Unexplained hole in attic roof decking
Attic roof decking holes can stem from structural damage, previous installation cutouts, moisture rot, or wildlife chewing through the wood. Without identifying the exact cause and severity, homeowners risk leaving active leaks or structural weaknesses unaddressed until they require expensive professional repairs.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1asking online forums for diagnostic opinions
- 2hiring a roofer to inspect the damage
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“I was looking around my attic and noticed this fairly large, irregular hole/opening in the wood underneath the roof. I’m not sure how long it has been there or what caused it.”source ↗
“Recently purchased home and went to check attic for leaks. Noticed this substance, any idea what this hose is for or what the substance is?”source ↗
Where this came up
People with this problem also raised
- 12How to find where a roof leak is actually coming from
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- 2How to buy small quantities of roofing materials
- 5What is this random dripping exterior pipe on my house?
- 2Is underlayment required under slate, tile, or thatch roofs?
- 14Water dripping from electrical switches behind walls