Snow And Roof Vents

Snow coming through roof vents.

Snow and roof vents.

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. Ventilation is code btw so lose that roofer if you re really a gc. 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. So if you were to replace that with a filter vent i think that that would solve the problem.

Homeowners can choose from a variety of. 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. Melted snow in this case is caused by heat loss from the conditioned space. Installing a roof ventilation system can help you in the following ways.

It may be necessary to clear your roof vents after heavy winter precipitation. 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. Ice damming can often make the roofing materials weak and ineffective. Ice buildup also weighs on the roof structure which is dangerous when it becomes heavy.

Your roof will become much more durable once it is vented. Proper ventilation will prevent this from happening. As a result the whole roof system will be prone to damage. 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.

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. It looks like the amount of exhaust is up to code for 1500 sf attic space.