There is a Vent area in the back part of the coop. No issues last Winter so not expecting any this year.
T-Day 2018
Just updating pics of the covered run with the Carport cover.
From upstairs window, this is the North side- you can also see I covered the Koi Pond with Wood. There is a water heater in there that is auto thermostat and the wood helps it not lose heat so uses less Electricity. Run is a 10'x20' carport frame I had and a new cover.
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Here is the East side, you can see I did put the end cover on but left the top part open for ventilation. The white fence behind it is 10 Foot tall. I have some wood 'slats' inside to help with snow ... not that it will work well but hey...
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last pic is of the Coop and my 'door' to the run. Ventilation on this side. The plastic piece is just leaning on there. There is fencing behind it. This is the West side of the Coop and a 6' white fence behind the coop.
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FYI, if you do this, MAKE SURE IT IS HELD DOWN FOR WIND !!! Wind will take this thing 100 yard away if you do not secure it. You can see I have some Blocks on it. Those are 80# wall blocks. Inside are also some Blocks and Cinder blocks tied to it. There is also 2 Rebar stakes into the ground about 2 feet in 2 corners. I wanted 4 but there are some pipes underground I don't want to hit.
Also, if you ar thinking about this get the ROUNDED top one. You can see where mine is not taunt across the top. Although mine is not completely flat/level so that is an issue, but the Round ones are So much easier to get Snow off of.