You should not have to clean a vent on the roof. unless you are trying to clean the waste line to the fixture below. Then you would send Plumbing rods through the vent on the roof.
Yes. The roof vent is usally located on the roof. If the vent is clogged, it can create numerous issues and prevent your plumbing system from working properly.
In plumbing the roof vent should be a min of 4" to prevent hoarfrost
Vent through roof
Take your snake on the roof and clean the drain from the vent.
The alternative to a plumbing roof vent is an AAV. This is an Air Admittance Valve, a simple spring loaded ABS fitting that serves exactly the same function as a roof vent, except that it does not penetrate the roofing. I used 4 of these while re-plumbing my mobile home, three under countertops and one in the wall behind toilet. I'm very happy with their performance and even happier at having less holes in the roof.
4 " vent to prevent hoarfrost and pitch pocket around the pipe filled with bituminous material 4 " vent to prevent hoarfrost and pitch pocket around the pipe filled with bituminous material
A roof vent can be blocked by hoar frost and to illimate this phonimia you need to increase the vent terminal to 4" If a vent terminal is blocked by leaves or other soft debris the water jetting is one of the best ways to clear it
Plumbing vent pipe is installed through a cathedral ceiling and metal roof surface there is no easy access into the roof cavity. In an attic after cut off the elbow whose female end contained the remains of the ABS pipe, glued on a short extension and new elbow in the attic, and glued a new plumbing vent rooftop riser into the new elbow. For more information visit at: alliedallcityinc.com
WHICH VENT If you're talking plumbing roof vents or soffit or ridge attic air vents; absolutely not!! I can't thing of a single vent that would be opened and closed at will.
I don't quite get what you mean. -A vent pipe in a plumbing system is usually 1 1/2 inch ABS pipe and may extend through the roof, or may end in a AAV under a countertop.
If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron. If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron. If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron.
No plumbing code allows a loop in a vent line. They must be pitched just like a drain line as there are many conditions where water can be in a vent line, such as rain through a roof vent and condensation. If the "u" were to fill with water it would no longer function as a vent.