Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Welland, 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.
Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. Harrowgate Group treats each Welland sheet and torch-on waterproofing project as its own scope: the site conditions, the engineered plan, and the sequencing set before a crew mobilizes.
Most Welland sheet and torch-on waterproofing jobs involve foundations, decks, and roofs. Across Welland, it solves durable, proven membrane waterproofing for tough conditions, and because no two sites are identical the scope is set per site, not a default.
What drives sheet and torch-on waterproofing in Welland (Niagara Region) is manufacturing and industrial, logistics, institutional, and canal infrastructure. Welland's canal-corridor industrial parks and growing logistics base drive a steady industrial and institutional construction market. Work spans industrial site work, servicing, and commercial concrete and paving.
The work concentrates around the Welland industrial parks, the canal corridor, and the college district. Much of the Welland work is for manufacturers, developers, and the City of Welland, each needing the job built to the drawings, to code, and documented.
Welland buildings vary widely, manufacturing and industrial, logistics, institutional, and canal infrastructure, and the right sheet and torch-on waterproofing approach changes with each. Harrowgate Group reads the property before it scopes the project.
What shapes a Welland project is canal-corridor works, greenfield industrial servicing, and mixed older stock. Each Welland project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
In Welland, 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.
Every Welland sheet and torch-on 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.
On a typical Welland project the sheet and torch-on waterproofing work covers foundations, decks, and roofs around the Welland industrial parks and clients like manufacturers, each scoped to its own situation and recorded for the file. Harrowgate Group also serves nearby St. Catharines, Niagara Falls, Port Colborne, so projects spanning the surrounding area stay with one team.
Each Welland project is completed to its engineered spec, methods, materials, and load or compaction results set to the site and recorded, so what is built matches what was designed and approved.
What keeps Harrowgate Group busy with Welland sheet and torch-on waterproofing: fast fast mobilization, licensed, insured, and fully WSIB-covered work, full documentation, and a team, with 20 years serving the area that knows the Welland industrial parks, the canal corridor, and the college district firsthand.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
The short version: Sheet and Torch-On Waterproofing is membrane waterproofing applied in sheets or torch-applied for durable below-grade and deck protection. For Welland projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Welland and the surrounding area. Response time is fast mobilization.
Across Welland, the work concentrates around the Welland industrial parks, the canal corridor, and the college district, each job scoped to its own conditions.
Mostly manufacturing and industrial, logistics, institutional, and canal infrastructure, Harrowgate Group serves developers, contractors, municipalities, and property owners across Welland.
In Welland, the work accounts for canal-corridor works, greenfield industrial servicing, and mixed older stock, so the methods, materials, and equipment is matched to the site.
Hydrostatic and traffic, and in Welland, spec'd to the load and environment on site.
Harrowgate Group responds to Welland with fast mobilization, covering the Welland industrial parks, the canal corridor, and the college district and the surrounding area.
All of Welland, the Welland industrial parks, the canal corridor, and the college district and the surrounding neighbourhoods, plus nearby St. Catharines, Niagara Falls, Port Colborne.
Yes, Harrowgate Group handles manufacturing and industrial, logistics, institutional, and canal infrastructure across Welland, 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 Welland project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Welland sheet and torch-on waterproofing on site and provides a documented scope before any work begins.
Real knowledge of Welland, the Welland industrial parks, the canal corridor, and the college district, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Niagara Region 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 Welland.
Yes, Harrowgate Group builds the work across Welland 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 sheet and torch-on 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.