What material would I want to use to build the walls, and ceiling of for a 4 season greenhouse around the 45N,93W (4a)?

  • 2
    I assume 45N is a latitude. What would help is the temperature range, what you intend to grow, how large a greenhouse, access to water, what surface do you intend? earth, paving slabs, poured concrete? Without this information I think this question will be closed as "Too broad"
    – kevinskio
    Commented Mar 22, 2016 at 9:48
  • 1
    Relatively cheap, ultraviolet stabilized plastic greenhouse film. Relatively permanent, double-wall polycarbonate panels. Standard polyethylene only lasts a season so don't bother. Commented Mar 22, 2016 at 15:41
  • I'm thinking about using natural sunlight to reduce the requirements for the amount of power needed to have the plants grow cheaper for INDUSTRIAL!!!!!!! aquaponic growing of many different types of plants year round. Commented Mar 22, 2016 at 21:32
  • 1
    If you're investing heavily in infrastructure, you don't want to rely on natural lighting, but use grow lights instead so that you can grow all year round. Commented Mar 23, 2016 at 7:06
  • @kevinsky is right. We need most of the details he mentions. 45 degrees North latitude could mean anything from the Rocky Mountains in Montana to somewhere in Central France. Both the same latitude, but your growing conditions vary extremely.
    – GardenerJ
    Commented Mar 23, 2016 at 15:11


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