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How to Manage Structures in Extremely Windy Locations
One of the things which frequently comes up in the conversation with new customers is that they are in a very windy location. This is important to take into consideration when making suggestions for a building.
Occasionally we are faced with an intensely windy location. The question becomes, “Can I build a greenhouse in such a spot?” The short answer is “yes”. There are five potential suggestions which we make to improve the building so it is better able to withstand regularly brutal winds.
-Go with a lower profile shape since it catches less wind. Normally we recommend high profile since it sheds snow better but in super windy locations, snow is not an issue.
-Go with narrower hoop spacing. Going from 4’ to 3’ spacing increases the strength by 33%. Sometimes it is even worth going to 2’ spacing.
-Put in more anchors. There simply is no such thing as too many anchors! In super windy locations it is worth doubling up on the anchors. It is also important to double up on the fastener between the base beam and the anchor.
-Install cross ties. Cross ties tie the left and right sides of the building together. This means that when there is added pressure on one side, the other side is assisting by holding things back.
-Go with a double plastic cover with air between. It is amazing how the cushion of air acts like a shock absorber and stiffens the building.
Depending on the severity of your situation, adding a few of these to your building may help achieve the peace of mind you are looking for. We have had situations where a customer has added all five suggestions and been extremely grateful for the rigidity which has been gained.
As much as you, we want this building to serve your needs for many years with peace of mind.