Fiberglass Performance You Can Trust
Fibertec’s fiberglass windows and doors deliver unmatched strength, energy efficiency, and long-term durability. Designed for both residential and commercial projects, they meet the highest standards for sustainability and comfort.
The Fibertec Advantage
Fibertec windows deliver exceptional insulation with triple glazing and fiberglass frames. Achieving U-values as low as U-0.12, they maximize comfort, reduce energy costs, and meet Passive House standards.
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Our pultruded fiberglass frames are up to eight times stronger than vinyl, resisting warping, expansion, and decay. Built for durability and smooth operation, they ensure lasting performance in every climate.
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Fibertec products use recyclable materials and low-VOC finishes to support LEED, Net Zero, and Passive House goals—reducing environmental impact while enhancing efficiency, comfort, and long-term value.
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Every Fibertec window and door is custom-built in Canada, offering tailored shapes, colors, and finishes that combine architectural beauty with superior energy performance and precision craftsmanship.
Book a Free ConsultationEngineered for Energy Efficiency
Why Choose Fibertec
Our fiberglass systems meet Passive House and LEED standards to cut energy costs. For over 40 years, Fibertec has delivered trusted, sustainable performance.
Built for Passive House Standards
Our windows and doors help meet strict energy codes with airtight designs and low U-values.
Triple-Glazed Performance
Advanced glazing maximizes efficiency, reduces noise, and enhances year-round comfort.
Durable Fiberglass Construction
Engineered to resist warping, rotting, and corrosion, ensuring lasting strength in any climate.
What Our Customers Say
Proven Results. Real Experiences.
See how real clients are experiencing the comfort, efficiency, and lasting beauty of Fibertec fiberglass windows and doors.
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Karen
This is just placeholder text. Don’t be alarmed, this is just here to fill up space since your finalized copy isn’t ready yet. Once we have your content finalized, we’ll replace this placeholder text with your real content.
KarenThis is just placeholder text. Don’t be alarmed, this is just here to fill up space since your finalized copy isn’t ready yet. Once we have your content finalized, we’ll replace this placeholder text with your real content.
KarenThis is just placeholder text. Don’t be alarmed, this is just here to fill up space since your finalized copy isn’t ready yet. Once we have your content finalized, we’ll replace this placeholder text with your real content.
Karen
Knowledge That Builds Performance
Insights & Expertise
Explore expert insights, data, and case studies showing how Fibertec’s fiberglass systems exceed modern performance and certification standards.
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Built for Performance.
Designed for Sustainability.
Discover how Fibertec’s fiberglass windows and doors can lower energy costs, meet green building standards, and enhance comfort in any space.
- Triple-glazed, Passive House–ready window systems
- CSA- and LEED-compliant solutions for residential and commercial builds
- Backed by nearly 40 years of energy-efficient innovation