Residential Projects
Fiberglass Windows & Doors
Crafted for performance, durability, and modern design.
Crafted for performance, durability, and modern design.
At SILEX, we engineer more than just fiberglass windows and doors — we help Canadian homeowners from coast to coast build lasting value with products that deliver exceptional performance, enduring beauty, and long-term durability.
Our fiberglass window and curtain wall systems offer outstanding strength, thermal efficiency, and durability. Built to meet commercial performance standards, SILEX products are designed for longevity and low maintenance.
We collaborate with architects and consultants to provide customizable solutions that match project-specific design intent — including large openings, clean sightlines, and unique glazing configurations.
Whether you’re managing a phased development or a fast-track project, SILEX offers responsive service, technical support, and efficient lead times to keep you on schedule and within spec.

Modern two-story home in a snowy landscape featuring large, Canadian-made fiberglass picture windows that provide clear views of the interior and are designed for extreme weather conditions.
All questions are specifically tailored to fiberglass windows for residential window replacement.
Fiberglass windows offer exceptional durability, strong thermal performance, and long-term stability. They resist warping, expand and contract at a rate similar to glass, and perform reliably in Canada’s changing weather conditions.
Yes, many remodeling and real-estate value studies show that energy-efficient window replacements typically recoup around 65 % – 80 % of the cost in increased home value at resale. That means if you spend money upgrading to high-efficiency windows, you’re likely to get most of that investment back when you sell.
Energy-efficient windows can cut your overall heating and cooling bills by about 7% – 30% annually.
In Canada’s climate, windows play a major role in energy efficiency and comfort. High-performance fiberglass windows help reduce heat loss during winter while maintaining indoor comfort throughout the year.
Large picture-style windows allow for expansive views and natural light while maintaining strong thermal performance, combining modern aesthetics with high functionality.
Experience the difference of high-performance windows and doors for both residential and commercial spaces. From cozy home renovations to modern commercial buildings, SILEX delivers exceptional quality, style, and service.