Wait, with deep bedding, you only have to clean it out once a year! Won't they be walking around in poop all the time?
It depends on how deep you let it get, and how many chickens you have in how much space.
They scratch it around and the poop gets mixed in.
And you toss in more bedding whenever you think it's needed, or just when it's convenient.
So yes, it can sometimes go a year or more, but not everyone does it that way. It's one of those things that different people do in different ways.
If it smells bad, you need to either get the poop mixed in (toss some scratch grains to encourage the chickens to do it, or turn the worst area yourself with a pitchfork), or else add more bedding over the top, or else clean it out.
If you're bumping your head on the roof, it's time to clean it out.
If it's getting fairly deep, and you know you don't want to clean it out next month, consider doing it this month.
Good point, but I only have an 8x8' coop. Is there even enough space to divide it? I will mark the sheeting where the studs are.
You could divide it into a pair of 4x8 coops (I've dealt with some 4x8 coops, and they worked well enough.)
Or you could divide off a 2-foot or 3-foot section. Two feet is wide enough for raising chicks, or for any one chicken that needs to be separated for some reason (broody, bully, sick, etc.)
Or make a right-angle divider that attaches to two walls, so the small place might be 2 or 3 feet square.
It's one of those things that can be done many ways.
Just marking the studs will mean they're easy to find, if you reach a point when you need to.
How high do you recommend putting the roost?
At least 2 feet up (so chickens can walk underneath) but not higher than 6 feet (because of needing enough space for the chickens to fly down.)
I'd probably decide on the nest height first, then put the roost a little higher than the top of the nests.
As far as the windows, what size do you recommend? Do you recommend buying them locally, or is there a website that allot of BYC users use?
I would go with whatever is available locally, that isn't too expensive.
So if one size is cheap and a slightly larger or smaller size is expensive, go with the cheaper one
Do you recommend the nesting boxes be ground level or semi-raised?
For broody hens, floor-level is good (but a cardboard box or wooden crate can be fine for a broody hen.)
For normal use, I prefer raised nestboxes for several reasons:
--they do not take up floor space
--deep bedding never blocks the entrance of the nestbox
--I don't have to bend over so far to reach the eggs
If the nestboxes extend outside the coop, I would go with any height that is convenient for you to collect the eggs.
If the nestboxes are inside the coop, I would make their bottoms at least 2 feet off the ground, so the chickens can easily use the space underneath. Or maybe 3 feet, if you intend to let the bedding pile up nice and deep.
Any tips on how to make the removable roosts?
You can use pretty much anything shaped like a U that hold the ends of the roost.
You can screw one board to each wall for the ends of the roost to sit on, with a smaller board on each side to keep the roost from sliding around.
You can use a wood closet rod, and attach the usual end pieces to the walls of the coop.
(Although that has a chance of the rod rolling as they sit on it.)
My favorite coop used 2x4s (skinny side up) hung with stud hangers.
Cheap metal pieces like this:
https://www.homedepot.com/p/Simpson...anger-for-2x4-Nominal-Lumber-LUS24Z/100375190
https://www.lowes.com/pd/Simpson-Strong-Tie-Double-Shear-Hanger-Z-MAX/3006442
https://www.amazon.com/QWORK-Gauge-Galvanizing-Coating-Hanger/dp/B086L2PSR6/
Some people build the roosts as a stand-alone structure that is not attached to the coop at all. It may look like a ladder, or like a sawhorse, or any other configuration that seems to work.
And some people lay the roosts across some supports, then use one or two screws per roost to make sure they stay in place. Those screws can be removed if you want the roosts out.
Would I want the nesting boxes under the roost or on an opposite wall?
Chickens poop a lot while they sleep, so I would put the nestboxes on a different wall to keep them cleaner.