I *thought* I'd talked to you about that before. But I figured it didn't hurt to repeat just in case. :)
Chickens *can* fly over the netting -- btw, I use the 48" Poultrynet Plus from Premier 1 -- but mostly they don't.
As a general rule, chickens prefer to fly up onto something solid then...
I'm pretty sure I've given this information to you before, but just to make sure because I lose track of who has asked what questions before. :)
https://www.backyardchickens.com/articles/repecka-illustrates-coop-ventilation.77659/...
I'm not a fan of A-Frames, because you lose the usefulness of the narrow space at the top and the low spaces on the sides of the bottom, but that looks like it should be well-ventilated and have the vents well-sheltered.
What do you mean by wire floor? Wire on the ground as an anti-dig measure...
12 hens
48 square feet in the coop. 6'x8' is more practical than 4'x12' since a long, skinny coop like that would be difficult to work inside.
12 feet of roost
120 square feet in the run. 10'x12' or 8'x15' -- 8'x16' means fewer odd cuts than either of those. 6'x20' is possible, especially if...
How many chickens are you planning on?
The Usual Guidelines
For each adult, standard-sized hen you need:
4 square feet in the coop (.37 square meters)
10 square feet in the run (.93 square meters),
1 linear foot of roost (.3 meters),
1/4 of a nest box,
And 1 square foot (.09 square meters) of...
Score!
Welcome to BYC. :frowfrom the NC Sandhills.
I'm not familiar with those sheds, but this article might be of some help to you: https://www.backyardchickens.com/articles/the-scoop-on-a-rubbermaid-big-max-coop.76444/
Are there any structural supports for the panels or do they lock...