| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash configured such that a lower frame auxiliary material is attached to the top face of a lower frame body, and when the lower frame auxiliary material is attached and detached, the lower frame auxiliary material is prevented from being brought into contact with a vertical frame.SOLUTION: The sash comprises: a lower frame; and right and left vertical frames. The lower frame comprises: a lower frame body framed with the right and left vertical frames; a lower frame auxiliary material attached to the top face of the lower frame body; and an end component. The lower frame auxiliary material is formed with at least one of right and left end faces inclined to a lateral center side from an upper side to lower side. The end component is installed so as to be brought into contact with the vertical frame to which the end face of the lower frame auxiliary material is inclined between the right and left vertical frames, and provided with a contact surface faced to the end face of the lower frame auxiliary material. The lower frame auxiliary material is installed such that the end face of the lower frame auxiliary material is brought into contact with the contact surface of the end component. |
