Exhaust Vent Roof Leak

I went into our attic which unfortunately is so short you have to crawl like a crab in there and noticed that the bathroom exhaust vent vented into the attic.

Exhaust vent roof leak.

Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe. I thought it was a roof leak too until i stuck my finger into the piping inside the exhaust unit and there was a pool of water inside. Fix a leaky roof vent pipe with a oatey rubber gasket. Most vents have an integrated base flashing typically made.

Cut away the old caulk from around the vent pipe. If your turbine vent is in good condition turns properly and has no missing fins the leak may be occurring around the base of the vent. 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.

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. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing. Use the knife blade to scrape the pipe clean and smooth.

Roof vent pipes from plumbing or exhaust vents penetrate the roof and are usually sealed using a collar style flashing made out of a flexible material like epdm rubber or flexible pvc. Damaged vent pipe collars typically v ent pipe leaks occur at the collar surrounding the base of the vent pipe where it breaks through the surface of the roofing material. 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. Steps for fixing a leaking rooftop vent pipe.

These boots vary in quality flexibility and longevity. When your roof was installed each vent pipe received a flexible boot to seal water around the round surface of the vent pipe. Years ago the bathroom exhaust started dripping water.