How to Unclog a Vent Pipe

Is your drain capable of draining waste water easily? If not there are high chances that you could be having something clogging your drains such as; food, hair or even kitchen utensil. Another cause of a slow drain is a clogged vent pipe. It is crucial to always unclog your vent

When it comes to vent pipes, they allow air in your plumbing line. This balances pressure when water flows down the drain. In the event that you have a clogged drain, you will have your plumbing system not functioning as well as it should be.

When you have a clogged vent pipe you’ll have the following signs:


  • Gurgling and bubbling sound, you will have this sounds when you have water flowing down the drain. This shows that you have air which ought to be flowing out of your vent pipe, now entering your drain which results to a clogged pipe.
  • In the event that you have a slow drain, you could be having a blocked drain. You may also be having a blockage on your main sewer line. In case you have a slow drain in every single drain in your house, it could be due to a blocked vent pipe.
  • Do you have an odour from your toilet or drain that smells like sewage? This is an indication that you have a blocked vent pipe.

How To Unclog a Toilet Vent Pipe

The vent pipe is usually found on the roof, you will need to look for a 3inch diameter black pipe which is either made of PVC or cast iron. In order to access the roof you will need a ladder, ensure that you observe the aspects of ladder safety such as placing it on a level, solid ground. Most individuals opt to call a professional when it comes to roofs as it can be dangerous.

You will need a screwdriver, garden hose, plumber’s auger and a flashlight. It’s essential that you confirm you have the toilet vent by listening to the draining sound in the pipe; when you have someone flush the toilet. In case you have a cap on your vent, use the screwdriver to get rid of it. You may also be able to unclog/open pipe’s clogged with debris; by simply removing the debris to solve the problem.

In the event that you are not able to spot any debris, using a nozzle set at jet or full spray into the pipe. This clears the pipe, if not you will need to utilize the auger where you are required to fit the cable until you reach a barrier; turn the handle so as to push the head through the blockage. You will have water draining out if you succeed, remove the cable and then spray more water into the drain to ensure that you don’t have any blockage.

In the event that these steps don’t solve your problem, contact a professional to have a look at your drains in order to resolve any problem that may be present.