Pipe Vent Roof Obstrution

Lean a ladder against the house as close as possible to the room with the blockage and.

Pipe vent roof obstrution. Just as drain pipes remove water and waste from your home the plumbing vent pipe also known as a plumbing air vent removes gas and odors it also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water. Your vent pipe can become clogged from a variety of things. Once you ve determined that the problem is probably in the roof vent you need to locate the vent itself. That s a sign that you need to clear the vent pipe with a plumbing.

Clogged vent pipe symptoms. The one to two foot vertical pipe you see on most roof tops is the visible extension of the vent stack. 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. If the vent line is obstructed it can cause a number of problems including.

The vent pipe can also be blocked and when this is the problem your plumbing system will not function as it should. If the main vent is blocked the water will back up. Vent pipes allow air into the plumbing line to balance the pressure in the pipe as water goes down the drain. They regulate the air pressure in your system allowing waste to flow freely.

When the vent pipe is clogged it shows up within your home in a variety of ways from ghost flushing from your toilet to a sink that won t drain properly. So you may want to have this job done by someone who has experience working up high. The vent system those plumbing pipes that stick out of your roof may be clogged instead. Unfortunately the best place to clear a blockage in a vent pipe is from the roof.

The drainpipes are made of cast iron galvanized pipe copper or plastic. Located on the roof these vent pipes allow gases to escape from your sewer system. Slow clearing drains if the drain just isn t clearing and you ve done everything reasonable to clear a possible clog in the drain your problem may be an obstructed vent pipe. They can run horizontally as long as they maintain a minimum downward slope 1 4 inch per foot toward the fixture to prevent water from pooling inside.

If they become blocked your system won t drain properly. Working up on the roof can be a dangerous task to say the least. Here s a closer look at this issue. What is a plumbing vent.

Climb the roof with a garden hose and spray water into the main vent opening.