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- (905) 660-6581
- ZION KNAFO President
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Listing updated 28 September 2026
Fibertec Windows and Doors Manufacturing is a recognized leader in the fiberglass windows and fiberglass doors industry. We provide one of the most comprehensive lines of high performance energy efficient fiberglass windows and doors in North America. Fibertec provides uncompromising quality with a lifetime warranty. Fibertec’s fiberglass windows and doors ensures to provide durable, reliable, thermally efficient and cost-effective fiberglass windows and doors.
At Fibertec, we provide the most durable, reliable and thermal efficient fiberglass windows and doors in North America. The pultruded fiberglass framing systems at Fibertec, preserve the overall performance of windows and doors by providing superior insulation in extreme environments (heat, cold or highly corrosive), high condensation resistance, superior strength to weight ratios and high glass to frame ratios. Fibertec is the only company within the fiberglass industry to manufacturer a solid fiberglass entrance door frame & slab.
At Fibertec Windows and Doors Manufacturing , we produce the most energy efficient windows for residential and commercial applications. Our pultruded fiberglass frames and fiber strands ensure the highest energy efficiency in glass, air tightness, maximum security, durability and ease of operation. For over 25 years, Fibertec has been manufacturing the most energy efficient windows and doors that can be found in the industry. Our mission is to ensure thermal performance, product strength and durability while complimenting your customary fiberglass window or door design style.
For over 25 years, Fibertec Fiberglass Windows and Doors, located in Concord (just outside of Toronto), Ontario has been in the manufacturing industry of fiberglass windows and doors. Fibertec has gained the technological experience in manufacturing fiberglass windows and doors addressing all aspects of fenestration needs for both residential and commercial markets keeping performance, sealed unit integrity and energy efficiency in mind as well as a maintenance free product.
- Tennessee Timberframe uses only the highest quality timbers for its frames. We specialize in Douglas Fir and Eastern White Pine and have many other species available, such as Cedar, Spruce and Oak.