Bifold Window 4-STACKING LEFT / 1 RIGHT (OPEN OUT) 1500 H x 3600 WAll advertised prices are exclusive to online purchases only and exclude GST. DESCRIPTION: For a modern designer look, the Bi Fold Door extrusions are a consistent 85mm wide face on both the stiles and rails. This allows a balanced visual face and allows a vast array of hardware lock options. Combined with commercial grade spigots, these door panels are superior in strength and performance. The Bi Fold system features commercial grade E2 Centor