Why Venting a Bathroom Fan Into the Attic Creates Bigger Problems

https://dryhousenotes.stonefielddigest.com/posts/why-venting-a-bathroom-fan-into-the-attic-creates-bigger-problems

Venting a bathroom fan directly into your attic might feel like a quick fix, but it's a classic shortcut that backfires. The warm, moist air from showers will condense on cold roof sheathing and rafters, soaking the insulation and wood. Over time, this trapped moisture invites mold growth and can rot the structural framing, leading to a costly roof repair. You’re basically sending the humidity problem up instead of out, turning your attic into a damp breeding ground for damage that could have b…