Amazing New Ideas

Pvc-pipe-in-attic-leaking, sorry in advance for this long scenario for a hopefully simple question. the main one is: can there be an almost-steady leak from a pvc vent pipe in a ba.... How to install an attic exhaust pipe. if you decide to vent your bath exhaust through the roof using solid pvc pipe, be sure to use a high-quality flashing like this one to prevent leaks., i noticed some water stains on the ceiling of my bathroom - i went up to our attic and saw that the stains were directly below the pvc pipe roof vent tubes...i put a tray below the "elbow" of the tube and noticed that indeed after rain storms, water did accumulate.