your basement experts for over 63 years


Your Trusted Waterproofing Company Toronto 

Family Owned Waterproofing Company Toronto – Your Waterproofing and Underpinning Experts since 1961

+1 416-283-5500


Blindside Applications


SpraySeal is an elastomeric coating for waterproofing vertical walls, ICF foundations, and more. SpraySeal is eco-friendly, safe to use, weather resistant, waterproof, and protects against corrosion. SpraySeal is a highly versatile elastomeric coating that is cold-applied using a spray system.


Air barriers control air leakage in and out of the building enclosures. Naturaseal’s Air Barrier NS-A250 is a highly versatile elastomeric coating that is cold-applied using a spray system, and separated into assemblies, systems, materials, components, and accessories.


DELTA®-Natura DRAIN is a high performance, 3-dimensional drainage composite with three layers. The drainage core provides high impact-and tear-resistance and is unaffected by environmental stress-cracking.

We Provide Essential
Waterproofing, Underpinning and Drain Support!

We Provide Essential
Waterproofing, Underpinning and Drain Support!

Over 63 Years as Your Toronto Waterproofing Company

Water damage can wreak havoc in any home. Even if you catch it early, it can be quite expensive to repair. Further, the longer water damage goes unaddressed, the greater the damage can be. The soggy, warped and rotting building components left behind once the water has subsided is the perfect breeding ground for mold, which creates a health hazard within the home and requires an entirely different approach. Even if your home is not currently experiencing any signs of water damage from issues related to a leaking or faulty foundation, there are steps you should take to prevent that from happening.

The City Wide Group has been a leading Toronto waterproofing company for over six decades. Since we first opened our doors in 1961, we’ve delivered nothing but quality work that is completed on time and on budget – it’s how we built our reputation in our community as a trusted waterproofing company in Toronto.

Family owned and operated, our team has spent decades helping clients with all their water damage, waterproofing solutions and waterproofing services, foundation cracks, basement wall, and wet basement needs. We always prioritize our clients and their needs; it’s what’s propelled City Wide Group to win the prestigious Consumer’s Choice Award for 27 consecutive years.

For waterproofing and underpinning solutions that are sure to protect your home, choose The City Wide Group.

Our expert advice and timely, dependable service are backed by an accurate estimate that will be done well in advance of the project commencing – and we always guarantee customer satisfaction after the work is complete. We can permanently prevent wet and leaky basement Toronto issues and seal foundation cracks – inside and out . Additionally, we install weeping tiles, drains inside or out, and underpin your basement to ensure that your home is fully waterproofed. .

Safeguard your family’s health and your property’s value with a waterproofing company Toronto you can trust – contact The City Wide Group.


Waterproofing Toronto Homes for 63 Years

It’s important that basement leak repairs are done right so that the issue doesn’t every again come back. And the only way to do that is to work with a basement leak repair Toronto team that has the experience and knowledge necessary to get the job done right the first time. And here’s the best part: we use our decades of knowledge and experience to keep your basement leak repair cost down as much as possible. We also provide proactive services, like waterproofing and underpinning, to ensure that your basement is ready to withstand everything the elements can throw at it.

We provide waterproofing and underpinning services across the GTA:

Underpinning and Waterproofing Company Toronto FAQ





January 13th, 2024|

Considering all the Angles When you decide to get your property underpinned your contractor needs to have the expertise to deal with all the complexities of the project. City Wide Gro[...]


January 13th, 2024|

This winter has brought record levels of snow to Toronto and Southern Ontario. There have already been periods of melting and then re-freezing and the spring promises to bring more cyc[...]


January 13th, 2024|

Residential Underpinning Most new homes come with a standard height basement of approximately nine feet. Even if not finished, there is enough headroom to make the basement a comfortab[...]


January 13th, 2024|

Sump Pumps Sump pumps are used to pull water out of a sump pit into a sewer, drainage ditch or well. Many homes have sump pits below the foundation and in some places, the Ontario Buil[...]


January 13th, 2024|

You may not have to move to get that extra space you need.Bricks and mortar buildings are the home for a variety of business needs. You can be operating a retail business, factory, pla[...]


January 13th, 2024|

Canadian winters can be unpredictable, but you can be sure of one thing – you need to protect your property from the impact that snow and ice can have on your foundation. The pressure [...]


January 13th, 2024|

As Benjamin Franklin said, an ounce of prevention is worth a pound of cure. When it comes to your basement, it may be worth a lot more! You never want to find that water or excessive m[...]

Share This Information About The City Wide Group Inc.


The City Wide Group prides itself on superior quality, adhering to the philosophy of doing things correctly from the outset and striving for unmatched customer contentment. Our assurance in our craftsmanship and wealth of experience makes us the only company in Toronto & the GTA to offer a real LIFETIME WARRANTY. Opt for The City Wide Group for foundation waterproofing, and we promise your treated area will remain free from water or moisture entry for as long as your house stands. Our services come with a warranty certificate that is transferable to endless future homeowners.

  • Before any digging gets underway, The City Wide Group ensures all utility services are informed and the dig site is clearly marked.

  • We first reveal the foundation’s walls and base, giving them a good clean to guarantee that the new concrete will bond well.

  • To deal with any cracks or openings in the foundation, we fill them with a specific type of cement before applying a fresh concrete layer over the entire area.

  • We then secure the foundation with a RUBBER BITUTHANE MEMBRANE for waterproofing, covering both the wall and its base.

  • Additionally, we attach a DELTA MS plastic mat along the foundation wall down to the base, aiding in water drainage.

  • New weeping tiles are installed to divert water from the foundation, surrounded by clean ¾” gravel to ensure proper drainage.

  • The dug-out soil is then replaced and compacted firmly to avoid any future ground movement.

  • After the work is finished, we thoroughly clean the site of any construction debris.

  • To wrap up, we repair and reinstate any outdoor spaces and landscaping that were affected by our work.


Whether you have an actual water leak or evidence of water seeping through the walls, contact City Wide Group for a free estimate about how to waterproofing your basement.

Please complete this form and we will call you back to arrange an appointment for a Free Estimate.

Company Information

25 Hollinger Road,
East York, Ontario, M4B 3N4

Phone: +1 416 283 5500

Web: Website


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