Windows are necessary construction material for a building. The normal material of window includes aluminum alloy, PVC, etc. The dimension is customized, and the glass can be single glazed, double glazed or even triple glazed if there is requirement for heat insulation. Based on different function and climate condition in local site, the opening of window can be sliding type, putting type, or top hung.
The hardware of window is a concerned point during customers’ selection, because the window is a frequent opening facility during the daily use. CDPH also paid attention to this point and will provide customer qualified material with strict inspection.