Looks perfect for bantams.My hubby is an electrician, but a carpenter on the side. He did it all himself. I helped very little but he took all of my ideas, concerns, and wishes, and made them. The building is 12'x20' Amish shed.
Here's it framed on the inside for the four mini-coops inside.
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Here's the inside of one.
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Doors are 90lb magnet on the inside, and a pair of 90lb magnet on the outside.