Commercial Waterproofing & Building Envelope Specialists for Large-Scale Projects Across Ontario
Commercial waterproofing, roofing, and concrete protection systems delivered at scale — trusted on complex, high-value projects across the GTA and Ontario.
For over 30 years, Nusite Group has partnered with leading general contractors, developers, and consultants to execute critical building envelope systems with precision, reliability, and manufacturer-backed performance.
30+ years operating across Ontario
100+ million square feet installed
Manufacturer-approved applicator
Witnessed installations & warranty-backed systems
Fully insured, safety-certified crews
Built for General Contractors, Developers & Construction Managers
Nusite is structured to integrate seamlessly into large project teams, fast schedules, and multi-trade environments.
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High-rise residential & mixed-use
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Institutional & municipal facilities
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Industrial & logistics facilities
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Large podium decks & parking structures
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Design-build and tendered projects
Let’s Discuss Your Upcoming Project
A Proven Waterproofing Partner for Complex Builds
Nusite is a family-owned, Ontario-based contractor specializing in commercial waterproofing, roofing systems, and traffic coatings. For over three decades, we have delivered technically demanding waterproofing solutions across low-rise, mid-rise, and high-rise construction throughout the province.
Our projects are executed under consultant review and manufacturer oversight, ensuring every installation meets specification, performance requirements, and warranty conditions.
With in-house estimating, deep technical expertise, and experienced field crews, Nusite consistently delivers clarity, reliability, and execution confidence on projects where failure is not an option
Family-owned, Ontario-based contractor with 30+ years of experience
Specializing in commercial waterproofing, roofing systems, and traffic coatings
Work witnessed by manufacturers and approved consultants
In-house estimating and technical review team
Known for solving complex waterproofing conditions before they become delays
Core Capabilities
Waterproofing Systems
We install complete, specification-driven waterproofing assemblies for new construction and restoration projects, including:
Open-cut foundation waterproofing
Blindside waterproofing
Bathtub systems
Elevator pit waterproofing
ICF waterproofing
Gas barrier installations
Sheet & spray-applied systems
Crystalline applications
Curtain wall & structural injections
Roofing & Podium Systems
Nusite delivers high-performance roofing and podium systems designed for long-term durability and heavy use:
Podium decks
Inverted roofing assemblies
Green roof systems
Parking garage roofing
Re-coating & restoration
Hazard encapsulation
Cap flashing & metal works
Traffic Coatings & Toppings
We provide durable traffic coating and flooring systems engineered for high-load and high-use environments:
Parking garages & ramps
Mechanical penthouses
High-traffic areas
Industrial & warehouse floors
Anti-slip & safety line systems
Decorative & metallic floor coatings
Manufacturer Relationships & Approved Systems
Nusite maintains long-standing relationships with leading waterproofing and building envelope manufacturers, allowing us to install fully supported, warrantied systems with confidence.
Our work is regularly witnessed by manufacturers and approved consultants, providing assurance that every system is installed to specification and eligible for full warranty coverage.
ACTIVE & UPCOMING PRODUCTION PROJECTS
Nusite is actively engaged on major developments throughout the GTA, including:
Why Choose Nusite?
A Partner You Can Rely On
General contractors choose Nusite because we deliver more than installation — we deliver confidence.
Strong technical understanding of assemblies and sequencing
Early identification of design or site conflicts
Accurate estimating and scope clarity
Reliable manpower and scheduling coordination
Clean documentation, safety compliance, and close-out
Proven performance on demanding schedules
We understand the impact waterproofing has on the critical path — and we treat it accordingly.
FAQ
What types of projects does Nusite typically work on?
Nusite specializes in large-scale commercial, institutional, industrial, and high-rise residential projects across Ontario. Our team is experienced in podium decks, deep foundations, bathtub systems, inverted roofs, and complex waterproofing assemblies on multi-phase developments.
Are your waterproofing systems manufacturer-approved and warrantied?
Yes. Nusite maintains direct relationships with major waterproofing manufacturers and installs systems in accordance with their specifications. Our work is regularly witnessed by manufacturers and approved consultants, ensuring eligibility for full material and labour warranties.
Can Nusite support fast-track or phased construction schedules?
Absolutely. Our teams are accustomed to working within aggressive schedules, phased construction, and multi-trade coordination. We plan manpower and sequencing to align with the critical path and avoid downstream delays.
Do you assist during pre-construction and system selection?
Yes. We frequently support GCs and developers during pre-construction by reviewing assemblies, identifying constructability issues, and assisting with system selection to ensure performance, compliance, and installability.
How does Nusite handle quality control and inspections?
All installations follow strict internal quality control procedures and are completed in accordance with consultant specifications. Manufacturer and third-party inspections are coordinated as required, and all documentation is provided during close-out.
What safety and compliance standards do you operate under?
Nusite maintains comprehensive safety programs and operates in full compliance with Ontario regulations. Our crews are trained, certified, and experienced in working on active construction sites with strict safety protocols.
What geographic areas do you service?
Nusite serves the Greater Toronto Area and projects throughout Ontario. Our manpower capacity allows us to support both local and regional developments.
How early should Nusite be engaged on a project?
The earlier, the better. Early involvement allows us to assist with system coordination, sequencing, and risk mitigation — often preventing costly changes or delays later in the project.
