A five-chamber profile of frame and sash, made exclusively of A-class prime material for an installation depth of 70 mm.
Single-chamber glass package with heat transfer coefficient Ug = 1.0 W/(m2K), according to PN-EN674 in standard.; It is possible to use a three-glass package with a coefficient of Ug = 0.7 W/(m2K).The maximum glass thickness is 36 mm. Possibilty to use glazing with higher acoustic insulation properties, tempered glass, safety glass, anti-burglary glass, ornaments or solar protective one.
Four anti-burglary bolts in standard.