Posted 9/14/2024 09:55 (#10889950 - in reply to #10889270) Subject: RE: Metal roofing screws
shulerfarm - 9/13/2024 17:39
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.