The superior sliding system that could offer the same air-tight performance as casement window.Big sash is no longer an obstacle to offer both space saving and picture like window view.
Ultra safe sliding: the single leaf is equipped with dual stainless steel track + Ultra load-bearing double row pulley, ultra stable,quiet and smooth;Ultra safe barrier: stepped drainage design, anti wind and backflow, fearless weather any storm;
Home ultra safe: anti-theft lock system, multiple locking points provide more reassurance