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  1. #1
    Join Date
    Oct. 14, 2000
    Location
    Now In the Sandhills, NC mostly
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    6,752

    Default Ridge Vent vs. Cupola for ventilation?

    I am considering different options for ventilation on my 36x48 foot barn (in progress now). I'm curious to know if it's wise to have one versus the other, or both. We'll probably do the soffit vents for cool air intake, but Is it possible to have too much ventilation?



  2. #2
    Join Date
    Aug. 25, 2007
    Posts
    8,403

    Default

    Our barn (136' long) was built with a ventilated ridge cap. It turned out to be barely adequate and we installed a cupola about 10 years ago. Made a positive difference.

    G.



  3. #3
    Join Date
    Dec. 18, 2000
    Location
    Near the Itchetucknee.Ft.White Fl.
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    3,896

    Default but Is it possible to have too much ventilation?

    I think ventilation is extremely important,particularly for horses,the more the better.

    Good air flow = less respiratory problems.
    \"I have lived my life-it is nearly done-.I have played the game all round;But I freely admit that the best of my fun I owe it to Horse and Hound\".



  4. #4
    Join Date
    Nov. 6, 2002
    Location
    Henrico, NC 36 30'50.49" N 77 50'17.47" W
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    5,772

    Default

    I don't think it's possible to have too much ventilation in N.C. We have a three foot tall open clerestory covered by a 4' overhang. It's always pleasant inside the barn even on 100 degree days and we have so little snow that when a bit does blow in it's no big deal. I had originally planned to have drop down doors but have never seen the need to go to the trouble to make them.



  5. #5
    Join Date
    Oct. 14, 2000
    Location
    Now In the Sandhills, NC mostly
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    Default

    Thanks all!
    Tom, what does that look like, do you have pictures?



  6. #6
    Join Date
    May. 15, 2009
    Location
    Eastern Ontario, CND
    Posts
    2,191

    Default

    My votes is definetly for the cupola, they make a HUGE difference with ventilation.
    "For some people it's not enough to just be a horse's bum, you have to be sea biscuit's bum" -anon.
    Nes' Farm Blog ~ DesigNes.ca
    Need You Now Equine



  7. #7
    Join Date
    Nov. 6, 2002
    Location
    Henrico, NC 36 30'50.49" N 77 50'17.47" W
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    5,772

    Default

    I have pictures somewhere but I did a Google search which turned this up first. It's the space between the upper roof, typically over the aisleway, and the lower roof over the stalls. Ours is a taller opening than this with more overhang.

    http://www.fcpbuildings.com/?gclid=C...FQtN5QodqHub-A

    go to the "barn options" page and they have some interior pictures of the aisleway. The clerestory here is the open part right above the stall fronts. Ours works the same way only our barn is wooden and our opening is three feet tall with a four foot overhang protecting it. That opening looks to be about a foot with little overhang over it.



  8. #8
    Join Date
    Oct. 14, 2000
    Location
    Now In the Sandhills, NC mostly
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    6,752

    Default

    Gotcha! if thats not too much ventilation I think I'll be good to go with my ridge vent/cupola design.

    Now, where to *get* a cupola?

    is it easier to buy them online or find someone local to make one?



  9. #9
    Join Date
    Feb. 16, 2003
    Location
    MI USA
    Posts
    7,109

    Default

    If you are in a warm climate, you may want to move air more aggressively. This could be with a fan in the cupola. We have three ridge vents, which do a real nice job, along with a prevailing wind down the aisle.

    We get heat, but not like folks do further south. Our humidity is what gets bad, very high most summers.

    Our passive ridge venting moves a lot of air, summer and winter. We have no ammonia smells even when tightly closed in winter, because air keeps changing. Our barn is always cooler than outside with the air moving on even the hottest days. I don't care how cold my barn gets, cold air is good for horses. I just want a good air exchange in all seasons.

    My brother builds barns and has put up a number of cupolas that do a lot to move air for cooling. Cupolas he puts up are working both passively and actively with the fans running. Owners love them, really makes a great difference in air flow thru the barns and lofts.



  10. #10
    Join Date
    Jun. 24, 2005
    Location
    Lorena, Texas
    Posts
    4,105

    Default

    Good timing for this discussion - my husband and I are designing our new barn (which we'll build ourselves). We had discussed ridge vents and cupolas (I wanted a cupola). Mr. CGJ decided he wanted a raised roof over the center aisle (like Tom King described). Mr. CGJ was talking about making drop down doors to close it in for the winter, but I doubt we need that here.
    Visit us at Bluebonnet Equine Humane Society - www.bluebonnetequine.org

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  11. #11
    Join Date
    Nov. 6, 2002
    Location
    Henrico, NC 36 30'50.49" N 77 50'17.47" W
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    Default

    Our stalls have a 6in12 slope so they go from 8' to 14'. The 14' is on the aisleway. Above that is the 3' clerestory and with the support beam above that the aisleway has about an 18' ceiling height. The aisleway is 15' wide so I could use 16' boards for the ceiling joists and have enough on each side to fasten to the tops of the posts. Rafters are made from 2x8's and the 4' overhang on the rafters is tapered down from full width at the aisleway to 4 inches at the outer ends of the overhang so the fascia is not so wide but it leaves the 4' overhang plenty strong.

    I used a light colored Fabral metal-lightstone color- on the high roof over the aisleway and architectural shingles over the stalls so it wouldn't be so loud over the horses heads.

    I'd do it just like this if I had to do it all over again. I had originally planned to come back later and add drop down doors-that's one reason for more overhang than height to cover-but we haven't seen the need in 29 years.

    Everyone that comes in our barn is amazed at how pleasant it is when it's really hot out. Also, we've never had a sick horse.

    It's seen three fairly strong hurricanes and during Isabel horizontal water came in one side of the clerestory and went out the other. Everything got wet but not soaked. I'll probably plywood the windward side when we get another hurricane.



  12. #12
    Join Date
    Jan. 14, 2005
    Location
    Aiken SC / Fay NC
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    Default

    Hey Tom King!!! Would you happen to be willing to share some farm/barn pictures?
    FREE TACK/APPAREL ADS: BITS AND BARTER BOARD: http://bitsandbarter.proboards.com/i...ay&thread=5450



  13. #13
    Join Date
    Nov. 6, 2002
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    Henrico, NC 36 30'50.49" N 77 50'17.47" W
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    Default

    I found an old picture in a small jpg file size. My premium membership here has run out so I can't post pictures right now.

    send me an email and I'll send the picture right back to you
    tking@schoollink.net



  14. #14
    Join Date
    Apr. 28, 2009
    Posts
    2,108

    Default

    Quote Originally Posted by Tom King View Post
    I found an old picture in a small jpg file size. My premium membership here has run out so I can't post pictures right now.

    send me an email and I'll send the picture right back to you
    tking@schoollink.net
    just fyi you can always upload your pics to shutterfly or something similar and post the link



  15. #15
    Join Date
    Apr. 14, 2003
    Location
    Shenandoah Valley, VA
    Posts
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    Default

    I have 2 cupolas and a vented ridge/skylight as well as 2 shuttered vents on either side of the barn. I also left the soffits and about 4" under the rafters open. It turns out, I didn't need quite this much ventilation. I should have taken the hint from my farm name: Windy Spring Farm! We get plenty of ventilation. In the summer it is always cool and pleasant in the barn. In the winter it can get a little too breezy. But I'll take this over stuffy any day. The horses are happy and so am I.



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