wood aluminium windows and doors Bulgaria

...Uw up to 0.914 W / m2K (depending on configuration, size, and type of glass) Maximum glazing possibility: 36 mm Acoustic insulation coefficient up to Rw = 37 (-1; -2) dB Sections: frame - 55 mm, leaf - 63 mm Length of polyamide bar - 24 mm Performance tested on the test bench: Wind resistance (according to EN 12210: 2003): class C2 Water tightness (according to EN 12208: 2003): classes 9A and 7B Air permeability (according to EN 12207: 2003): class 4 Finishes: * Possibility of dual colors * RAL colors * Wood imitation paint...