Sewer Vent Pipe On Roof Smells

There are a handful of possible causes for a sewer gas smell in your home most of which are the result of.

Sewer vent pipe on roof smells. It helps maintain proper atmospheric pressure in a building s waste system and channels the exhaust gasses to the vent. Vent pipes on the roof are intake vents not exhaust vents as most people believe. When a large volume of water enters a plumbing drain pipe it pushes air in front of it towards the sewer or septic tank. 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.

Vent pipes supply fresh air to each plumbing fixture in the house which helps the system move water through the drainage pipes each time a toilet is flushed or a sink is drained. Plumbing air vents also prevent sewer gases from entering the home and allow wastewater gas and odor to escape. But there s another part of your plumbing system that can become blocked. Located on the roof these vent pipes allow gases to escape from your sewer system.

Because of this naturally occurring cycle the septic and sewer gases have a foul odor. The pipe leading to the main roof vent is called the vent stack. This air must be replaced and it is sucked into the plumbing system through the roof vents. One easy fix that may work is to pour a quart of water down each of your drains.

Modern plumbing systems have measures in place to protect homes from sewer gas leakage. If you smell sewer gas in your home that means either a trap has run dry or a vent line has cracked. They regulate the air pressure in. When you think of clogged plumbing blockages in drain pipes are probably the first issue that comes to mind.

This article describes how to examine the building s plumbing vent system piping and connections in order to diagnose find and cure odors in buildings including septic or sewage or sewer gas smells or plumbing drain and fixture noises that may appear indoors or outside. If that doesn t get rid of the odor it s time to call a professional. Similar to a drain trap vents allow sewer gas to leave your home through your roof rather than going elsewhere. The vents in your home should channel sewer odor up to the roof while drain traps create a water plug that acts as a barrier stopping sewer odors from coming through the sink drain.