Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Below-Grade Waterproofing protects foundations, basements, and buried structures from groundwater and hydrostatic pressure. 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.
Below-Grade Waterproofing protects foundations, basements, and buried structures from groundwater and hydrostatic pressure. Harrowgate Group treats each Ottawa below-grade waterproofing project as its own scope: the site conditions, the engineered plan, and the sequencing set before a crew mobilizes.
In Ottawa, below-grade waterproofing is typically needed for foundations, tunnels, and below-grade structures. Across Ottawa, it solves protecting buried structures from water and pressure, and because no two sites are identical the scope is set per site, not a default.
In Ottawa (City of Ottawa), below-grade waterproofing demand is driven mainly 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.
Activity clusters in the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors. Much of the Ottawa work is for the federal government, tech firms, hospitals, and the City of Ottawa, each needing the job built to the drawings, to code, and documented.
Ottawa buildings vary widely, government and institutional, technology and commercial, healthcare, and infrastructure and transit, and the right below-grade waterproofing approach changes with each. Harrowgate Group reads the property before it scopes the project.
Ottawa conditions shape the response: 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.
On Ottawa below-grade 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.
For Ottawa: survey and lay out to the drawings, prep and shore the site, build the work to code, then backfill, compact, and restore, a sequence checked at every hold point, not left to chance.
Whatever professionals an Ottawa below-grade waterproofing project requires, Harrowgate Group works with them: engineers, architects, surveyors, geotechnical and environmental consultants, and city planning and inspection staff. The crew builds to the engineered drawings and coordinates the inspections and approvals, so nothing on the Ottawa project falls between design, permit, and field.
Representative Ottawa work: below-grade waterproofing for foundations, tunnels, and below-grade structures, 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.
Harrowgate Group earns Ottawa below-grade waterproofing work the hard way, fast mobilization, licensed, insured, and fully WSIB-covered crews, with 20 years serving the area, and real familiarity with the downtown government core, the Kanata technology park, the industrial and business parks, and the LRT corridors rather than a one-size regional script.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Below-Grade Waterproofing protects foundations, basements, and buried structures from groundwater and hydrostatic pressure. 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.
Hydrostatic, chosen for the Ottawa job rather than a default.
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 below-grade 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 below-grade 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.