Sewer Roof Vent Iced Over

If you started to experience the problems described above after a snowstorm snow on the roof is probably blocking your sewer vent.

Sewer roof vent iced over.

Excessive snow on the roof can block the vent s stack and cause freezing. The frost free sewer vent stays clear of ice without treacherous trips to the roof patented easy to install vent sized to fit all standard pipes. A gurgling toilet may indicate a clogged or frozen vent stack. What is a plumbing vent.

There are a number of possible causes of blocked sewer vents. Sewer vent pipes are on the roof of homes and other buildings. Your plumbing vent pipes sit exposed on your house s roof where objects such as tree twigs tennis balls and even snow may fall down the pipes. If you live in a cold weather environment your sanitary waste system s roof vent line probably freezes in the winter.

Snow buildup in your vent pipes can lead to sewer gases inside your house. Typically the short smaller diameter vent pipes less than 4 inches can freeze shut. The outlet on the roof has still frozen twice this winter. These three are the most common.

If this happens pour warm water down the roof s sewer vent stack. Increase the size of the vent pipe 30 freezing occurs 1 per 12 hours. If enough snow falls in your area during a short period of time the pipes may become clogged with the snow which may freeze in the vent pipe. Try to have the vent pipe come out on the sunny side.

The plumbing vent also known as a vent stack helps regulate the air pressure in your plumbing system. Causes of blocked sewer vents and their solutions. I installed insulation wrap on the sewer vent pipe in the attic but it didn t help much. The pipe through the attic is 3 and the roof vent pipe is 4 so the outlet of the sewer vent pipe on the roof has a metal cap which reduces the opening down to about 2.

Paint the vent pipe black so it absorbs a little heat from the sun. The diameter of the vent pipe varies from 1 1 2 to 6 inches.