| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash capable of closing both a water inlet hole and a drain hole of a bottom frame with few parts when a fire occurs as well as preventing a flame passing through the bottom frame from entering.SOLUTION: A bottom frame 11 of a frame body 1 comprises: a top face 11b facing a lower side of sliding doors 4 and 5; an outdoor side surface 11c facing an outdoor side; and a hollow part 32 surrounded with the top face 11b and the outdoor side surface 11c. A water inlet hole 33 is formed on the top face 11b. A drain hole 34 is formed on the outdoor side surface 11c. An attaching part 35 having a surface part facing water inlet hole 35c, which faces the water inlet hole 33, and a surface part facing drain hole 35b, which faces the drain hole 34, is provided in the hollow part 32. Heat foam materials 36 and 37 are set on the surface part facing water inlet hole 35c and the surface part facing drain hole 35b of the attaching part 35, respectively. |
