Thermeco folding doors are a favourite for decks and entertainment areas, creating panoramic views with a 100% openable area. They can also be used internally as a room divider, giving flexibility to interior spaces. Multiple wings fold onto each other, saving space. The sash weight is held by top profile (head) and guided in the sill for effortless opening and closing. The bi-fold wings are lockable using an integrated bi-directional handle locating the head and sill track for and effortless result every time, an a magnetic catch holds the panels in place when opened, this design does not require a separate sub sill for drainage.