Accordion door to basement steps?
Accordion Doors by Panelfold®
If you’re trying to define space without compromising detail and having to spend a lot in renovations, accordion room dividers can easily do that for you.
Folding Door Taguig - , Find Complete Details about Folding Door Taguig - Door from Blinds, Shades & Shutters Supplier or Manufacturer-DS Windows & Walls Interior Supply
Folding doors opening out into the garden