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Doors » Folding Doors

Folding Doors

Folding doors are ideal for locations where there is a need for large opening areas: opened door leaves are fixed on the side(s) of the product. This way the opening is completely clear.

This product is based on same profile system as the Norrsken inward opening timber window (therefore it does not have a conventional threshold). In addition to the traditional sideways slide opening, it also tilts at the top for ventilation. ROTO hinge systems enable us to manufacture an opening sash of up to 130 kg. The profiles and technical properties are similar to the Norrsken DK10 window.

Our folding door is available in timber and aluminium clad. Traditional double glazing (Ug = 1,1 W/m²K) or energy efficient triple glazing (Ug = 0,6 W/m²K) can be used.

Finishing according to RAL, NCS (paint) or Norrsken’s (lacquer) tone catalogue by customer's choice preference.


Technical Properties of Norrsken Folding Door:

  • Thermal transmittance
    With double glazing: Uw = 1,29 W/m²K;
    With triple glazing: Uw = 0,97 W/m²K;
    Thermal window: Uw = 0,87 W/m²K;
  • Sound insulation:
    With double glazing: Rw (C; Ctr) = 33db (-1; -4);
    With triple glazing: Rw (C; Ctr) = 35db (-1; -5);
  • Cross sections: frame 78 x 78 mm; casement 78 x 78 mm; transom/mullion 105 x 78 mm; glazing bar 63 x 78 mm or 85 x 78 mm;
  • Pine wood with quality class A1–A3;
  • Wooden profiles treated with water based preservative;
  • Glazing unit: double glazing 26 mm (Ug = 1,1 W/m²K) or triple glazing 40 mm (Ug = 0,6 W/m²K);
  • Hardware: ROTO;
  • Frame dimensions: WxH max. 4,3 x 2,5 m;
  • Multi-light windows with transoms and mullions;
  • Weight of the opening casement up to 130 kg.

    Folding door - timber PDF Timber with wooden threshold

    Folding door - timber PDF  Timber with low aluminium threshold

    Folding door - timber PDF  Aluminium Clad with wooden threshold

    Folding door - timber PDF  Aluminium Clad with low aluminium threshold


  1. Norrsken quotes are valid for 2 months from the date shown on the quotation.

  2. Payment terms are 50% deposit on placing the order and the remaining 50% upon your completed order being ready to ship from the factory. Once the sales contract is signed you agree to pay the full amount as stated in the contract based upon these payment terms.

  3. Once the deposit is paid your window manufacturing will commence. As each window is a bespoke product for your requirements changes cannot be made once manufacturing has started.

  4. Orders are based upon the measurements supplied to the factory either by you or by Norrsken. Where you have supplied the measurements, either from a window schedule or scaled drawings please check that these are accurate. Once manufacturing has started changes cannot be made. Norrsken will endeavor to check any measurements supplied to us but in the event that an error is made Norrsken cannot be held responsible.

  5. When the delivery arrives at the address supplied, removal of the goods from the delivery vehicle is the responsibility of the customer.

  6. Once the windows are delivered the warranty period commences and any issues arising will be covered by the warranty where applicable.

  7. When the delivery of your windows is made Norrsken will check with yourself or someone appointed by you that everything is in order with the delivery and that no damage has occurred in transit. Any problems must be pointed out at this stage. Claims can only be processed whilst we are on site and Norrsken cannot be held responsible for any damage occurring after the delivery has been signed off.

  8. A fitting manual will be supplied with your order. Any installation work carried out by you or by somebody appointed by you must be carried out in accordance with these fitting instructions. Failure to do so may invalidate your warranty.
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