What kind of plastic sheeting should I use on a greenhouse ?
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I want a greenhouse made from arching 1” or so, pvc pipes. Several arches lined up form a half cylinder as long as you want, with doors on each end.
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You're going to want at least 4 mil plastic, I think.
See if you don't find this helpful: https://www.bae.ncsu.edu/programs/extension/publicat/postharv/green/small_greenhouse.pdf
I used 6 ml, uv protected and it lasted more than 5 years. I didn't use the pvc method, but cattle panels, so wonder if it lasted longer due to the extra support. You may want to reinforce the top of your hoops with some vinyl coated fencing to help resist sagging and tears.
You may wish to get a catalog from FARM TEK @ 1-800-327-6835. This is one of the companies we deal with.
YouTube has lots of videos how to make these... https://www.youtube.com/results?search_query=how+to+make+greenhouse+from+pvc+pipe+
love farm teck it's 20 min from me. They have an on line catalog. They also have a bargain bin area. They have 2 names operating from the same ware house. Farmtek and growers supply.
for thier repeat coustomers they are willing to wheel and deal
ya... I am one of those...