• window and balcony door system with thermal insulation
• tilt and turn function
• made from the highest grade of selected types of wood
• three-layer glued scantling: pine, meranti, oak, siberian larch
• heat transfer coefficient: U = 1,0 W/m2K
• increased resistance to warping
• edges rounded to a radius of 9°
• glazing bead angle of incline – 17°
• glass units with a thickness from 24mm to 30mm
• aluminium drip, both on the frame and the sash
• range of colors with the use of transparent varnishes showing the structure of wood and a topcoat