Roof Leaking From Vent

Fix a leaky roof vent pipe with a oatey rubber gasket.

Roof leaking from vent.

Rusty and cracked collars around the vent pipe can allow rainwater to pool and eventually drip into. In fact it s the most logical cause. Recaulk the corner flashing if any areas have hardened caulk. In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs.

Steps for fixing a leaking rooftop vent pipe. Items that penetrate the roof are by far the most common source of leaks. Here are four common problems that can cause water to leak around vent pipes. These pipes penetrate the roof.

Find the water entry point. If your roof vent leaks with gentle rains as well you may have a problem with the shingles around the vent or exposed or loose nail heads. Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk. The water entry point may not always the same as where the water drips.

Or it could be that the roof vent itself is cracked or damaged. Across the joists lay a. In addition to the causes above there is another possible cause for water dripping from roof vent pipes. Make a temporary patch.

Remove debris make sure your roof valleys are clear of debris re shingle valleys valleys may need to be reshingled with new ice and water shield put in place. It s when the seal around it has been broken. The immediate thing to do is to contain dripping water from the leak. Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.

Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. When this happens the water can seep into the house along the pipe. Cut away the old caulk from around the vent pipe. If the rubber boot is cracked rotted away or torn.