摘要 |
PROBLEM TO BE SOLVED: To provide an opening frame material capable of reducing the number of kinds of it, holding an appearance in design and not causing lowering of workability, a mounting structure of the opening frame material and a mounting method of the opening frame material. SOLUTION: A cross-section has a roughly L letter shape and has a long side part 101 and a short side part 102. The long side part 101 is provided in such a way as to extend roughly in the vertical direction from the one end side of the short side part 102. Additionally, a protruded part 104 extending roughly in the vertical direction against the short side part 102 roughly in the same direction as the long side part 101 is provided on the other end side of the short side part 102. Additionally, corner treatment 103 is applied on a corner part of an outside part where the short side part 102 and the long side part 101 cross with each other.
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