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Thread: joining greenhouses

  1. #17
    nickdub is online now Early Fruiter
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    Quote Originally Posted by MyWifesBrassicas View Post
    It did show an invalid attachment message.
    I think the porch area could be a bridging gap between the two greenhouses in close proximity, say 5-6 ft or so and I can attach a few polycarbonate sheets over the top and back.
    Alternatively, I could utilise the third green house for a T-shaped somehow or just make the porch T-piece and have each greenhouse on either side ??
    how windy a site is it ? - plastic sheets of all sorts are brilliant but they do act like kites - I built some footings for a large poly-tunnel 2 years - a small wall - the site slopes - but before i put up the frame I knocked some 4' lengths of scrap aluminum angle I had into the ground and drilled and bolted trough into the wall than added some metal banding to tie the galvanized tunnel frame down with - it blows a hoouly up here on the hill some nights -I've got too old to be chasing stuff around the fields.

  2. #18
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    Quote Originally Posted by nickdub View Post
    how windy a site is it ? - plastic sheets of all sorts are brilliant but they do act like kites - I built some footings for a large poly-tunnel 2 years - a small wall - the site slopes - but before i put up the frame I knocked some 4' lengths of scrap aluminum angle I had into the ground and drilled and bolted trough into the wall than added some metal banding to tie the galvanized tunnel frame down with - it blows a hoouly up here on the hill some nights -I've got too old to be chasing stuff around the fields.
    It can get fairly windy but my allotment is surrounded on all sides by housing, no hills unfortunately bit of an urban concrete jungle
    I have some 10ft aluminum poles and 8ft 3x3' treated timber i could use to assist securing the poly sheets. It doesn't have to be watertight, just somewhere to shelter or rest for a bit, have a cuppa and maybe a bit of storage.
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  3. #19
    nickdub is online now Early Fruiter
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    Be me I'd look at use the aluminum bars as cross pieces perhaps to go from one side to another - the other thing which is cheap is roofing batten from the builders' merchants comes in 4m lengths from memory - easy enough to bring back on the top of a car if you want to fetch it - I stick some ranch paint on it use it 'short width up' for roofing with polycarb sheets, as you just drill down through the sheets from above - get a long screw with a metal then rubber washer (tap ones will do) and using a cordless drill just whop it in - not too tight adjust the clutch up to weak

    If you go down this route check the "mushroom fixing" guidelines on a Polycarb sheet manufacturer's website for details on gaps - got to allow for thermal expansion and contraction as it moves a lot more than glass does when its warmed by the sum.
    Last edited by nickdub; 20-11-2019 at 01:27 PM.

  4. #20
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    Quote Originally Posted by nickdub View Post
    Be me I'd look at use the aluminum bars as cross pieces perhaps to go from one side to another - the other thing which is cheap is roofing batten from the builders' merchants comes in 4m lengths from memory - easy enough to bring back on the top of a car if you want to fetch it - I stick some ranch paint on it use it 'short width up' for roofing with polycarb sheets, as you just drill down through the sheets from above - get a long screw with a metal then rubber washer (tap ones will do) and using a cordless drill just whop it in - not too tight adjust the clutch up to weak

    If you go down this route check the "mushroom fixing" guidelines on a Polycarb sheet manufacturer's website for details on gaps - got to allow for thermal expansion and contraction as it moves a lot more than glass does when its warmed by the sum.
    Wonderful.
    Food for thought, thank you very much.
    Can the Man likes this.

  5. #21
    nickdub is online now Early Fruiter
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    Quote Originally Posted by MyWifesBrassicas View Post
    Wonderful.
    Food for thought, thank you very much.

    no worries - you would not believe how many wrong ways I've tried when doing "make do and mend " building to hit on methods which are both simple and durable

    BTW for anyone-else in a similar state of trying to produce a 1000 building for 75 plus some hard work always have a trawl around old stuff on Ebay or wherever a - an extra greenhouse with most of the glass gone can be had for 20 and give enough spare aluminum stock to help fix up another 2 - or sometimes people sell off old conservatories when they are having a new one put in - if you get one with polcarb sheets that are being disposed of, then the world's your lobster, in terms of what you can re-use it for when self building.

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