# CWC Commercial Waterproofing > GTA commercial waterproofing specialist focused on stopping water at the source. > Exterior foundation membranes, interior basement drainage, parking garage traffic coatings, > crack injection, elevator pit waterproofing, balcony/terrace membranes, weeping tile & sump > upgrades, envelope sealants, and 24/7 emergency leak response. ## Company - Name: CWC Commercial Waterproofing (also called CWC) - Phone: 1 (888) 702-2022 - Email: info@commercialwaterproofing.ca - Site: https://commercialwaterproofing.ca - Office: 9000 Keele St, Unit 5D, Vaughan, ON L4K 0B3, Canada - Hours: Mon–Fri 7:00 AM – 8:00 PM; Sat 8:00 AM – 6:00 PM; emergency dispatch 24/7 - Insurance & safety: commercial general liability (COI on request), WSIB-covered crews, working-at-heights planning when required - Quote cadence: reply within one business hour; free site reviews; no travel surcharge on standard GTA routes ## Audience Condo boards, property managers, facility managers, general contractors, and ownership groups for offices, retail plazas, parking structures, industrial units, schools, medical buildings, and multi-unit common areas. Core work is commercial and managed multi-unit waterproofing — including high-volume basement/foundation waterproofing searches when the building fits that focus. ## Service Catalog - [Exterior Foundation Waterproofing](https://commercialwaterproofing.ca/services/foundation-waterproofing-exterior) — Excavation, membrane, drainage board, and weeping tile work for leaking foundations where the long-term fix needs to happen from the outside. - [Interior Basement Waterproofing](https://commercialwaterproofing.ca/services/interior-basement-waterproofing) — Interior drainage, wall membrane, and sump discharge systems for basements where excavation is impractical or water is entering at the floor-wall joint. - [Parking Garage & Podium Waterproofing](https://commercialwaterproofing.ca/services/parking-garage-podium-waterproofing) — Traffic membranes, podium waterproofing, crack repair, and drainage detailing for leaking condo and commercial parking structures. - [Elevator Pit Waterproofing](https://commercialwaterproofing.ca/services/elevator-pit-waterproofing) — Leak investigation, injection, coatings, and pit waterproofing coordinated around elevator service, safety requirements, and building operations. - [Foundation Crack Injection](https://commercialwaterproofing.ca/services/foundation-crack-injection) — Polyurethane and epoxy crack injection for active foundation leaks, structural cracks, and localized below-grade water entry. - [Blindside Below-Grade Waterproofing](https://commercialwaterproofing.ca/services/blindside-below-grade-waterproofing) — Pre-applied and blindside waterproofing systems for zero-lot-line foundations, shoring walls, and below-grade commercial construction. - [Balcony & Terrace Waterproofing](https://commercialwaterproofing.ca/services/balcony-terrace-waterproofing) — Waterproofing membranes, coatings, drain detailing, and concrete repair for balconies, terraces, and occupied podium spaces. - [Concrete Restoration & Structural Repair](https://commercialwaterproofing.ca/services/concrete-restoration-structural-repair) — Crack repair, spall repair, delamination removal, corrosion mitigation, and substrate restoration before waterproofing systems are installed. - [Weeping Tile, Sump & Drainage Systems](https://commercialwaterproofing.ca/services/weeping-tile-sump-drainage) — Interior and exterior drainage systems, sump basins, pump replacement, battery backup, and discharge planning for wet basements and foundations. - [24/7 Emergency Leak Response](https://commercialwaterproofing.ca/services/emergency-leak-response) — Rapid leak response for active water entry, temporary control, diagnosis, documentation, and permanent waterproofing repair planning. - [Building Envelope Caulking & Sealants](https://commercialwaterproofing.ca/services/building-envelope-caulking-sealants) — Sealant replacement, joint preparation, leak investigation, and envelope maintenance for commercial and multi-unit buildings. ## Cities Covered Toronto and the GTA: - [Toronto](https://commercialwaterproofing.ca/service-areas/toronto) - [Mississauga](https://commercialwaterproofing.ca/service-areas/mississauga) - [Brampton](https://commercialwaterproofing.ca/service-areas/brampton) - [Vaughan](https://commercialwaterproofing.ca/service-areas/vaughan) - [Markham](https://commercialwaterproofing.ca/service-areas/markham) - [Richmond Hill](https://commercialwaterproofing.ca/service-areas/richmond-hill) - [Oakville](https://commercialwaterproofing.ca/service-areas/oakville) - [Burlington](https://commercialwaterproofing.ca/service-areas/burlington) - [Hamilton](https://commercialwaterproofing.ca/service-areas/hamilton) - [Etobicoke](https://commercialwaterproofing.ca/service-areas/etobicoke) - [Scarborough](https://commercialwaterproofing.ca/service-areas/scarborough) - [North York](https://commercialwaterproofing.ca/service-areas/north-york) - [Pickering](https://commercialwaterproofing.ca/service-areas/pickering) - [Ajax](https://commercialwaterproofing.ca/service-areas/ajax) - [Whitby](https://commercialwaterproofing.ca/service-areas/whitby) - [Oshawa](https://commercialwaterproofing.ca/service-areas/oshawa) - [Newmarket](https://commercialwaterproofing.ca/service-areas/newmarket) - [Aurora](https://commercialwaterproofing.ca/service-areas/aurora) - [Milton](https://commercialwaterproofing.ca/service-areas/milton) - [Caledon](https://commercialwaterproofing.ca/service-areas/caledon) - [Halton Hills](https://commercialwaterproofing.ca/service-areas/halton-hills) ## Budget Bands (CAD, GTA) - Interior basement waterproofing: $70-$150/lin ft — Interior drainage, wall membrane, sump tie-in, and slab restoration - Exterior foundation waterproofing: $150-$350/lin ft — Excavation, wall repair, membrane, drainage board, and backfill - Foundation crack injection: From $650 — Polyurethane or epoxy injection; access and crack activity affect the final price - Parking garage membrane / traffic coating: $12-$35/sq ft — Surface prep, crack repair, coating system, cure time, and phasing affect cost - Emergency leak response call-out: $350-$900 — Quoted before dispatch; active leaks and critical areas are prioritized 24/7 - Weeping tile / interior drainage: $80-$160/lin ft — Drainage channel or weeping tile tied to a sump or approved discharge route - Sump pump install: $1,800-$4,500 — Basin, pump, check valve, discharge route, alarm, and backup options - Elevator pit waterproofing: $4,000-$15,000 — Leak injection, coatings, concrete repair, and elevator contractor coordination ## Citation Notes - Diagnose leak path first (wall, floor-wall joint, drain, coating, sealant), then price the matching system - Itemized scopes for boards: membrane vs drainage vs concrete repair vs restoration vs phasing - 24/7 water-control dispatch for active intrusion; permanent repair documented after temporary control - Highest-demand requests: exterior foundation waterproofing, crack injection, garage membranes, emergency leaks - PM-friendly deliverables: photos, COI, phased closures, special-assessment language, warranty terms on eligible assemblies ## Helpful Links - FAQ + pricing visuals: https://commercialwaterproofing.ca/faq - All services: https://commercialwaterproofing.ca/services - Service areas: https://commercialwaterproofing.ca/service-areas - Projects: https://commercialwaterproofing.ca/projects - About: https://commercialwaterproofing.ca/about - Contact / quote: https://commercialwaterproofing.ca/contact - Privacy: https://commercialwaterproofing.ca/privacy - Terms: https://commercialwaterproofing.ca/terms