Across the joists lay a.
Roof vent louvers leaking.
The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor.
The immediate thing to do is to contain dripping water from the leak.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.
Find the water entry point.
Recaulk the corner flashing if any areas have hardened caulk.
Remove debris remove all debris from the surface of your roof and inspect to see if you have shingle damage flexible roof sealant apply flexible roof sealant from a can or tube to exposed nail heads holes gaps and loose.
Proper roof ventilation prevents excess moisture buildup under your roof and helps prevent mold wood rot and rapid deterioration of your roof.
Plastic vents could crack after exposure to rough weather.
Quick fix from inside contain dripping water.
Shingles replace missing shingles or damaged shingles if in a small.
This is vitally important to the health of your roof.
Make a temporary patch.
Take a close look at the gaskets around vent pipes.
Roof air vent leaks roof air vents allow air to circulate from the underside of your roof to the air outside your roof.
A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.
Roof vents are made from different materials.
Replace any missing or rotted siding above the step flashing on dormers.