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runaway polytunnel :(


 
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slowcompost
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PostPosted: Fri Jan 29, 2010 6:15 pm    Post subject: runaway polytunnel :( Reply with quote

I bought the 4.5m by 2m by 2m i put it up the plastic was great and completely untearable but one night it blew over and the thin weak alliminiumm frame bent and broke... i plan on getting this fixed but dont know how to weigh it down properly.. i was thinking of putting industrial fish netting over it and weigh it down with whatever i have.. its a good product and cheap what do you thing i should do
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MacFistycuffs
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PostPosted: Fri Jan 29, 2010 6:44 pm    Post subject: Reply with quote

Did you bury the edges of the polythene when you first erected it? That would be most common way of keeping a polytunnel stable.
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slowcompost
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PostPosted: Fri Jan 29, 2010 8:38 pm    Post subject: Reply with quote

yea but it just slipped under the soil and blew away
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ian
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PostPosted: Mon Feb 01, 2010 7:20 pm    Post subject: runnaway poly tunnel Reply with quote

hi there,
the lower cross bars could be anchored with 'U' shaped bars, longer the better and hammered in to the ground at least 2' deep one every 2 metres. the corners don't show if they are sitting on top of the ground or below or is the whole structure buried up to the depth of the cross bars? Corner struts with X shaped foot plates should be attaced and a couple more along the sides that should hold it well enough.

that was a great price £89 do they deliver to Ireland free as well?
what is the transparency like on the green plastic?

Regards,
Ian
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slowcompost
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PostPosted: Tue Feb 02, 2010 6:11 pm    Post subject: Reply with quote

hi ian thats a very good idea ill probably do that i bought mine on ebay and it ended up at about 100 euro only stumbled upon this site i know it the same polytunnel though
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ian
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PostPosted: Tue Feb 02, 2010 10:09 pm    Post subject: Reply with quote

was this a different site to the one you first posted? the green colour looks very dark what is the transparency like? and do they deliver free to ireland usually carriage ends up making these bargains not worth it, i was thinking building one using polycarbonate
regards, ian.
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slowcompost
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PostPosted: Wed Feb 03, 2010 4:58 pm    Post subject: Reply with quote

it was bad weather when i put it up but the light levels were pretty good. the clear plastic rips easily but can be replaced i think its a good product but its my first so ive nothing to compare against... p and p was not free on ebay so i dunno about warehouse24 Exclamation
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paul5000
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PostPosted: Wed Feb 03, 2010 7:09 pm    Post subject: Reply with quote

If Your looking for a decent tunnel, check out poly dome.IE. Here is a pic of my tunnel, its 18ft x 30ft. Costs a few pound but the frame will last a lifetime and plastic can be changed ever 5 to 10 years.


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galwaybeginner
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PostPosted: Wed Feb 17, 2010 11:24 am    Post subject: Reply with quote

For anchoring, if the tunnel posts do not come long enough you can extend them so they go into the ground farthur. To do this you can get some aluminium pars slightly wider than the ones on it, drill holes in both and run a nut & bolt across the two (wider new bar wraps around inner current bar). Then you can add an anchor plate to that and bury, or else you can drill some holes in the extended bit and have a number of nails, bolts or even a tangle of wire hangers go through those, and enbed the lot in cement. Same basic idea for how steel reinforces foundations.

Just be sure to cover any sharp edges so they do not tear the plastic.
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mrsbongo
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PostPosted: Sun Feb 28, 2010 3:39 pm    Post subject: Reply with quote

ian wrote:
do they deliver free to ireland usually carriage ends up making these bargains not worth it, i was thinking building one using polycarbonate
regards, ian.


Hi Ian
I considered building a polycarbonate greenhouse but after pricing the polycarb sheets I've thought again. The sheets for a 6x8 house are going to be around 300 euro, plus cost of wood etc.
I get a magazine every week that has a regular advert for Norfolk Greenhouses. They have a polycarb greenhouse just shy of 6x8 that is £229 plus £40 delivery to Ireland. With the exchange rate still good I'm going for that option. Should work out to between 300-320euro depending on the exchange rate when I order it.

Moira
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ian
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PostPosted: Sun Feb 28, 2010 10:21 pm    Post subject: Poly carbonate Polytunnel Reply with quote

Thanks Moira,
http://www.norfolk-greenhouses.co.uk/index.php
looks like a runner alright save a lot of time too planning to build one.
regards ian.
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