I've tried searching for this info but there are just so many results and most don't come to answering the exact issues I want to try to get clarified, so I hope you don't mind me asking here. If there are any relevant threads, please do post them here if that is easier.
Also, if there is a guide that covers all aspects of coop design then I haven't found it and would love the link to that instead.
With that said...
I'm planning a coop that is 8'x4' with a 8'x12' run - the idea was to be most efficient with the materials sizes and we have enough space to allocate for it, so why not? My design is based on a number of coop plans I've seen here as well as on YouTube but I've noticed that many of the plans don't go into specific measurements (that I've been interested in at least), which is a shame because this is really my first project that I will be building from scratch and I could use all the help I can get,
I'm planning a lean-to roof with 1 foot overhang at the front (8' height) and 6" overhang at the back (6' height) with a gutter to collect rainwater in a barrel. I don't plan on going up on the roof once it's finished and was wondering about spacing the rafters. I've read that they should be at most 24" apart regardless of size (2x4 or 2x6) but seen many designs were it seems like they are pretty spaced out. Considering we get snow here in winter, maybe I should stick with 24" or even consider 16" or somewhere in between?
I am also pretty confused about what to put on the roof - I was just going to put plywood but now I'm not sure if I can. Do I have to cover it with a metal / poly-carbonate or laminate / rubber material?
I also read some posts where people have said that if they were to do things differently, they would put the posts in cement posts. Not sure how I would do that with the frames method.
What I thought would be a simple project has started to become a mammoth task to figure out, lol.
Anyway, my mind is drawing a blank now - been at this too long so I'll stop here. I tried to make a mock up of my design idea in sketchup so will try to attach the pic to this post. it's not accurate, just something to help me figure what I'm doing.
Really appreciate your assistance on this.
My main ideas from (and credit to):