SUNROOM

PURPOSE: To provide a sunroom which can be easily and removably installed by providing a sash frame, which can be assembled and disassembled on a veranda, and a windowpane which is removably fitted into the sash frame. CONSTITUTION: A sunroom 2 comprises a sash frame 2a which is assembled and set up on a lower floor veranda and a windowpane 2b which is fitted into the sash frame as its main parts. Then, the sash frame 2a is provided with a fit-in groove 2a' which is designed to fit the windowpane 2b into an inner peripheral part of the sash frame 2a which is assembled with a plurality of component members. The upper end portions of the sash frame 2a are formed in a slanting state where a fixing material 3 is inserted into the clearance, thereby stabilizing the sash frame 2a without fixing the frame with a bolt, for example. Then, an insulation member 4 is installed alone the bottom of an upper layer floor 1a' and mounted to the upper end of the sash frame 2a by way of a hinge 5 and held with a holder 6.