To provide a paper screen device wherein a lower frame and a floor face are located on the same plane, and to provide a closing device free from an unnecessary clearance at a lower side of the paper screen.

In this sash with openable sliding paper screen wherein the paper screen D is built in a sash frame A rotatably on a vertical shaft, at least a pair of inclined slots 7, 7 gradually downwardly inclined from a paper screen suspending side to a door end side direction, are formed on a closing material 3 projecting from a lower frame 2 the paper screen is closed, for closing a lower part of the paper screen. A spindle 12 is penetrated through each of the inclined slots 7, 7, and the closing member 3 is assembled in a lower part of the paper screen D downwardly movably against the energization of a return spring 8. A pressure receiving edge 19a to which an edge at the suspending side is pressed when the paper screen is closed, is mounted on a lower part of the sash frame A.