Roof Vent Blocked By Snow

Wind baffles are effective at directing wind blown snow up and over ridge vents 11.

Roof vent blocked by snow.

Hitting uneven roof temperatures caused by blocked vents leads to the refreezing that is troubling. I use the snow on the roof as an indicator of where heat is building up in the attic. An under sized plumbing vent less than 2 diameter or too short above the roof line can become blocked by frost in the vent line above the roof blocked by snow cover or have its gases blown down to a lower level by cold or varying air movement. What if snow on the roof clogs the vent pipe.

On occasion intakes at eaves may have to be baffled to block infiltrating snow. The plumbing vent pipes in your house perform two functions since the vent pipes go through the. If your plumbing vent pipes are clogged with snow or any other object the blockage may put your health. Snow ingestion can become a problem at roof ventilation openings.