Leaks in the roof or plumbing above the ductwork can allow water to travel down the ducts to the vents.
Water heater roof vent leak.
Here are four common problems that can cause water to leak around vent pipes.
Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.
Fix a leaky roof vent pipe with a oatey rubber gasket.
Check if there are any droplets of water on top or on the bottom of the water heater tank or inside the combustion chamber.
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.
If you can see the affected ductwork follow the water tracks back to the source of the leak.
When this happens the water can seep into the house along the pipe.
When the roof vent is leaking the actual cause must be identified first.
Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.
Rusty and cracked collars around the vent pipe can allow rainwater to pool and eventually drip into.
Shingles replace missing shingles or damaged shingles if in a small.
Gas must continuously run upward toward the chimney entrance to provide proper draft.
Here are a 19 signs you may have a roof leak water stains or damp spots on your ceiling moist drywall or paint around light fixtures or electrical outlets damp spots around interior air vents or fireplaces interior paint bubbling or peeling during hard rains dripping sounds inside your home water.