The drainpipes are made of cast iron galvanized pipe copper or plastic.
What does a roof sewer vent look like.
Local building codes that regulate the materials used in the dwv system have changed over the years so most older homes have a combination of materials.
When a sink isn t draining properly and the waste line isn t clogged you may need to take a look upward to find the culprit up toward the vent system.
You know the black plumbing pipes that stick up out of your roof.
Virtually any large diameter pipe found in an attic that is running up through the floor will be a vent pipe.
The water will enter the main soil stack through the vent connection.
Look inside the vent opening and clear out any debris you find.
The plumbing vent also known as a vent stack helps regulate the air pressure in your plumbing system.
It will look much like a toilet drain pipe and will either stop in the attic and be.
The vent pipes remove or exhaust sewer gases and allow air to enter the system so that the wastewater flows freely.
Turn the hose on to full power and lower it into the vent opening.
The vent pipe works hand in hand with the drainage pipes.
When a vent becomes clogged it shows up within the home as.
It will look like a vertical pipe running through the roof.