You mean screws and washers?yes the run is drilled together,
Not seeing any.
How big are the holes of the mesh?
They look like 1"?
Pics of that?There’s quite a large amount of ventilation at the back of the coop
Did you add more ventilation to the prefab design?
Oh, and... Welcome to BYC! @georgias3chickens
Is your name Georgia or is that where you live?
Where in this world are you located?
Climate, and time of year, is almost always a factor.
Please add your general geographical location to your profile.
It's easy to do, and then it's always there!