Snow And Roof Vents

Installing a roof ventilation system can help you in the following ways.

Snow and roof vents.

Your roof will become much more durable once it is vented. Because it s nice that you have a big wide open vent that s letting all that warm moist air out in the summer and the damp air in the winter but it s going to blow let some snow get in. Heavy winter storms lead to snow and ice accumulation which may affect your roof ventilation s ability to allow free flowing air to move through the attic. Ventilation is code btw so lose that roofer if you re really a gc.

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. It may be necessary to clear your roof vents after heavy winter precipitation. Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic. 1500 300 5 times 144 720 2 360sq inches of exhaust and at least the same amount of intake.

Melted snow in this case is caused by heat loss from the conditioned space. Homeowners can choose from a variety of. Ice buildup also weighs on the roof structure which is dangerous when it becomes heavy. As a result the whole roof system will be prone to damage.

Ice damming can often make the roofing materials weak and ineffective. In cold climates the primary purpose of attic or roof ventilatin is to maintain a cold roof tempeature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic. It looks like the amount of exhaust is up to code for 1500 sf attic space. So if you were to replace that with a filter vent i think that that would solve the problem.

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. Static vents often protrude from roofline thanks to special covers intended to keep all precipitation rain sleet hail and snow from entering the attic.