Create a seamless flow and a grand entryway with aluminium bi-fold doors, made to measure in our on-site facility. Bi-folding doors, also known as concertina doors, are a stylish addition to restaurants and cafes across Sydney, as well as in homes where you frequently entertain or spend time outdoors. The panels stack on top of each other when opened, so there are no fixed panels bloc... https://www.bwwindows.com.au/doors/folding-doors/