| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash which can facilitate work for fixing a heat-foaming material and prevent falling off due to aged deterioration.SOLUTION: A frame member which forms a frame body 1 provided in a building opening part and accommodating sashes 2, 3 inside, or a stile member forming the sashes 2, 3 is mounted with a holder member 13 which includes a heat-foaming material 13c that foams when heated. The holder member 13 is provided with an external part 13a along a surface shape of the frame member or the stile member. A holding part 13b which locks the heat-foaming material 13c is formed in the external part 13a. The frame member or the stile member has a recessed part 11d having a cross section of a recessed shape. The external part 13a is engaged with the recessed part 11d to lock the holder member 13. |
