement waterproofing cost in Guelph can be anywhere from $70- $350 per linear foot. Here’s a breakdown of the various costs.

  • Interior waterproofing in Guelph – $70-$350 per linear foot
  • Exterior waterproofing in Guelph – $100-$300 per linear foot
  • Window well installation in Guelph – between $1,800 and $4,000
  • Sump pump installation in Guelph – between $700 and $4,500+
  • Foundation Repair Guelph – $600+ outside from $1,800+ per wall

Read more in our Cost Guide

Some of the common basement wall leaks and glass is caused by:

  • Hydrostatic pressure and high water table – Guelph has plenty of clay which retains water. When heavy rain or snow melts occurs, there’s a buildup of water around the foundation areas around your foundation and cause cracks.
  • Foundation cracks. Cracks in your foundation can be the result of soil shifting or foundation settling.
  • Poor drainage – If the ground slopes towards your house instead of away from it, water can gather around your foundation and weaken it.
  • Buildup & deterioration – Clogged or broken downspouts, window well leaks, deteriorated sealants or waterproofing membranes.

Read more in article Five Main Causes of Basement Leaks

Professional waterproofing lasts 25-50+ years. The use of high-quality membranes and a good drainage system are key to long lasting waterproofing for your home.

For best results, it’s best to do both. Exterior waterproofing prevents water from entering your home. This is a more expensive and extensive type of waterproofing. Interior waterproofing deals with the interior of your basement but does not protect your foundation.

Yes. This is especially important that you live in an area that has a high water table or if your basement often has water buildup. Installing the sump pump diverts water away from your foundation, protecting your basement and home.

Yes. Effective waterproofing protects your home from water leaks and preserves the integrity of your home’s foundation. This increases the value of your home and protects your investment.

You can waterproof your home anytime during the year, however, it’s better to do it in spring and summer simply because the soil is looser and easier to excavate. It’s also a better time to inspect your foundation for basement leaks.

No. Waterproofing must be done by waterproofing professionals with the expertise, advanced equipment for excavation, and skill to safely install waterproof membranes, sealants and other waterproof measures.

On average, exterior waterproofing takes about 3 to 7 days based on soil conditions and excavation. Interior waterproofing typically can be completed in 1 to 3 days.

Read more about our Timelines