Snow Blocking Roof Vents

Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic.

Snow blocking roof vents.

Residential and commercial customers will benefit from safer roofs less customer complaints of falling snow and ice less damage to roof vents and overall peace of mind during the winter months. If you have an almost airtight ceiling there isn t much need for ventilation. 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. Wind baffles are effective at directing wind blown snow up and over ridge vents.

When the attic becomes too warm due to closed vents snow and ice on the roof readily melts. For more information on this issue see all about attic venting. Polycarbonate snow guards can also be referred to as. Blocked vents could cause carbon monoxide to build up in your home and cause carbon monoxide poisoning.

During the winter months it s important to keep your furnace vents intake valves and chimneys free of snow. Snow ingestion can become a problem at roof ventilation openings. A blocked vent also can affect the performance of the furnace which may not run properly or at all when the intake or exhaust vent is blocked. In general you are correct.

This causes free flowing water to run between shingles and down to the gutters. Snow buildup in your vent pipes can lead to sewer gases inside your house. 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. The point i was trying to make is that one possible solution to the problem of snow entry through gable vents is to simple block off the vent completely.

Don t get blindsided by carbon monoxide poisoning in your home. And it s a good quality ridge vent but it has the added addition of a filter material that is in the baffle part of it in the porous part of it so that that stops the snow from doing exactly what it s doing in your case which is blowing in. So there s a type of vent that s called a filter vent and it s made by certainteed. Invented by a roofer to defeat the harsh canadian winters this csa approved static box vent has been independently tested to block 99 99 of snow and rain even in severe storm conditions.