Abstract: A retractable flexible screen is attached to a retractable barrier assembly fitted into a bottom edge portion of a window sash portion of a window unit. The retractable barrier assembly is provided with a weather seal and a moisture draining means. A weather strip is provided along a bottom edge of the screen. The screen is maintained in a retracted position within the retractable barrier assembly until it is desired to employ the screen. To deploy the screen, it is extracted from the retractable barrier assembly and a bottom edge is anchored against a sill portion of the window unit, thereby causing the screen to be automatically extended each time the sash is raised.

Abstract: A fenestration unit including screen coil apparatus is provided by the invention. The fenestration unit includes a frame defining an opening. A sash- is slideably received by the opening of the frame. The fenestration unit includes a screen coil assembly attached to the sash. The screen coil assembly includes a screen having first and second edges, and a roll core, wherein the screen is capable of being coiled and uncoiled on the roll core. The fenestration unit further includes an edge support having first and second support members having at least a portion located between the frame and the sash, the first and second support members for fastening to the screen first and second edges.