| 摘要 |
PROBLEM TO BE SOLVED: To provide a sash frame capable of being installed to a building without complicatedness by a field worker or the like. SOLUTION: In the sash frame in which pairs of projecting pieces extending in the longitudinal direction are formed to the internal side faces of vertical frames and horizontal frames forming an inner frame and an outer frame and the upper ends of the projecting pieces of the vertical frames and both ends of the upper horizontal frames are opposed mutually, a planer type is filled continuously with a waterproofing member among the projecting pieces of upper horizontal frames and left-right vertical frames.
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