Best type of polytunnel covering
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blownin Rank attained: Hazel Tree

Joined: 23 Feb 2009 Posts: 47 Location: north clare
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Posted: Wed Nov 25, 2009 12:16 pm Post subject: Best type of polytunnel covering |
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I will be building a large polytunnel shortly if it would stop raining , about 30-40 foot long by 15 wide I live in a very exposed site with very high winds and rain, it will be held down well, posts concreted in to the ground and the ends of the plastic sheeting burried in a deep thench. Which grade of plastic should i order and would netting over it be helpfull or wear it out quicker ?? |
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galwaybeginner Rank attained: Ash Tree

Joined: 05 Mar 2009 Posts: 236 Location: Galway, Ireland
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Posted: Wed Nov 25, 2009 9:18 pm Post subject: |
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If the netting is not tight it can wear the plastic.
Once the plastic is tight there should be no problem with wind. Mine is in a virtual gale path and has help in there for the last couple of weeks of strong winds. |
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michael brenock Rank attained: Chlorophyll for blood
Joined: 12 Aug 2008 Posts: 1275 Location: cork
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Posted: Wed Nov 25, 2009 10:07 pm Post subject: |
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best get advise from colm warren plastic tunnels co meath. There are many grades of polythene consult the experts colm warren at deirdrewarren @cwp.ie
michael brenock horticultural advisor (retired) |
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paul5000 Rank attained: Hawthorn Tree


Joined: 18 Jan 2010 Posts: 94 Location: Westmeath/Longford Border
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Posted: Tue Jan 19, 2010 10:35 pm Post subject: |
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I use 1800 micron or 720 gauge which is fairly standard when ordering from poly tunnel supplier. It has stood up to some nasty wind. |
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galwaybeginner Rank attained: Ash Tree

Joined: 05 Mar 2009 Posts: 236 Location: Galway, Ireland
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Posted: Fri Apr 16, 2010 7:08 am Post subject: |
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I've 720 gauge (180 micron) UVI/EVA cover, and very happy with it. I went for clear, which lets the liht right in without dispersion. If you plan to grow plants which do not like direct sunlight then go for the anti-fog or 'white' which disperses the light, but also reduces it a bit. |
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