Instead they serve to equalize air pressure within the dwv system and also release sewer gases into the outdoor air as all vent pipes terminate through the roof.
Why do you snake a drain from roof vent.
If you want to snake a roof vent the electric eel model c is capable of turning 200 feet of self feeding 1 1 4 dual cables at 500 rpm.
Do not try this.
With the right machine it s not an issue.
Listen carefully for water backing up and a sudden whoosh when the weight of the water forces the clog into and down the drain.
How to clear drains through the roof vent.
Typically a 3 of 4 roof vent can be found on the older homes.
Vents allow sewer gases to escape and allow air.
Snaking a sewer from the roof is my go to plan if there is.
Before you consider cleaning your drain from a rooftop take into account the accessibility of the vent condition of the roof weather and any other factors that might complicate the job.
I snake all the time from the roof.
Listen carefully for water backing up and a sudden whoosh as the weight of the water pushes the clog back down the drain.
The waste lines in your house are connected to a venting system that performs two important functions.
Feed the end of a garden hose down the vent pipe and have someone on the ground turn on the water.
To continue feed the end of a garden hose down the vent and have someone on the ground turn on the water.
If you can see but can t reach run a plumber s snake down the vent pipe.
For those items you can t remove from above run the plumber s snake down the vent pipe.
Also i don t go on tile roofs as there is a risk of damage.
A vacuum is being created that is pulling things in the wrong direction.
Depending on the design of your roof and location of the vent setup and cleanup can also be easier than using an indoor drain opening.
If you started to experience the problems described above after a snowstorm snow on the roof is probably blocking your sewer vent.
Best way to snake from the roof gear junkie did you see the post with photo s a while back where the plumber poster used a long length of 3 plastic to make a snake guide tube that went from the roof vent down to his snake that never left ground level i thought it was pretty ingenious heck maybe thats the way it s done in his area i ve just never heard of it around here he used a series.
If the air from the drain or toilet smells like sewage this can also be a sign that the vent pipe is blocked.
The vent pipes are part of the drain waste vent or dwv system of a house or building and they do not carry water inside them.