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PERMANENT WATERPROOFING &
CONCRETE RESTORATION

Joint Seal is a Toronto-based company specializing in concrete rehabilitation and waterproofing. Tested to the Ministry of Transportation Ontario standards, our applications are rated to last for 25 years, which more than doubles the useful life of repaired structures.

OUR SERVICES

We offer a full range of concrete repairs and waterproofing services for a project of any size. We specialize in commercial and high-rise residential applications and provide lasting solutions for any concrete surface, including expansion joints and ledge beams.

Balcony

Slope Reversal

Crack Repair

Slab Restoration

BALCONIES

Elevator Pit

Engineering

Cleaning

Inspection

Waterproofing

ELEVATOR PIT WATERPROOFING

flat roof waterproofing

Spray-on & Roll-on 

Membranes

Polyurea-Based Materials

Customizable Applications

FLAT ROOFS

concrete stairs

No Recasting

Cracks Repaired

Load-Carrying Capacity

Restored

CONCRETE STAIRS

underground parking waterproofing

Crack Repair

Patching

Floor Coating

Column Repair

UNDERGROUND

PARKING

side walk repair

Slab Restoration

Minimal Demolition

Extensive Crack Repair

SIDEWALKS

manholes repairs

Riser Joint Injection

Waterproofing

Complete Rehabilitation

MANHOLES

utility rooms

Shorter Closures

Durable Surface Protection

Ease of Maintenance

UTILITY ROOMS

medical facility

Zero-VOC Materials

Minimal Impact on Operations

Exterior & Interior Repairs

MEDICAL FACILITIES

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Asphalt Repairs

Concrete Repairs

Mastic Repairs

Traffic Surface

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Porches, landings, stairs

Balconies, patios, garages

Basements, driveways, pool decks

Residential

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Kitchens & Bathrooms

Wall Repairs

Electrical & Plumbing

Handyman

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Call us at (647) 479-4069 or ask for a Free Quote! 

We offer a full range of concrete repair and waterproofing services, including expansion joint injection. Our specialized repair methods and materials allow us to offer a lasting solution for a project of any size.

CLIENTS

TESTIMONIALS

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John L., March Elevator

Toronto (ON)

Joint Seal Waterproofing is our only elevator pit water prevention specialist. It is a one-stop-shop which provides excellent results for any type of elevator pit (block or concrete walls, with a piston or without). JSW is a trusted partner in the March Elevator Family. Their commitment to resolving unique problems in a timely manner has provided our clients with trust in our final product. Great team management and communication, I would recommend JSW any day of the week.
 

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Ryan Y.

Toronto (ON)

As an owner of multiple 100+ year houses in the west end of Toronto, I've had more than one case of a leaky basement. Joint Seal has always been there when I needed them and did an outstanding job! They are professional and always come up with just the right solution for my issues (big and small), and at a lower cost than other companies.
Best of all – their waterproofing methods actually work! I've never had a leak come back.
You are in great hands with Joint Seal!

 

ABOUT US

For over nine years, Joint Seal Waterproofing has been providing concrete repairs and waterproofing services in Toronto, the GTA and the surrounding areas. We specialize in thin patch applications and expansion joint injection.

 

High-strength concrete adhesives allow us to perform all concrete repairs from inside the elevator pits and underground parking garages, saving on costs and ensuring long-lasting results. The use of polyurea-based waterproofing membranes restores water impermeability of the repaired concrete.

We offer a full range of waterproofing services for commercial structures.

 

OUR VIDEOS