# Joint Seal Waterproofing

> Toronto-based concrete rehabilitation and waterproofing company. Interior-access repairs (no excavation) using polyurea and polyaspartic membranes, with MTO-rated materials tested to last ~25 years. Serving Toronto, the GTA, Niagara, Hamilton, Waterloo, Kitchener, Ottawa and Montreal. Phone: (647) 479-4069.

## Services
- [Elevator Pit Waterproofing](/elevators): waterproofing, crack repair, infrared diagnostics and cleaning for elevator pits (concrete or block wall, piston or non-piston).
- [Parking Garages](/garages): slab restoration, expansion joint injection, ledge beam repair, wall/ceiling crack repair, traffic coatings.
- [Balconies](/balconies): slope reversal, crack repair, slab restoration, waterproofing membranes.
- [Flat Roofs](/flatroof): spray/roll-on polyurea membranes and repairs that avoid full roof replacement.
- [Concrete Stairs](/stairs): crack repair, patching, restoration and protective coatings.
- [Sidewalks](/sidewalks): repair, levelling and rehabilitation.
- [Manholes](/manholes): riser joint injection, waterproofing and complete rehabilitation.
- [Utility Rooms](/utility-rooms): zero-VOC floor coatings with minimal impact on operations.
- [Medical Facilities](/medical-facilities): low-VOC, clean, off-hours interior and exterior repairs.
- [Traffic Surface Repair](/traffic-surface-repair): asphalt, concrete and mastic repairs, traffic topping.
- [Residential](/residential): porches, balconies, basements, driveways, pool decks.
- [Handyman](/handyman): kitchens, bathrooms, wall repairs, electrical and plumbing.

## Repair types
- [Expansion Joints](/expansion-joints): interior injection of expansion joints, including behind ledge beams, without excavation.
- [Cracks](/cracks): structural and non-structural concrete crack repair.
- [Patching](/patching): thin-patch concrete surface repair.
- [Concrete Surface Repair](/concrete-surface): restoration of load-carrying capacity without recasting.
- [Polyurea Membranes](/polyurea-membranes): fast-curing, customizable spray/roll-on waterproofing.

## Key pages
- [Projects](/projects): portfolio incl. Toronto Pearson (T1 & T3), Hamilton Airport, Canadian Sport Institute of Ontario, food-processing plants, condo towers.
- [Blog](/blog): 120+ project case studies and technical insights.
- [About](/about): company background and approach.
- [Contact](/contact-us): request a free quote.