• 4 seasons sunroom
  • 4 seasons veranda

Energy Performance

The insulated roof, structure, foundation, floor and openings all comply with the building code of Québec.


For more information on the energy value of each product, refer to the desired windows.


4 Seasons Sunroom

From your desires, we will design a 4 seasons sunroom perfectly matching your living space to create a usable extra room year round. All fenestrations styles are possible, either PVC or hybrid and in the color of your choice. Our materials used for the construction of your sunroom are carefully chosen for their quality insulation and reliability.
Our constructions are performed on screw piles or existing frame base, double or triple glazing with argon gas, insulated 4 seasons conventional roof.
Our prices are unbeatable thanks to our freedom of operation, our know-how as designer and installer, and our desire to make the 4 seasons sunroom accessible to all budgets.

Product Info

  • Specifications

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    Nouvelle structure

    Foundation
    • Screw piles foundation, insulation with urethane foam.

    Walls
    • Extruded aluminum structural poles carriers, insulated.
    • Fenestration of your choice with removable screen..

    Insulated roof
    • Conventional wood frame with truss.
    • Custom made, harmonized with your existing house..


    Existing foundation

    The insulated roof, structure, foundation and floor must comply with the building code of Québec.

  • Options

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  • Fenestration

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    Fenestration of your choice

  • Doors

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  • Energy Glass

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    Robover Thermos

    All our windows are made with thermos glass, double or triple glazed sealed units with an insulating interlayer.
    Additional Options: Stain, Frosted, Reflective, Tempered, etc.
    ROBOVER glass was selected for its behavior in Quebec's hard climate.
    More info on Robover glass

  • Warranty

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    Warranties on our products

    Portes et Fenêtres 440 offers a limited 5-year warranty on the installation of its 4 Seasons Sunroom. For windows refer to the desired window in the warranty section.