Posted 9/13/2024 17:39 (#10889270 - in reply to #10889223) Subject: RE: Metal roofing screws
Holly Hill, SC
Be careful with silicone! A type I silicone can cause metal to rust since it has an acid cure, even take the galvanizing off a grain bin. Use silicone type II (neutral cure) or better yet a polyurethane caulk design for roofing.