UPPER FLOOR MAT

PURPOSE:To form a new straw-matted floor of Western style manner in good appearance by providing a mat and a table plate of shape equal to a regular hexagonal flat frame unit in the upper surface thereof while arranging the other mat with its side adjacent to the periphery of the one mat. CONSTITUTION:A frame unit 7 is formed of a regular hexagonal outer frame unit 11, inner frame unit 12 comprising a longitudinal crosspiece unit 13 and a lateral crosspiece unit 15 and a crosspiece member 17. Next a mat tool 9 is placed on the frame unit 7 through a foundation plate 19, and a mat 2 is formed. Then a center table plate-shaped mat 3A and a side table plate-shaped mat 3B, with a table plate mounted onto the from 7, are formed. The mat 2 and the mat 38 are alternately adjacently arranged in the periphery of the mat 3A. Further the mats are placed to be piled together at the time of storage. In this way, a new matted surface can be formed in a Western style room of wooden floor further to correspond to a change of number of persons and arrangement while to be compactly stored.