Waterproofing isn’t just about stopping leaks — it’s about preventing damage, saving costs, and extending the life of your building. SealCo Construction Group provides expert waterproofing services for homes and commercial properties across the GTA and Durham Region, using proven materials and skilled installation for lasting protection.
Water damage can destroy a building faster than almost anything else. Whether it’s a leaking basement, cracked foundation, or improperly sealed building envelope, the results can be costly — and dangerous.
At SealCo Construction Group, we believe waterproofing should be done once — and done right. Our team provides complete waterproofing systems for both residential and commercial clients across the GTA and Durham Region, protecting structures from the ground up.
Ontario’s climate brings heavy rain, snow, and freeze-thaw cycles that constantly test your building’s envelope. Without proper protection, water can seep into concrete, wood, and insulation, leading to:
That’s why SealCo uses industry-leading materials and installation methods to ensure every system is watertight and built to last.
For homeowners, waterproofing isn’t just about fixing leaks — it’s about protecting your biggest investment.
Our residential services include:
Whether you’re dealing with water intrusion or planning new construction, SealCo ensures your home stays dry, safe, and energy-efficient.
SealCo is a trusted waterproofing partner for commercial developers, general contractors, and property managers throughout the GTA.
Our commercial expertise covers:
We integrate waterproofing with other building envelope components — cladding, roofing, and insulation — to deliver complete moisture protection that meets modern performance standards.
A waterproofing system is only as strong as its materials and workmanship. That’s why SealCo partners with trusted brands and employs trained, certified installers who know how to apply them correctly.
We specialize in products by Henry, Soprema, and Naturaseal, combining proven chemistry with experienced hands for maximum durability.
What sets SealCo apart is our commitment to quality, safety, and accountability. Every project is inspected, tested, and documented to ensure your building is fully protected before the next phase of construction begins.
We don’t take shortcuts — we deliver waterproofing that performs for decades.
When it comes to waterproofing, cutting corners isn’t an option. With SealCo Construction Group, you get expert installation, premium materials, and results that last.
From residential foundations to commercial building envelopes, our team ensures your property is protected against moisture, leaks, and long-term damage.
👉 Call-to-Action:
Need waterproofing done right?
📞 Contact SealCo Construction Group today to schedule your free consultation for residential or commercial waterproofing across the GTA and Durham Region.
647-882-6337
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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.

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