About SealCo Construction Group Inc.
Founded in Ontario and built by tradespeople who know construction inside and out, SealCo Construction Group Inc. is a leader in full building envelope solutions for residential and commercial projects across the GTA and beyond.
We specialize in waterproofing, cladding, roofing, air/vapour barriers, and general construction, executing scopes with precision, professionalism, and envelope-first thinking. Our integrated approach ensures each layer of your project works together — protecting buildings from the elements and maximizing long-term performance.
Whether we’re sealing a high-rise in downtown Toronto or upgrading a family home in Durham Region, our mission remains the same:
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To become Canada's most trusted and innovative building envelope contractor - setting the national standard for quality, accountability, and complete scope integration in residential and commercial construction.
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To deliver high-performance building envelope solutions through precision workmanship, safe practices, and trusted partnerships - protecting every structure we touch from the foundation up.
Leading the industry in quality, service, and efficiency.
We meticulously attend to every project we undertake. Moreover, we complete each project with unwavering dedication to quality workmanship. Additionally, our commitment to excellence ensures that we handle every aspect of the project with care and precision. Furthermore, we take pride in delivering results that exceed expectations and leave a lasting impression.
One team to handle multiple scopes — from foundation to finish
Our work meets or exceeds Ontario Building Code and trade-specific specs.
We serve custom home builders, homeowners, developers, and general contractors.
We operate safe, compliant job sites with industry-leading programs in place.
We stand behind our work with up to 10-year workmanship warranties and product-backed coverage.
Headquartered in Toronto, Ontario, SealCo has completed projects across the GTA, Southern Ontario, and as far as Halifax, Nova Scotia. We’re actively expanding across Canada — and are built for North America-wide execution.
- General Contractors & Construction Managers
- Custom Home Builders & Architects
- Homeowners & Renovators
- Developers & REITs
- Government, Schools, & Institutions
- Property Managers & Insurance Coordinators
We don’t chase volume — we build value. Every job we take is treated with precision, accountability, and care. If you’re looking for a construction partner who understands the full envelope and takes pride in every detail, SealCo is ready to deliver.
Meet our esteemed partners who contribute to the success of our company with their expertise and commitment to excellence. Additionally, they play a pivotal role in ensuring our projects meet the highest standards of quality and innovation.
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SealCo Construction Group Inc. is a leader in full building envelope solutions — specializing in waterproofing, cladding, roofing, air/vapour barriers, and general construction. Whether you're managing a large-scale commercial build or upgrading a residential property, our team delivers precision, professionalism, and performance at every stage. With a reputation built on quality craftsmanship and dependable execution, we integrate all exterior systems to protect, enhance, and extend the life of your structure. From start to finish, SealCo is your trusted partner for envelope integrity, project efficiency, and long-term value.
Building your visions. Additionally, Creating reality.
From custom homes to commercial high-rises, SealCo delivers envelope solutions that keep your project moving forward. Our skilled, detail-oriented team seals every structure with precision and speed — giving builders, developers, and homeowners the confidence that their property is protected, efficient, and built to perform.
SealCo Construction Group is a trusted leader in complete building envelope solutions for commercial, residential, and industrial projects. Our integrated, system-wide approach ensures lasting protection, structural efficiency, and high-performance results — shielding buildings from environmental stressors while meeting or exceeding today’s most demanding envelope standards.