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A branch fell and broke my skylight glass. I ordered replacement glass, and now I'm wondering the proper way to caulk it in. First, do I need to caulk it in? I don't see any caulk residue from the previous glass. Second, if I do, do I use silicone? And what's the proper way? Put a bead on the edge underneath and just set the pane down on it?

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  • You need some type of seal there. Either a rubber gasket or caulking to keep water/air out. For a roof I would place a bead of caulking to set the glass in and a bead along the edges on the top side.
    – crip659
    Sep 17, 2023 at 16:52
  • Silicone in each case?
    – Sam
    Sep 17, 2023 at 23:35

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