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 London, 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 builds liquid membrane waterproofing across London to the engineered drawings and the applicable codes, surveyed, built on site, and completed to grade for the real conditions.
In London, liquid membrane waterproofing is typically needed for decks, plazas, foundations, and planters. Across London, it solves a seamless waterproof barrier with no seams to fail, and because no two sites are identical the scope is set per site, not a default.
What drives liquid membrane waterproofing in London (Middlesex County) is advanced manufacturing, logistics and distribution, institutional and healthcare, and commercial development. London anchors Southwestern Ontario's largest commercial, industrial, and institutional construction market, with strong 401/402 logistics growth. Work spans industrial site development, servicing, institutional and healthcare work, and paving.
Most of it sits around the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district. Clients such as manufacturers, distributors, hospitals, universities, and the City of London drive much of the London work, and no two projects carry the same scope or ground.
London buildings vary widely, advanced manufacturing, logistics and distribution, institutional and healthcare, and commercial development, and the right liquid membrane waterproofing approach changes with each. Harrowgate Group reads the property before it scopes the project.
The London variables that matter are large greenfield industrial buildout, 401/402-corridor servicing, and institutional-campus growth. So Harrowgate Group matches the methods, materials, and equipment to the site, and a London project rarely needs the same approach as a standard property.
In London, 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.
A London liquid membrane waterproofing project moves through survey, site prep, the built work, and restoration, each step verified against the engineered plan and the applicable codes before the crew moves on.
Harrowgate Group works directly with the engineers, architects, city planners, and consultants a London 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 London project moves through design, permitting, and construction without gaps between the parties.
Representative London work: liquid membrane waterproofing for decks, plazas, foundations, and planters, often near the Innovation Park and Veterans Memorial industrial lands and clients like manufacturers, handled end to end and fully documented. Harrowgate Group also serves nearby St. Thomas, Woodstock, Strathroy, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds London liquid membrane 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 London, owners call Harrowgate Group for liquid membrane waterproofing for a simple reason: licensed, insured, and fully WSIB-covered work, fast mobilization, and a crew that actually knows the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district and how local buildings fail.
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 London projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across London and the surrounding area. Response time is fast mobilization.
Across London, the work concentrates around the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district, each job scoped to its own conditions.
Mostly advanced manufacturing, logistics and distribution, institutional and healthcare, and commercial development, Harrowgate Group serves developers, contractors, municipalities, and property owners across London.
In London, the work accounts for large greenfield industrial buildout, 401/402-corridor servicing, and institutional-campus growth, so the methods, materials, and equipment is matched to the site.
Pedestrian to vehicular. For London, every project is sized to the actual conditions.
Harrowgate Group responds to London with fast mobilization, covering the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district and the surrounding area.
All of London, the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district and the surrounding neighbourhoods, plus nearby St. Thomas, Woodstock, Strathroy.
Yes, Harrowgate Group handles advanced manufacturing, logistics and distribution, institutional and healthcare, and commercial development across London, 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 London project and provides a clear, documented quote.
Yes, Harrowgate Group assesses London liquid membrane waterproofing on site and provides a documented scope before any work begins.
Real knowledge of London, the Innovation Park and Veterans Memorial industrial lands, the 401/402 corridor, and the hospital and university district, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Middlesex County 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 London.
Yes, Harrowgate Group builds the work across London 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.