Doors » Thermally Efficient Entrace Doors

Thermally Efficient Entrance Doors

For higher energy efficiency Norrsken offers the 3K door solution.  Triple glazing or 40 mm insulated panels are used as in-fills. Thermal transmittance Uw = 1.0 W/m²K.

Energy efficient entrance doors can be either outward or inward opening and used as entrance, patio or balcony doors. Door profiles are made of solid timber and are also available in aluminium clad. It is possible to manufacture single or double leaf doors.

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

Closing system is by the Swedish lock manufacturer ASSA: hinges and three-point locking espagnolette. Patio and balcony doors have simpler locking systems.

Energy Efficient Entrance Door

Technical Properties of Norrsken Energy Efficient Entrance Door:

  • Thermal transmittance: Uw = 1,0 W/m²K;
  • Sound insulation: Rw (C; Ctr) = 34db (-1; -5);
  • Cross sections: frame 55 x 92 mm; leaf 96,5 x 75 mm; glazing bar 115 x 75 mm;
  • Pine wood with quality class A1–A3; oak threshold with fiber bar 40 x 92 mm;
  • Timber profiles are treated with water based preservative;
  • Glazing and in-fills: insulated triple glazing (40 mm; Ug = 0,6 W/m²K); insulated 40 mm veneer or MDF panels; insulated 40 mm timber or MDF profiled panel;
  • Hardware: ASSA hinges, Fix espagnolettes, Fix or ASSA handles, RUKO or ASSA locks.

    Energy Efficient Entrance Door - aluminium clad PDF  Aluminium Clad

    Energy Efficient Entrance Door - timber PDF Timber
  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.