Snow Resistant Roof Vents

O hagin fire ice attic vents.

Snow resistant 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. Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic. These patented attic vents feature an interior stainless steel diffuser that breaks down wind driven rain and snow before it can enter the attic. Melted snow in this case is caused by heat loss from the conditioned space.

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. O hagin weathermaster attic vents the best ventilation solution for tile shingle slate or shake roofs in areas where rain or snow may be a concern. Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams. In considering ridge vents you may be wondering why having a ridge vent that is weather resistant is so important.

Slits in the product allow for air to flow into the attic. Homeowner had enough snow through one of the vents to cause considerable water damage to the storey below last spring.