If the rubber boot is cracked rotted away or torn.
Pipe on roof leaking water.
If you see signs of water damage from the ceiling right below the attic then it s a certainty that you re dealing with a leaking roof.
Unless you have plumbing pipes or appliances that deal with water in your attic the leak has no other possible source than the roof.
Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.
Problems with drain pipes may cause more intermittent leaking but unlike roof leaks there is no correlation to weather conditions.
Water pipe leakage can be caused by corrosion improper installation or aging pipe joints that are not properly sealed.
Here are four common problems that can cause water to leak around vent pipes.
Here are the symptoms that the ceiling leak was caused by a leaking roof.
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.
Leaking will usually be quite steady if the ceiling leak is plumbing related.
Rotten or missing trim or siding can allow water to leak behind flashing and into your roof.
When the roof vent is leaking the actual cause must be identified first.
Whatever you do don t begin tearing holes in the ceiling and walls looking for the leak.
Some roof leaks are tough to locate.
Water leaking from the ceiling is often clear water rather than brown and dirty if a faulty plumbing pipe is the culprit.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic.
Often water runs to openings in the vapor barrier such as at ceiling light fixtures.
If your shingles are still in relatively good condition chances are that water seeps around a plumbing vent that goes through the roof.
When this happens the water can seep into the house along the pipe.
Dormer leaks can be caused from a number of issues.
Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.
Metal flashing and vent boots work together to prevent water.
Don t panic if you suspect that you have a plumbing leak.
Especially if a water supply pipe is to blame the water dripping from the ceiling may be never ending.
Worn out flashing or missing sealant can also cause roof leaks around dormers.
Sometimes the water shows up at a ceiling spot distant from the leak.