What are these stains and damage on my attic roof sheathing?
Stains and past carpenter ant damage on new roof sheathing leave homeowners unsure if the roof is structurally compromised or safe. This uncertainty makes it difficult to know whether to file an expensive warranty claim or contractor repair.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Cleaning a test area to see if it changes over time
- 2Taking monthly pictures to monitor for changes
- 3Contacting the builder warranty hotline
- 4taking closer up photos with more light
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
Where this came up
People with this problem also raised
- 4Why is my dry ceiling stain getting bigger?
- 5Unexplained hole in attic roof decking
- 5Is underlayment required under slate, tile, or thatch roofs?
- 17How to find where a roof leak is actually coming from
- 3Why is this wall discolored if it is not wet?
- 2How to tell if slate roof wear is normal or a serious problem?