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Post new topic   Reply to topic    Irish Gardeners Forum Home -> Irelands Garden tools / equipment. (mowers, glasshouses & polytunnels etc).

DIY Polytunnel


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brennan.jm
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PostPosted: Fri Feb 26, 2010 9:57 am    Post subject: Reply with quote

I was thinking if your width had been 15ft would the pipe still be strong enough in the middle. I was thinking it might need something down the centre with a support on either end as well. I need to be carefull not to block light as it would defeat the purpose.
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brennan.jm
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PostPosted: Fri Feb 26, 2010 9:57 am    Post subject: Reply with quote

I think if the pipe can be kept as one continous line it should keep a good strength for a wider distance.
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Arthur Two Sheds Jackson
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PostPosted: Sun Apr 11, 2010 1:15 pm    Post subject: Reply with quote

excellent looking tunnel - how has it faired since you built it - I may do likewise
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johnlawrence
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PostPosted: Wed Feb 02, 2011 8:20 am    Post subject: Reply with quote

Shay,

Can you tel;l me where you bought the pvp pipes and plastic covering ? internet or local hardware shop ?
Thanks
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jameswburke
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PostPosted: Tue Feb 22, 2011 2:40 pm    Post subject: Reply with quote

johnlawrence wrote:
Shay,

Can you tel;l me where you bought the pvp pipes and plastic covering ? internet or local hardware shop ?
Thanks



JM Polytunnels in Carlow can sell you the steel brackets which screw into heavy timbers so you don't have to hammer in scaff poles.
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3759allen
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PostPosted: Mon Feb 18, 2013 6:33 pm    Post subject: Re: DIY Polytunnel Reply with quote

pjdub22 wrote:
Hi jm, I'm in the middle of constructing a similar polytunnel. Mine is 11ft wide 20 ft long and the length of pipe I used is 19ft. Distance between hoops is 5 ft. I've taken a different approach in that my pipe is pushed into the steel pipe as opposed to around it. Time and storms will tell if it's up to the job. I'm at the stage of putting in the wooden supports and gable ends and was looking for info on best size of wood to use. Looks like Shay is using 2x2 or less. I've discovered an Irish supplier of polytunnel plastic also www.polydome.ie. I have not used them yet so can't go as far as to make a recommendation.



hi, i'm also thinking of making my own poly tunnel using similar techniques. i am thinking of using smaller 32mm poly pipe inside scaffold tube. it will be in a fairly sheltered part of the garden from the wind, i'm just wondering if you think this smaller pipe will be strong enough? and if you think i should reduce the spacing between the hoops to gain strength?

any help and opinions very much appreciated.

thanks.
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