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Lean-to glasshouse inquiry

I am planning on purchasing a lean-to glasshouse. It is a very exposed site beside a lake, subjected to strong winds. What type of glass would you recommend? Is there a strength difference between safety & horticultural glass? Wade2623, Galway, Co Galway Posted: 10/12/2015

In a very exposed spot, the structure needs to be very strong and, ideally, o galvanised steel. 

Horticultural glass is lightly lighter than ordinary glass, as it is cheaper.

Safety glass is toughened.

Polycarbonate is strong plastic and does not shatter. 

Check out the greenhouse feature in The Irish Garden magazine,  January/February issue! 


greenhouse location

Hi I have north facing garden, where is best location for greenhouse, bottom right hand side 1/2 of garden gets most of light during the day (from back door) Bloom9, , Co Dublin Posted: 03/09/2009


A greenhoouse always needs to be in good sunshine, if you want best results. If you plan to grow greenhouse ferns or other shade lovers, you could place it in a more shady spot.

Location is often dictated by where it fits best, or looks best.



When putting up a polytunnel it says put it up east to west , does this mean the ends with the doors should be east west or the long sides ? dublchiee, killucan, Co Westmeath Posted: 03/09/2009


Running the ridge of a greenhouse east-west offers the long side of the house to the sun and this generates more heat. However, if tall plants are put on the sunny side, they may shade others. But then again this might be a good thing. Running the ridge north south allows even light in both sides.

These considerations are not critical and usually a greenhouse is placed whenever convenient.

More on this: http://www.garden.ie/howtogrow.aspx?id=362



Prevent polytunnel from blowing away?

I would like to invest in a polytunnel but am a bit worried that it might blow away (as happened to our trampoline along with its protective net, a few years ago). How can I minimise the chance of the polytunnel blowing away? What is the recommended orientation of a polytunnel, North-South, East-West ? I believe that our prevailing winds are from the South West. Thanks in advance for any advice you can pass on. Pippa, Manister, Co Limerick Posted: 04/03/2009


 A polythene tunnel will not blow away, if properly erected. They can withstand a lot of exposure, but it is important to get a supplier who knows his stuff. The worst that usually happens is the cover might split.

There is more background information at: http://www.garden.ie/howtogrow.aspx?id=362




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