Abstract: A door assembly for covering an opening includes a curtain supported at a first end of the opening. The curtain includes a first lateral edge supporting at least one first curtain magnetic device. The door assembly includes a first track portion extending along a first opening side of the opening between the first end and an opposing second end. The first track portion includes at least one first magnetic assembly. The first curtain magnetic device magnetically couples with the first magnetic assembly of the first track portion such that the curtain is magnetically supported at the first lateral edge of the curtain.

Abstract: A door assembly for covering an opening includes a curtain supported at a first end of the opening. The curtain includes a first lateral edge supporting at least one first curtain magnetic device. The door assembly includes a first track portion extending along a first opening side of the opening between the first end and an opposing second end. The first track portion includes at least one first magnetic assembly. The first curtain magnetic device magnetically couples with the first magnetic assembly of the first track portion such that the curtain is magnetically supported at the first lateral edge of the curtain.

Abstract: the expandable screen door comprises of a minimum of two and up to an unlimited amount of screen sections (18, 19,20 & 15,16,17). Each with either a hook or loop, or magnet, or other fastener attached to one side of the top of the screen (12) (8), and the opposite or attracting hook, loop or other fastener, attached on the opposite top side of the screen (14) (9). The middle part of each screen section (7) consists of a flexible ventilating screen or netting material. A flexible and heavier piece of material that can be folded, rolled up or cut, is attached to the bottom part of the screen (10).