Engineering and fabrication

How do you install metal roofing around existing skylights?

Have two rectangular shaped skylights...my husband and I have already installed metal roofing on part of our house, now moving on to the part that has the skylights. Want to be sure to do it correctly so we won't have leaks. Should we just cut the metal holes out and silicone around the edges or is there more to it than that? Please advise.

Public Comments

  1. You need to use flashing. Flashing is really the ONLY proper way to insure against leakage. They make it to work with all types of roofs. Check a roofing supply company. Home depot and the like will probably not have what you need. A roofing supply company will and the people who work there will know the business and be able to tell you what you need and how to install it.

  2. flashing's must be installed from the bottom/lowest point to the top/highest point of skylight. this ensures that the overlap at the seams face downwards. the top of the flashing must be secured under/behind the skylight frame and on top of the steel roofing. a pro would tab and mitre the corners tight enough not to need extra sealing. you can practice tinsmithing or...clean dirt and skin oil off of installed flashing's with clean rag and isopropyl alchohol. seal with the best caulking you can afford



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