Snow And Roof Vents

Ventilation is code btw so lose that roofer if you re really a gc.

Snow and roof vents.

Proper ventilation will prevent this from happening. Snow coming through roof vents. Installing a roof ventilation system can help you in the following ways. Static vents often protrude from roofline thanks to special covers intended to keep all precipitation rain sleet hail and snow from entering the attic.

Ice buildup also weighs on the roof structure which is dangerous when it becomes heavy. Melted snow in this case is caused by heat loss from the conditioned space. 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. 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.

1500 300 5 times 144 720 2 360sq inches of exhaust and at least the same amount of intake. Ice damming can often make the roofing materials weak and ineffective. 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.

It looks like the amount of exhaust is up to code for 1500 sf attic space. 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. Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic.

It may be necessary to clear your roof vents after heavy winter precipitation. Your roof will become much more durable once it is vented.