Folding doors are a wonderful way to create a seamless transition from indoor living spaces to the outdoors. These doors are fixed on one side, so can be opened completely. They can also be tilted at the top for ventilation. These doors come in double, triple, and passive house standard glazing. They are manufactured in two performance options from 1.29 Uw to 0.9 Uw.

Bifold Doors (double/triple/passive)

  • Performance

    • Thermal transmittence: Uw = 0.9 W/m²K (triple glazing), Uw = 1.29 W/m²K (double glazing)
    • Sound insulation: Rw = 33 dB (-2;-5) triple glazing, standard glasses

     

    Dimensions

    • Single sash: W 490 - 940 mm x H 1620 - 2420 mm

    • Frame: max width 4700 mm x max height 2500 mm

     

    Opening Types

    • Inward tilt, sideways fold

     

    Materials and Finishing

    • Frame: Glue-lam pine; quality class A1-A3
    • Available in timber or aluminium cladding.
    • Any RAL colour and a wide variety of wood stains available.

     

    Downloads

    Drawings: PDF

    Product data sheets: PDF

  • Performance

    • Thermal transmittence: Uw = 0.9 W/m²K (triple glazing)
    • Sound insulation: Rw = 33 dB (-2;-5) triple glazing, standard glasses

     

    Dimensions

    • Single sash: W 490 - 940 mm x H 1620 - 2420 mm

    • Frame: max width 4700 mm x max height 2500 mm

     

    Opening Types

    • Inward tilt, sideways fold

     

    Materials and Finishing

    • Frame: Glue-lam pine; quality class A1-A3
    • Available in timber or aluminium cladding.
    • Any RAL colour and a wide variety of wood stains available.

     

    Downloads

    Drawings: PDF

    Product data sheets: PDF

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CONTACT

0161 533 0965  Office

0161 533 0963  Windows

info@ecospheric.co.uk

Ecospheric Ltd

3 The Thorns

Manchester  

M21 8GB