About

PremiumSeal Windows & Doors Inc. is a locally owned company based in Georgina, proudly serving homeowners throughout the Lake Simcoe region and Northern GTA. We specialize in patented, Canadian-made windows and doors—installed with precision and supported by clear, knowledgeable guidance every step of the way. Every project is backed by our industry-leading lifetime, non-prorated warranty on both products and labour, giving you complete confidence and long-term peace of mind.

Our factory has been building high-quality windows since 1992, combining proven craftsmanship with modern manufacturing precision. As a member of the C.W.D.M.A. (Canadian Window & Door Manufacturers Association), ENERGY STAR®, and CSA, our products meet strict national standards for performance, efficiency, and durability. Our systems consistently exceed current benchmarks, with many models qualifying for ENERGY STAR® 2025 Most Efficient ratings—helping improve comfort while reducing energy costs.

At no charge, our product technicians assess your home, identify your needs, and recommend the right solutions—never unnecessary upgrades. We focus on honest advice, not upselling. Known for reliable service, clean installations, and clear communication, we stand behind every project with long-term support and accountability.

We’re not the biggest—just the most trusted in our community.

PremiumSeal Windows & Doors
Built right. Installed right. Backed for life.