借楼也问大神，roof年头差不多了，见到有说可以在roofing上喷洒的东东，可以让屋顶延年益寿，不知有用否？

来源: 悠步天于 2023-11-16 14:09:59 [旧帖] [给我悄悄话] 本文已被阅读：次

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