Find the water entry point.
Attic vent pipe leak.
Do not cut any supporting beams or rafters.
The water entry point may not always the same as where the water drips.
Quick fix from inside contain dripping water.
But make a big oval hole going down.
Make a temporary patch.
Here are four common problems that can cause water to leak around vent pipes.
Across the joists lay a.
If the rubber boot is cracked rotted away or torn.
These collars consist of a metal base generally made out of aluminum and a rubber boot integrated into the top of the collar.
Areas where leaks have.
Typically vent pipe leaks occur at the collar surrounding the base of the vent pipe where it breaks through the surface of the roofing material.
Vent humid air from kitchens and bathrooms to the outside instead of the attic to avoid this problem.
Then you can easily cut the pipe lower in the old area and join it up with the new vent pipe.
Rusty and cracked collars around the vent pipe can allow rainwater to pool and eventually drip into.
Then cut the pvc lower down and properly connect it to the vent so no pressure is on any joints and is sloping downward.
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.