Last Updated：2025/11/21
During the restoration, the contractor recommended filleting at the roof-to-parapet junction to ensure the joint remained watertight.
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During the restoration, the contractor recommended filleting at the roof-to-parapet junction to ensure the joint remained watertight.
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修復工事の際、請負業者は接合部の防水性を確保するために、屋根とパラペットの取り合い部にモルタルの面取りを勧めた。
