Double-hinged windows designed for historical old town or heritage buildings, retaining the original façade look. For windows to meet modern energy saving requirements there are modern bindings and several spacers used, with glass units being used instead of one glass. Double-hinged windows with double frame construction can be opened:
- inside hinge allows it to be opening inwards, with the outside hinges opening inwards too;
- inside hinge allows it to be opening inwards, with the outside hinges opening outwards.
- Frame thickness: 48 x 68 mm / 240 mm
- Frame construction: Uf value 0,85 W / m² K
- Thermal glass Ug: 0,95 W / m² K
- Uw value window: = 1,1 W / m² K (DH-type glass)
- Wood type: Pine, oak, fir, larch, meranti, sipo, mahagoni, afromosia, eucalyptus, bamboo, linden, ash and other wood types.
- Frame
- Surface inside: All RAL tones, color palette, natural varnish finish (glossy or matte), as well as wood tones (individual).
- Surface outside: All RAL tones, color palette, as well as wood tones (individual).
- Protection: Various types of wooden and aluminum water boards completely maintenance free and resistant to atmospheric effect.
- Furniture: Secure hardware German company GU or ROTO.
- Gaskets: Two or three rows of gaskets.