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Thread: I'm going to build a greenhouse!!

  1. #17

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    hte only problem with this kind of greenhouse is it doesn't keep heat in at all. with plastic for a cover you'll just be heating the great outdoors in the winter [img]http://www.**********.com/iB_html312/non-cgi/emoticons/rock.gif[/img] [img]http://www.**********.com/iB_html312/non-cgi/emoticons/wow.gif[/img]

  2. #18

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    Quote Originally Posted by [b
    Quote[/b] ]PVC will become brittle do to UV exposure from the sun requiring replacement. I don't know how long it takes. I think you can buy PVC with UV inhibitors as well.
    Hello. I'm planning on painting the PVC with an outdoors UV inhibiting paint to protect it. I'm hoping this will give it a much longer life.

    Quote Originally Posted by [b
    Quote[/b] ]Why not use conduit for your hoops? The won't ever need replacement and will carry a heavy snow load. The only thing you will have to replace every few years will be the Plastic Film.
    The reason I didnít want to use conduit is because I would have to bend it into the hoop shape. I think it would be pretty hard to get it bent right too. Since PVC flexes I think it'll be much easier to bend into the correct shape.

    Thanks everyone,

    -buckeye

  3. #19
    Tony Paroubek's Avatar
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    They do make PVC that is uvstable but you have to buy it from electrical companies. It's grey color and suited for above ground use fully exposed to sunlight.. if you really wanted to use it. I think you will be fine though because the pvc will be fairly well protected by the greenhouse film from uv light.

    One of the many aspects you will need to determine: What you are growing and what temperature range to maintain. The poly should be two layers thick and inflated between the layers with a small blower if you plan on maintaining a 'tropical' temperature range through the Winter.

    I am curious how you would attach the greenhouse film to the PVC.. inflating it would require a good seal around the edges.

    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

  4. #20
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Quote Originally Posted by [b
    Quote[/b] (Spectabilis73 @ Mar. 18 2004,00:43)]hte only problem with this kind of greenhouse is it doesn't keep heat in at all. with plastic for a cover you'll just be heating the great outdoors in the winter [img]http://www.**********.com/iB_html312/non-cgi/emoticons/rock.gif[/img] [img]http://www.**********.com/iB_html312/non-cgi/emoticons/wow.gif[/img]
    Not true Spec,

    Greenhouse films are specifically designed to hold in the heat as much as possible. Sure, you loose alot of heat through the plastic but with the use of a inflator and a higher R factor for the film, you can have a very successful heat efficent greenhouse.

  5. #21

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    I built one like that about 8 years ago. The only differance was that I had cross piles installed midway to the top. It worked fairly well just make sure you really secure it to the ground. I added more in ground posts. Mine only lasted about 2 years as I used plastic for the cover and in the Florida sun it didn't last. and I got tired of replacing it. Shade cloth would have been the way to go.

    Good Luck

  6. #22

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    Quote Originally Posted by [b
    Quote[/b] ]Mine only lasted about 2 years as I used plastic for the cover and in the Florida sun it didn't last. and I got tired of replacing it.
    Hi. Did you use greenhouse plastic sheeting or did you use the type of plastic that's used for dropcloth and stuff?? Thanks,


    -buckeye

  7. #23

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    When do you plan on having it done?
    Join the CCPS, you wont regret it: http://s4.invisionfree.com/CCPS

  8. #24

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    Quote Originally Posted by [b
    Quote[/b] ]When do you plan on having it done?
    Hi. I was hoping to have it done by now but we've run into numerous weather related delays. First we got about 6" of snow. Then it warmed up but it also got windy. Then it rained and got cold again. Today was cold but sunny so we were able to get the bows up. Tomorrow we're hoping to get the end frames up. Since itís suppose to be windy tomorrow I don't think we'll be able to put the plastic up. Maybe on Weds. we'll get the plastic on and finish it up. Here's a pic of it so far:
    [img]http://home.**********.com/buckeye/images/100_0477web.jpg[/img]

    As you can see I live on a farm. That fence in the background is for our sheep. That building on the left is a little shed that I store my CP stuff in during the growing season.


    -buckeye

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