Pvc coupling or insert a 3 in to 4 in.
Water pipe leak in the attic.
Let water in anymore this will stop any rain water going into pvc pipe and leaking in the attick some times the elbows aren t.
The only way water steam can get into the attic is through the central heating tank or the hot water storage tank either through the expansion pipe or the outlets of the storage tanks.
One of the most common sources of water leakage that causes hidden damage comes from your furnace and air conditioner.
Any pipe trough to the attic it call ventilation pipe they are design to pressurize the drain system and exit of the bad gases by entry of the air trough to those pipe water in drain pipe will go.
Moving plumbing pipes from a slab to an attic use pex pipe.
Placing water pipes in outside walls greatly increases the risk of frozen and burst pipes in cold.
The easiest solution is to saw out the caulked joint removing about 1 in.
When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.
As you might expect when the caulk eventually fails a trickle of water will leak through and drip down through the ceiling below.
Rainy weather causes the first type of leak to be discovered.
Make sure to have your furnace and air conditioning unit inspected on a yearly basis to ensure all the drains are clear and functioning properly.
The vent pipes join together in the attic from two bathrooms.
Just be careful when you get up walk crawl around in an att.
Furnace and air conditioning maintenance.
Then either glue in a proper 3 in to 4 in.
At the very least shingles.
Tools and supplies you will need drywall saw for removal of ceiling surface flashlight various wrenches channel locks pliers and adjustable wrenches are typical replacement pipes and fittings as required plumber s putty thread seal tape silicone caulk grout and grout sealer wax ring for toilet.