Home depot沒有看到tar sealant, 所以我問chatgpt和gemini, 在composite shingle上裝vent,哪個sealant最好。兩個都推薦polyurethane roof sealant。你說的tar是不是就是下麵那個Asphalt-based Roof Sealant? 為什麽你認為別的更容易漏?
謝謝!
Home depot沒有看到tar sealant, 所以我問chatgpt和gemini, 在composite shingle上裝vent,哪個sealant最好。兩個都推薦polyurethane roof sealant。你說的tar是不是就是下麵那個Asphalt-based Roof Sealant? 為什麽你認為別的更容易漏?
謝謝!
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