
A roof leak brings to mind a dramatic drip-drip-drip into a bucket in the middle of the living room. But that is the best-case scenario because you spot it immediately. The most dangerous leaks are the silent ones. They sneak in through a cracked shingle or a loose flashing and trickle down behind your walls, unseen.
This water rots your framing, breeds toxic mold, and compromises your home’s structure for months or even years before you notice a puddle. Roofers call these “stealth leaks.” Catching them early is the difference between a $200 patch and a $20,000 renovation. Here are seven subtle signs your roof is leaking behind the walls that you need to look for today.