For higher energy efficiency DK Windows offer 3K door solution. Triple glazing or 40 mm insulated panels are used as infills. Thermal transmittance Uw = 1.0 W/m2K.
Energy efficient entrance door can be either outward or inward opening entrance door or patio or balcony door. Doors are made of solid wood profiles. It is possible to manufacture single or double leaf doors. Finishing according RAL, NCS (paint) or (lacquer) tone catalog by customer’s choice preference. Available as aluminium clad door too.
Closing system by Swedish lock manufacturer ASSA: hinges and three-point locking espagnolette. Patio and balcony doors have more simple locking system.