Repairing rotted wood section of flat roof?

Old 07-18-07, 11:08 AM
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Join Date: Jan 2006
Location: south Alabama
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Question Repairing rotted wood section of flat roof?

I probably goofed yesterday when I originally posted my inquiry to the 'Garages & Carports' forum..

Anyhow though..I have a leaking carport (flat) roof and I was wondering what options would be available for me to fix the leak..

I posted some photos of the section of roof that needs the TLC in my post in the other forum yesterday..

However, I have been tearing blistered/loose sections away from the immediate area where repair is needed so I took yet another small batch of pics and posted them..

I would appreciate it if someone could tell me whether or not this damage can be patched/fixed/repaired or whether I need to look into re-rolling the entire roof again..

The wood (beams or plywood sheets??) decking where the wood is rotting (and leaking) will obviously have to be repaired..

I also noticed that this area had obviously been patched at some point before because I ran across a piece of thin copper plating that had been nailed down and pasted over with roof cement (or something) as I was busy pulling/knifing away the extremely loose material from the vicinity of the area where the most rotted wood damage is exposed.

Again, I'm not quite sure about how to proceed from here...

Would I just be able to cut away the layers of felt in just those confined areas that lie above the wooden boards/sheets that have rotten places in them and then replace the wood and then lay new layers of felt over those sections again.....or is there some other way that I can repair only those places without having to pull up every layer of every roll of felt on the flat roof and then lay new felt down everywhere again??

Here are the photos of the damaged sections of roof that I am talking about:

Also, in Photo #1 I circled areas in yellow where I believe there to be more soft, rotting wood underneath the felt that I didn't pull/tear away far I have only pulled old material away that were within the boundaries of just one of the strips of old roofing felt.

Any tips/suggestions would be greatly appreciated!
Old 07-18-07, 12:49 PM
Join Date: Feb 2006
Location: USA
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It appears that you have structural damage. I would have the roof completely torn off, structural and sheathing damage repaired, and then a new roof installed. Good luck with your project.

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