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I have a metal roof that was installed some time ago by the previous owner. The slope is less than 1 in 12. Thus, it leaks around the screws.
I have had recommendations to remove the metal and install a rolled rubber roof. I have also had a contractor suggest "tarring" the existing metal roof. Raising the slope is not possible. It would block windows on a 200 year old home.
Which makes the most sense: try to salvage the metal roof, go rubber or tar the metal roof?
Or copy this URL:
https://www.metalroofing.com/spirit/comment/9719/find/
I think you indeed have a metal roof that was not intended for that pitch. No amount of "tarring" will provide a lasting solution.
A rubber or pvc membrane could be installed, or a mechanically seamed metal roof intended for that low pitch.
Near Flat Roof
6/22/2007
Isaiah Industries, Inc.
6/23/2007