Roofing/Roof repair


How would a roofer typically repair a sunken area on a nearly flat
roof, near the gutter?

You would have to first found out if the roof is stable or not. If it is not stable and it is continually sinking then if you fix it it will just keep sagging. You also have to make sure that the sagging is not due to broken joists that might eventually snap and collapse inside.

If it is not stable then you have to rip it all up and see what's going on inside to fix it. You might be able to rip the ceiling down on the inside to check it out.

If stable you can add plywood but that will leave a lip. Best thing is to rip up plywood, nail on 2x3s to the joists but set them at the proper height and then put new plywood down.



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Brad Zacharia


All aspects of residential Roofing. This includes shingles and flat (low slope) roofs. I have knowledge in the installation as well as the design of roofs from an engineering standpoint.


I have been doing roofing for 40 years. This was my father's business and I took it over in 1980.

I have written responses to artcles that I felt needed a response to and those responses have been published in roofing trade magazines.

BSEE Drexel University

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