Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Liquid Membrane Waterproofing is seamless, rolled or sprayed waterproofing applied to decks, foundations, and structures. 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.
Liquid Membrane Waterproofing is seamless, rolled or sprayed waterproofing applied to decks, foundations, and structures. Harrowgate Group handles liquid membrane waterproofing for Ottawa around the actual ground conditions, loads, and access of each site, built to spec, not to a template.
Most Ottawa liquid membrane waterproofing jobs involve decks, plazas, foundations, and planters. The recurring drivers are a seamless waterproof barrier with no seams to fail, each Ottawa project is scoped to its own situation rather than a standard package.
Ottawa's need for liquid membrane waterproofing (City of Ottawa) is driven largely by 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.
Most of it sits around 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.
From government and institutional, technology and commercial, healthcare, and infrastructure and transit, no two Ottawa liquid membrane waterproofing jobs are quite alike. Harrowgate Group matches scope, equipment, and crew to the specific property each time.
In Ottawa, the work has to account for government and security site standards, LRT and transit infrastructure, and cold-climate frost design. So Harrowgate Group matches the methods, materials, and equipment to the site, and an Ottawa project rarely needs the same approach as a standard property.
In Ottawa, Harrowgate Group treats schedule as part of the scope: fast mobilization, the right equipment on site, and the project built in the right sequence so the following trades are not held up.
On Ottawa work the sequence is fixed: locate and protect what is in the ground, prepare the site, build to the drawings, compact and finish to grade, and restore the surface, documented at each stage.
Harrowgate Group works directly with the engineers, architects, city planners, and consultants an Ottawa liquid membrane waterproofing project involves. Structural and civil engineers, geotechnical consultants, surveyors, and municipal reviewers all feed the same plan, and Harrowgate Group builds to it, coordinating submittals, inspections, and approvals so the Ottawa project moves through design, permitting, and construction without gaps between the parties.
Representative Ottawa work: liquid membrane waterproofing for decks, plazas, foundations, and planters, often near the downtown government core and clients like the federal government, handled end to end and fully documented. Harrowgate Group also serves nearby Kanata, Gatineau, Kemptville, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds each Ottawa project to a clear scope: the right methods, the right materials, and results checked against the plan, documented so it holds up to inspection and the project record.
For liquid membrane waterproofing in Ottawa, owners and managers pick Harrowgate Group for the mix of fast mobilization, licensed, insured, and fully WSIB-covered work, and ground-level knowledge of the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
In short: Liquid Membrane Waterproofing is seamless, rolled or sprayed waterproofing applied to decks, foundations, and structures. 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. For Ottawa, every project is sized to the actual conditions.
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 liquid membrane 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 liquid membrane 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.