Snow blowing in through roof vents


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Old 01-10-07, 09:47 AM
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Snow blowing in through roof vents

We got a new roof 2 years ago and for the first time snow had blown in the roof vents and made a nice little pile that melted into water under each vent. One was right above the attic door so there was water staining. The damage was minimal but I'd like to stop this from happening again. The other 2 vents dripped on the insulation and never soaked through. I put my daughter's snow sleds under each vent to collect the snow during the storm when I discovered the snow piles. Anyway, these rooftop vents are square and metal and look to be about 8" square and stick up about 4". I don't want to block the vents as the attic needs the air circulation. On the other hand, I have a gable vent on each end and large (18" x 6') soffit vents on both sides of the roof so the 3 rooftop vents could be covered I guess. Prior to the new roof, I went 14 years with no roof vents with no condensation problems as the soffit and gable vents seemed sufficient. Granted this was a freak blizzard and the wind was blowing fine snow dust with 50-60 mph gusts. Typically the snow covers the vents and there's no wind or leaking issues. I thought about setting some kind of sleeve over the roof vents until spring...

Any thoughts? Thanks.
 
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Old 01-10-07, 10:01 AM
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Wink

Like you said it dont happen that much Might hang old plastic buckets under each one for now.
 
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Old 01-11-07, 08:15 AM
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Thanks Ed. I guess some cheap 5 gallon buckets mounted close to the vent openings would work fine. Thanks!
 
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Old 11-16-14, 08:44 AM
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Name:  galleryContent911792441.jpg
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Size:  28.1 KB In a windy location such as Wisconsin near lake Michigan the fine snow that rests on the roof can get whipped up and blow about like a mini blizzard. This snow can blow into the vents and settle I solved this issue very easily and quickly. as you can see in the pictures the vent is constructed correctly with screen and mesh but this fine snow can still make it's way into your attic. The product below is a big upgrade on the cheap fiberglass filters that some have suggested and still maintains air circulation that is important.
I purchased the product you see in the second picture at home depot for about $8 it's a 24 in. x 36 in. x 1 in. Cut-To-Fit made by Natural Aire. You can cut this material with heavy shears or a razor knife to create any size. It is springy, almost rigid and needs no frame for support. Just cut a bit larger that the framed opening and push it in to install. Took me less than 5 minutes.
 
 

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