MOUNTING METHOD OF SASH FRAME AND MOUNTING STRUCTURE FOR SASH FRAME

摘要

PROBLEM TO BE SOLVED: To substitute a sash frame mounted from an indoor side, and improve safety of work, by additionally providing an exterior material having a projection part on an outside wall base body having an opening part for inserting and fixing a sash unit from the indoor side and by making watertight an outer surface of a backup material arranged to attaching spaces of a reverse surface of the projection part and an outer surface of a rectangular frame for a backing. ;SOLUTION: A sash unit 5 beforehand attached a sash frame 3 to rectangular frame 2 for a backing is inserted and fixed to an opening part 9 enclosed by an opening frame 7 provided on an outside wall base body 6 from an indoor side, and an exterior material 23 is then additionally provided on an outer surface of the outside wall base body 6. The exterior material 23 is provided with a projection part 25 on an inner edge 23e of the opening part 9, a backup material 27 is inserted in attaching space of a surface of an indoor side of the projection part 25, namely an outer surface of an opening frame 7 and an outer surface of the rectangular frame 2 for a backing, and a watertight material is filled in an outside of the backup material 27 or is attached to the same to make watertight between the projection part 25 and the sash frame 3. Accordingly, since the sash frame 3 can be attached from the indoor side, it is possible to improve safety of work, and since the exterior material 23 is not peeled off at the time of substitution, it is possible to easily perform work.;COPYRIGHT: (C)2000,JPO