Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Deck and Plaza Waterproofing is the traffic-bearing membrane and coating systems that protect structures beneath plazas, decks, and parking areas. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Ottawa, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Deck and Plaza Waterproofing is the traffic-bearing membrane and coating systems that protect structures beneath plazas, decks, and parking areas. Harrowgate Group treats each Ottawa deck and plaza waterproofing project as its own scope: the site conditions, the engineered plan, and the sequencing set before a crew mobilizes.
Most Ottawa deck and plaza waterproofing jobs involve plazas, podium decks, and parking areas. Protecting the structure and occupied space below a deck are the recurring drivers; each Ottawa project is sized to its own situation, not a one-size approach.
What drives deck and plaza waterproofing in Ottawa (City of Ottawa) is government and institutional, technology and commercial, healthcare, and infrastructure and transit. Ottawa's federal government, technology sector, and transit expansion anchor one of Ontario's largest institutional and civil construction markets. Work spans government and institutional site development, transit civil, servicing, and concrete.
Activity clusters in the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors. Clients such as the federal government, tech firms, hospitals, and the City of Ottawa drive much of the Ottawa work, and no two projects carry the same scope or ground.
Across Ottawa, deck and plaza waterproofing covers a real range of property, government and institutional, technology and commercial, healthcare, and infrastructure and transit. Each calls for a different response, so Harrowgate Group scopes every Ottawa project to the building and its use rather than one playbook.
What shapes an Ottawa project is government and security site standards, LRT and transit infrastructure, and cold-climate frost design. Harrowgate Group sets the methods, materials, and equipment for those exact conditions on every Ottawa project, working to the site conditions and the engineered drawings rather than a regional default.
On Ottawa deck and plaza waterproofing, Harrowgate Group moves where it counts: fast mobilization, a crew and equipment set to the schedule, and the project built to the engineered plan and inspected as it goes.
Every Ottawa deck and plaza waterproofing project follows a disciplined sequence: site survey and layout, utility locates and protection, excavation or preparation, the core work built to the engineered drawings, backfill and compaction or finishing to grade, and site restoration, each stage inspected and documented for the project file.
An Ottawa deck and plaza waterproofing project rarely involves one party. Harrowgate Group coordinates with your structural and civil engineers, architects, city planners, geotechnical consultants, and the municipal reviewers whose sign-off the work needs, building to the stamped drawings, honouring the design intent, and keeping the Ottawa project aligned with what was engineered and approved.
On a typical Ottawa project the deck and plaza waterproofing work covers plazas, podium decks, and parking areas around the downtown government core and clients like the federal government, each scoped to its own situation and recorded for the file. Harrowgate Group also serves nearby Kanata, Gatineau, Kemptville, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds Ottawa deck and plaza waterproofing to code and to drawing: sequenced correctly, compacted or finished to the specified result, and documented so owners, GCs, engineers, and inspectors get exactly what was agreed.
Across Ottawa, owners call Harrowgate Group for deck and plaza waterproofing for a simple reason: licensed, insured, and fully WSIB-covered work, fast mobilization, and a crew that actually knows the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors and how local buildings fail.
Deck and Plaza Waterproofing is the traffic-bearing membrane and coating systems that protect structures beneath plazas, decks, and parking areas. For Ottawa projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Ottawa and the surrounding area. Response time is fast mobilization.
Across Ottawa, the work concentrates around the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors, each job scoped to its own conditions.
Mostly government and institutional, technology and commercial, healthcare, and infrastructure and transit, Harrowgate Group serves developers, contractors, municipalities, and property owners across Ottawa.
In Ottawa, the work accounts for government and security site standards, LRT and transit infrastructure, and cold-climate frost design, so the methods, materials, and equipment is matched to the site.
Pedestrian to vehicular, matched to the Ottawa site, not a one-size approach.
Harrowgate Group responds to Ottawa with fast mobilization, covering the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors and the surrounding area.
All of Ottawa, the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors and the surrounding neighbourhoods, plus nearby Kanata, Gatineau, Kemptville.
Yes, Harrowgate Group handles government and institutional, technology and commercial, healthcare, and infrastructure and transit across Ottawa, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Ottawa project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Ottawa deck and plaza waterproofing on site and provides a documented scope before any work begins.
Real knowledge of Ottawa, the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served City of Ottawa since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Ottawa.
Yes, Harrowgate Group builds the work across Ottawa and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides deck and plaza waterproofing, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.