Now let s look at the top signs to look for which may mean a vent is clogged.
Sewer vent pipe on roof smells.
Plumbing vent pipes are located on roofs away from windows or air conditioning units so that the fumes can easily dissipate.
Vent stacks are supposed to remove foul air to the outside it equalizes pressure so that the fixtures operate properly.
Sewer and septic tank odors are a big problem for some homes.
What you are experiencing is downdraft from the roof.
But there s another part of your plumbing system that can become blocked.
Often wind currents cause these odor problems.
Located on the roof these vent pipes allow gases to escape from your sewer system.
There are a handful of possible causes for a sewer gas smell in your home most of which are the result of plumbing failures.
Similar to a drain trap vents allow sewer gas to leave your home through your roof rather than going elsewhere.
When you think of clogged plumbing blockages in drain pipes are probably the first issue that comes to mind.
The plumbing roof vent pipe and yard based sewer vent pipe are also a place where septic gases and sewer gases exit the system safely.
Strong sewage smells are a telltale sign that your toilet vent pipe may be clogged.
Because of this naturally occurring cycle the septic and sewer gases have a foul odor.
Sewer gas smell is caused by invisible gas that enters your home from your plumbing pipes.
One of the main jobs of vent pipes is to get rid of those nasty odors and gasses so if you smell something off it s time to check it out.
Plumbing air vents also prevent sewer gases from entering the home and allow wastewater gas and odor to escape.
One easy fix that may work is to pour a quart of water down each of your drains.
The second most common source is a bad wax seal under a toilet.
The most common source is dry floor drains.
As wind blows over the house the air currents that are supposed to carry the gases up and away can carry sewer gas down fron the vent stack on the roof into the living areas.
Often wind currents cause these odor problems.
If there is a clog in the plumbing vent those sewer gasses can t escape properly.
Normally the gases are carried up and away from the system s stink pipe.
As wind blows over the house the air currents that are supposed to carry the gases up and away can carry sewer gas down fron the vent stack on the roof into the living areas.
If that doesn t get rid of the odor it s time to call a professional.
