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Posted by Violetscales (U10739184) on Thursday, 29th July 2010
I have been given a greenhouse frame (no glazing) for use on my allotment. For safety reasons I do not want to use glass to reglaze. Has anyone else had this problem and how did you solve it? Any suggestions would be very welcome.
Hi, I would suggest polycarbonate sheets to glaze your greenhouse. I replaced a glass one which was damaged by high winds, the polycarbonate one has stood up to everything the weather has thrown at it. You have to make sure the frame is well anchored as poly is much lighter than glass.
I agree, polycarbonate is the way to go. I'm in the foothills of the Canadian Rocky Mountains and get heavy snow falls and severe hail storms. My poly greenhouse is 5 years old and has never suffered any damage.
We had a wild hail storm last week. The university reported that 10% of the glass panes on their greenhouse were shattered. Not a scratch on my poly.
Hi
poly is not going to shatter in a storm but it depends on what your going to grow as glass lets more light through and keeps the heat in better than poly,
But having said this you can grow a lot of good plants from poly.
Ive glass myself but if i was to suffer wind damage and taking into the replacing cost of glass? Then i'd really have to try the poly method.
Thanks for your help. It will have to be polycarbonate sheets I think. Fancy having a reply all the way from Canada.
We made a small lean to greenhouse last year & went though all the glazing options.
I went for glass in the end (even toughened as it was small so the cost not too ridiculous).
Partly due to the extra light transmission as ours only receives sun for half the day, but mainly because I was told polycarb usually needs replacing after not much more than 5 or so years as it gradually gets more & more opaque.
So in our case I'm hoping that the toughened glass will pay for itself in the long run. If it's a large greenhouse cost may make it impossible though.
I'd definitely phone around for prices though, the glass & polycarb varied quite a lot between sellers.
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