Bob Jr

02:21AM | 03/09/03
Member Since: 01/19/03
44 lifetime posts
I am getting ready to build a house. I had a house with a ridge vent and loved it. The vent kept the attic much cooler in the summer.

After reading the previous posts about snow getting in I am not sure. Although I do believe that if snow can get in a ridge vent then it can get in a regular vent cap.

My builder has never used them and said he won't guarantee against water or snow damage.

What do you recommend? I hate the sight of all the vent caps along the side of a roof. Is snow really a problem, aside from the once every 3 year snow storm like that which hit the country a few weeks ago.

And are there better types than others to consider? I can't remember exactly what was in my previous house. Some have clear openings that I could see driving rain and snow getting in, but others are like a coarse 3M scrubbing pad that block bugs and possibly snow.

What is preferred?


04:28AM | 03/12/03
Member Since: 01/21/03
66 lifetime posts
Hi Bob,

You are right, ridge vents are great - as long as you take the necessary precautions. I would personally never put a ridge vent on a slope less than 6:12 in our area as we have sizable accumulations of snow over the winter, and there is a danger that the snow will end up causing two problems: a) covering the vents and blocking the airflow, and/or b) having the warm air from the vent melting the accumulated snow and allowing it to come in (a mini-ice dam forms arount the top of the vent). However, if the slope is sufficient, and the design of the ridge vent is good, then they are excellent ventilation solutions. I had stacks on my house, and while they worked fine, they were ugly, so when we redid the roof I replaced them with ridge vents - much better appearance. In my situation my roof slope is 8/12 and 10/12 and the roof surface is aluminum, so there is never any snow close to the ridge vent.

If your contractor has no experience with ridge vents, find someone locally who does. Sometimes, just driving around in your neighbourhood and finding a house that has the vents will give you (from the homeowner) the name of the person or company that does that type of work.

There are several manufacturers of ridge vents who have excellent web sites. If you can't find them on your own, let us know and I'll post the relevant links.

Regards, Paul

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