5 Reasons to choose Portes et Fenêtres L’Assomption Inc.

For the total customization of your doors and windows

  • Wide range of colors with branded color reproduction options
  • Choice of various materials (PVC, aluminum, wood, hybrid) (PVC, aluminium, bois, hybride)
  • Possibility of oversized windows or special dimensions

For our turnkey offer that simplifies your life

  • Find everything you need under one roof (doors, handles, windows and patio doors)
  • Professional quality service: design, measurement, installation and expert advice

For our guarantee that exceeds industry standards

  • 98% of our door and window components are manufactured here in Quebec, ensuring durability and comfort, no matter which product you choose

For our attention to detail at every step

  • All our products are intended and tested for your peace of mind
  • Easy maintenance thanks to our innovative designs

For contemporary doors and windows

  • Trendy colors and patterns
  • Products for all styles and budgets


Do not hesitate to contact us for more information about our different products. In addition, we invite you to consult our various brochures of products and services regarding doors and windows.

Exterior doors


Glass and stained glass

Verre Select

Glass and stained glass


Glass and stained glass


Glass and stained glass


Handles and hardware


Handles and hardware


Presentation of Ultima Fenestration