Snow Resistant Roof Vents

Slits in the product allow for air to flow into the attic.

Snow resistant roof vents.

These patented attic vents feature an interior stainless steel diffuser that breaks down wind driven rain and snow before it can enter the attic. 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. A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them. 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.

In considering ridge vents you may be wondering why having a ridge vent that is weather resistant is so important. Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams. Homeowner had enough snow through one of the vents to cause considerable water damage to the storey below last spring. O hagin fire ice attic vents.

Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic. Snow coming through roof vents hi i m looking for suggestions to the possible cause of snow entering the attic through at least five of the seven roof vents on the home pictured in attachments.