Engineered to provide the slim profiles of aluminum with the thermal efficiency of wood, fiberglass is the only material that matches the expansion and contraction of the glass itself.
Is It Time?
Why Choose SILEX Fiberglass?
SILEX manufactures every window and door using high-grade pultruded fibreglass, delivering exceptional strength, energy efficiency, and long-term climate performance. Designed specifically for Canadian conditions, our products resist warping, expansion, and performance loss over time.
High Dimensional Stability
High Energy Efficiency
Environmentally Friendly with EPD Certification
Minimalist Appeal
SILEX Fiberglass Series
Thermal Expansion
Co-efficient of expansion identical to glass, preventing seal failure.
Strength-to-Weight
3x stronger than aluminum; allows for massive, oversized glass spans.
Durability
Non-corrosive and impervious to UV degradation and rot.
Energy Rating
Significant savings on heating and cooling bills in Ontario winters.
Hardware
Heavy-duty, stainless steel multi-point locking systems for ultimate security and ease of operation.
Finishes
A wide array of baked-on powder coat finishes that are scratch-resistant and will not fade under intense UV exposure.
Clear explanations to help you understand how we work and what to expect.
Can I get fiberglass windows in dark colors like Black or Iron Ore?