There are a handful of possible causes for a sewer gas smell in your home most of which are the result of plumbing failures.
Sewer vent pipe on roof smells.
Sewer gas smell is caused by invisible gas that enters your home from your plumbing pipes.
Often wind currents cause these odor problems.
Often wind currents cause these odor problems.
Because of this naturally occurring cycle the septic and sewer gases have a foul odor.
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 there is a clog in the plumbing vent those sewer gasses can t escape properly.
Plumbing vent pipes are located on roofs away from windows or air conditioning units so that the fumes can easily dissipate.
One easy fix that may work is to pour a quart of water down each of your drains.
Normally the gases are carried up and away from the system s stink pipe.
But there s another part of your plumbing system that can become blocked.
What you are experiencing is downdraft from the roof.
Plumbing air vents also prevent sewer gases from entering the home and allow wastewater gas and odor to escape.
The second most common source is a bad wax seal under a toilet.
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.
Located on the roof these vent pipes allow gases to escape from your sewer system.
Sewer and septic tank odors are a big problem for some homes.
Those carbon filters you speak of work very well sometimes frost over can cause the carbon to not work effectively.
Now let s look at the top signs to look for which may mean a vent is clogged.
When you think of clogged plumbing blockages in drain pipes are probably the first issue that comes to mind.
The most common source is dry floor drains.
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.
If that doesn t get rid of the odor it s time to call a professional.
Sewer and septic tank odors are a big problem for some homes.
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.