Aluminium folding door is a type of door which opens by folding back in sections or so-called panels. Folding doors are aka. ‘bi-fold doors’, in spite of them most often having more than two panels. Folding Door is fall under performance series where it have better sound insulation than normal sliding door. Folding door system able to transform any interior into a totally different view, while offering home owners flexible access and optimum security by using a 2-point locking system that secures both top and bottom of the door panel.