Products / Industrial doors / Folding doors Folding doors Horizontally folding doors are ideal where space is limited around the opening, minimizing the ceiling space required inside the building. Few moving parts contribute to high reliability. ASSA ABLOY fully-glazed folding doorsLet in the light and display what's stored inside. ASSA ABLOY insulated folding doorsExtra energy efficiency in industrial environments. ASSA ABLOY folding car-wash doorsCope with the humid environment of car-wash halls.