Business Details
49 Years
experience
Your Trusted Construction and Waterproofing Partner in Toronto
Established in 1977, we are a specialty construction contractor with offices in Canada and the United States. Our expertise spans high-rise building envelopes, infrastructure, waterproofing, parking deck restoration, streetscaping, and commercial paving. We combine advanced equipment, field knowledge, and compliance with industry standards to deliver quality projects within budget and timelines. Our team collaborates with architects, engineers, and property owners across North America, offering tailored solutions for waterproofing, traffic decks, and durable hardscape systems.As members of leading industry associations, we uphold rigorous professional standards. Our focus on innovation, sustainability, and client satisfaction has solidified our reputation as a trusted partner for complex construction challenges.
Services
Waterproofing
Asphalt Paving
Hardscape Solutions
Parking Garage Restoration
Traffic Deck Systems
Details
- Year established: 1977
Highlights and features
- We have over 45 years of experience in specialty construction and waterproofing.
- Our team uses advanced composite materials and solar-reflective technologies for sustainable solutions.
- We comply with rigorous industry standards and are members of leading professional associations.
- Our projects are completed on time, on budget, and with exceptional attention to detail.
- We offer tailored solutions for high-rise buildings, infrastructure, and commercial paving needs.
Associations and certifications
- Building and Concrete Restoration Association
- International Parking Institute
- Canadian Parking Association
- Toronto Construction Association
- Construction Specifications Canada
- Sealant and Waterproofing Association
Services
Waterproofing
We specialize in high-rise waterproofing and traffic deck systems, using advanced materials to prevent water leakage and ensure durability. Our solutions protect structures against harsh weather conditions while meeting industry standards. Clients benefit from long-lasting performance and reduced maintenance costs for commercial buildings and infrastructure projects.
Hardscape Solutions
Our decorative asphalt and stamped systems combine aesthetics with functionality for streetscapes, crosswalks, and parking lots. These durable, slip-resistant surfaces are cost-effective, recyclable, and designed to enhance safety and sustainability. Ideal for urban environments requiring both visual appeal and heavy-duty performance in diverse climates.
Parking Garage Restoration
We restore deteriorated parking structures using composite materials to address cracking, corrosion, and wear. Our solutions extend the lifespan of garages at a fraction of reconstruction costs. Services include localized repairs, protection programs, and full slab replacements tailored to structural needs and budget constraints.
Asphalt Paving
Our paving services cover parking lots, ramps, and boulevards using high-quality asphalt materials. Projects are managed to minimize disruption, with expertise in milling, overlays, and recreational surfaces. Clients receive durable, low-maintenance surfaces that reduce long-term costs while meeting safety and performance standards.
Traffic Deck Systems
We install Multiguard Traffic Deck Systems for waterproofing and protection of elevated structures. These systems ensure structural integrity against water damage and heavy traffic loads. Ideal for bridges, parking decks, and pedestrian areas requiring reliable, code-compliant solutions with minimal maintenance.
People
Steve Doria
Chief Estimator, Project Manager Highrise
Steve Doria leads high-rise project estimations and management at Multi Seal, leveraging extensive experience in complex construction projects to ensure client satisfaction and operational efficiency.
Nad Qureshi
Estimator/Project Manager Hardscapes, Restoration
Nad Qureshi specializes in hardscape and restoration projects, combining technical expertise with client-focused solutions to deliver durable, code-compliant infrastructure upgrades.
Robert Barbieri
General Manager
Robert Barbieri oversees Multi Seal's operations, ensuring strategic growth and adherence to quality standards across all divisions, from waterproofing to commercial paving projects.
Leo Cammalleri
Sales & Marketing Manager
Leo Cammalleri drives Multi Seal's sales and marketing initiatives, connecting clients with innovative construction solutions while promoting the company's commitment to excellence.
Blake Barbieri
General Supervisor
Blake Barbieri supervises field operations, ensuring projects meet safety, quality, and timeline requirements through skilled coordination of teams and resources.
Questions
What services does Multiseal specialize in?
We specialize in waterproofing, asphalt paving, hardscape solutions, parking garage restoration, and traffic deck systems for commercial and infrastructure projects.
Which areas do you serve?
We operate in Toronto, Southern Ontario, and major urban centers across the United States.
How long has Multiseal been in business?
Multiseal has been providing construction and waterproofing services since 1977.
Are your hardscape solutions sustainable?
Yes. Our systems use recyclable materials, reduce urban heat islands, and meet strict environmental standards for VOCs and durability.
Do you offer emergency repair services?
We prioritize scheduled projects but can assess urgent needs on a case-by-case basis. Contact us for details.
What sets Multiseal apart from competitors?
Our 45+ years of experience, industry certifications, and focus on tailored, sustainable solutions ensure unmatched quality and client satisfaction.
