Window Performance

UPVC Windows

Unisson windows are manufactured using 100% lead-free UPVC, providing superior strength, durability, and long-term resistance.

UPVC Windows
100% lead-free UPVC construction
Multi-chamber profiles for improved thermal performance

UPVC Windows

Our Energy Star certified multi-chamber systems are designed to improve insulation, reduce temperature transfer, and support modern sustainability goals in both residential and commercial environments.

To create a refined finish, we offer maintenance-free UPVC accessories including jamb extensions, frame moldings, and decorative corner blocks.

  • 100% lead-free UPVC construction
  • Energy Star certified systems tailored to Quebec
  • Multi-chamber profiles for improved thermal performance
  • Residential, commercial, and basement applications
  • Residential homes
  • Commercial properties
  • Basement applications
  • Full-window replacement projects
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01
100% lead-free UPVC material
Superior strength, durability, and long-term resistance against discoloration, impact damage, cracking, blistering, and warping.
02
Multi-chamber frame design
Enhanced structural rigidity with multiple internal air chambers that improve thermal performance and reduce temperature transfer.
03
Energy Star certified systems
High-efficiency insulation tailored for Quebec's climate — reducing heat loss and maintaining interior comfort in all seasons.
04
Maintenance-free UPVC accessories
Jamb extensions, frame moldings, and decorative corner blocks for a refined, cohesive finish that integrates seamlessly into your home.

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