Canadian Craftsmanship. Lasting Confidence.
Proudly Canadian-owned and operated, our company combines decades of expertise with a commitment to innovation, quality, and customer satisfaction. With over 100 years of combined experience in PVC window and insulated steel door manufacturing, our leadership team brings deep industry knowledge and dedication to every product we create.
Our 70,000 sq. ft. manufacturing facility is equipped to deliver excellence at scale. From advanced PVC window systems to high-performance fiberglass and steel entry doors, we design with purpose — blending durability, energy efficiency, and refined aesthetics.
We proudly collaborate with global industry leaders to ensure the highest standards:
- Vision – Ontario’s largest vinyl extrusion manufacturer, known for exceptional quality and rapid market growth.
- Novatech – Providers of premium, contemporary and classic door panels and decorative glass.
- Cardinal Glass – Setting the benchmark in performance, warranty, and customer support.
We serve a broad network of dealers, architects, lumberyards, and wholesalers across Ontario, providing them with trusted products and responsive support. Whether you’re building new or upgrading, we’re your partner in quality.
Our Mission – Viewed for Life
We build more than windows and doors — we build lasting relationships. With our employees, customers, and suppliers, we form long-term partnerships based on trust, excellence, and shared success. Our team is our strength, and our goal is to deliver innovative products that bring comfort, value, and enjoyment for a lifetime.
Our Vision
DES WINDOWS Company is the official dealer of the DEL Windows Factory in the Ontario region in the GTA.
We are the new official dealers of DEL Windows, a factory with over 20 years of experience in manufacturing windows for any request.
As such, we offer you quality proven over many years and the best purchasing conditions with a lifetime warranty as a new player on the market.
To lead through action — as innovators, partners, and industry pioneers. We strive to grow sustainably, set the standard in quality, and build a future where DES WINDOWS is the benchmark by which others are measured.






