Toronto Waterproofing & Underpinning Professionals

Family Owned Waterproofing and Underpinning Experts since 1961

Waterproofing Company | Basement Leak Repair

Waterproofing Toronto Homes for 60 Years

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.

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

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®-NaturaDRAIN 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.

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25 Hollinger Rd.
East York, ON
M4B 3N4

Niagara Falls

6100 Progress St., Unit 1
Niagara Falls, ON
L2E 6X8


51 Barron St.
Welland, ON
L3C 2K4


8 Featherwood Cres
Hamilton, ON
L8J 3P5

Tri City - Kitchener, Waterloo and Cambridge

565 Trillium Drive, Unit 4.
Kitchener, ON
N2R 1J4

Awards & References

City Wide Group reviews on HomeStars
BBB Accredited Business
Consumers Choice Award Winner 25 years
Mike Holmes Magazine