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Commercial Waterproofing

Proven experience, safety, and innovation in concrete repair and waterproofing.

Our Services

Joint Seal Waterproofing, a Toronto-based waterproofing company offers a wide variety of concrete repair and waterproofing services.


From healthcare and hospitality, to airports, commercial and industrial, our projects tell stories of quality we are quite proud of.

Waterproofing and Concrete Repair in Toronto

Joint Seal Waterproofing is a company focused on concrete repair and waterproofing in Toronto and the GTA. Our White Glove customer service, project management, and online client scheduling portal exceed all industry standards. Our extensive experience with waterproofing in Toronto and the GTA guarantees top-quality work. A high level of customer satisfaction is evidenced by an overwhelming majority of repeat clients.

Detailed Scope

For both waterproofing and concrete repair projects, engineering-report-style scope detail outlines each individual area repaired, providing a clear view of project progress. Customers can select and monitor delivery on case-by-case basis.

Proven Applications

All our concrete repair and waterproofing projects in Toronto and the GTA are done with applications that have been tested for quality, reliability, and cost efficiency. Each application type adheres to the strict Ministry of Transportation of Ontario standards.

Reliable Management

Customer satisfaction and on-time, reliable service are core values of our company. Frequent updates are given on every waterproofing and concrete repair project. Customer visibility, on-time and on-budget delivery are guaranteed.

Our Projects

Below are selected projects completed by our group in recent years.

Featured Projects

TTC Subway Tunnel Repair

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4645 Jane St - Expansion Joint

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Roof Planters Repair and Restoration - Carlton Street

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Mississauga - Salt Rooms

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Southlake Regional Health Centre - Suspended Hallway Building Link

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High-Rise Balconies Slope Reversal and Crack Repair - Carlton Street, Toronto

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8 Lee P1 Swimming pool

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Boiler Room Floor Waterproofing

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Central Utility Plant - Diesel Tank

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Blue Mountain Resorts - Elevator Shafts

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2323 Bloor St. - Stair Repair

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50 Alexander - Maintenance Chamber Coverage Parking Garage

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About Us

Joint Seal Waterproofing, Inc.

Our Contacts

25 Coronet Rd, Unit 8
Etobicoke, Ontario, M8Z 2L8

Phone: (647) 479-4069
US/Canada Toll Free: 1-855-561-4416