Roof Vents For Deep Snow

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Roof vents for deep snow. I ve seen claims that ridge vents will be kept clear of snow by warm air flowing out of the attic but we are air sealing the attic closed cell foam r14 with r46 blown fiberglass insulation on top of the foam r60 total so i expect the attic will be within 10 15 degrees of outdoor temperature. They dared to go against accepted style and stood the vent high above the snow in the form of a cupola. This slant back roof vent is one of the best built and most reliable on the market. Where there s deep snow cover however most conventional exit vents will become snow covered and stop venting and in high wind conditions some roof vents may also leak snow into the roof space inviting a moisture and mold problem later on.

Most importantly they built a baffle into the louver system that keeps blowing snow out of the vent. 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. They first build quality roof top vents to replace the snow buried button vents that were so common. Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic.

What are the best roof vents for deep snow country. They did two things that keep them ahead of all the competition. Like any ridge venting system baffled vents should be used in combination with continuous soffit vents. The following are some of the best roof vents available in the market and you should consider them.

The lrv50 louvered roof vent is a great heavy duty vent for use on pitched roofs. Heng s 71111 c1g1 standard mount universal vent white. This vent is an affordable alternative that will provide you with good service and not burn a hole in your pocket. It features 50 square inches of net free area louvers on three sides slant back and a low silhouette.