Certified Systems
We install industry-leading waterproofing solutions from trusted manufacturers, ensuring every assembly is designed and executed to meet the demands of modern construction.
We install industry-leading waterproofing solutions from trusted manufacturers, ensuring every assembly is designed and executed to meet the demands of modern construction.
From below-grade foundations to podium and deck waterproofing, our team understands the complexities of critical building envelope systems and the importance of getting them right the first time.
We operate with a construction-first mindset – prioritizing planning, coordination, safety, and quality control to deliver reliable results on every project.
Beyond waterproofing, we provide radon mitigation solutions that help create safer indoor environments, reduce environmental risk, and support long-term health and performance of buildings we help construct.
OG Waterproofing delivers specialized waterproofing and radon mitigation solutions for commercial, industrial, multi-residential, and select residential projects across Southern Ontario. As certified installers of EPRO and Sika waterproofing systems, we provide advanced membrane solutions for below-grade structures, podium decks, and elevated deck applications. From new construction to complex site conditions, our team combines technical expertise, rigorous quality control, and disciplined project execution to protect critical assets and ensure long-term performance.
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we take pride in the relationships we have with our customers