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.
Pipe on roof leaking water.
Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.
Problems with drain pipes may cause more intermittent leaking but unlike roof leaks there is no correlation to weather conditions.
It may be coming from a leaking water pipe overhead or in the walls.
When the roof vent is leaking the actual cause must be identified first.
Here are the symptoms that the ceiling leak was caused by a leaking roof.
Especially if a water supply pipe is to blame the water dripping from the ceiling may be never ending.
Water pipe leakage can be caused by corrosion improper installation or aging pipe joints that are not properly sealed.
Rusty and cracked collars around the vent pipe can allow rainwater to pool and eventually drip into.
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.
A roof leak at the edge of a dormer can allow a lot of water to enter your home.
Sometimes the water shows up at a ceiling spot distant from the leak.
Metal flashing and vent boots work together to prevent water.
Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.
If your shingles are still in relatively good condition chances are that water seeps around a plumbing vent that goes through the roof.
Water leaking from the ceiling is often clear water rather than brown and dirty if a faulty plumbing pipe is the culprit.
Leaking will usually be quite steady if the ceiling leak is plumbing related.
Worn out flashing or missing sealant can also cause roof leaks around dormers.
If the rubber boot is cracked rotted away or torn.
When this happens the water can seep into the house along the pipe.
Rotten or missing trim or siding can allow water to leak behind flashing and into your 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.
Some roof leaks are tough to locate.
Here are four common problems that can cause water to leak around vent pipes.
Whatever you do don t begin tearing holes in the ceiling and walls looking for the leak.
Don t panic if you suspect that you have a plumbing leak.
