Should I use a wooden or metal barn for my chickens?

Some newer metal tip on poultry barns: Question Yorkshire Duck ? Ought to I use a wooden or metal barn for my chicken I have an old steel chicken cage in my backyard. Must I do this or cover any interior with wood to make it more entertaining best answer? Response time by Dustin K I would use the wire mesh since it was longer than wood fences. Add your own answer in the comments!

Building a Chicken Coop