High-Rise sealed balcony we must choose solid and firm materials to make doors and windows. At present, the most popular window made of broken bridge aluminum materials is to close the balcony. If The balcony has a large span on one side, we must use reinforced columns to ensure stability.
Broken bridge aluminum doors and windows select regular manufacturers and national standard regular brands broken bridge aluminum materials with a wall thickness of more than 1.4m. Glass should be double-layer hollow with more than 5cm tempered glass.
Window design can only be used inside casement window, or inner open inner inverted window(Do not occupy balcony space), do not open outside. On the premise of ensuring ventilation and safety, open windows as little as possible.
Summary: Broken Bridge aluminum, hollow tempered glass, famous brand wall thickness above 1.4, model 70 series, find another regular installation manufacturer and it will be OK.