We are almost done with our coop and I have been reading about roost placement. Everything from roost placement to the height, etc. I plan to use some leftover schedule 40 PVC pipe I had in the garage. The outside diameter is 1.5 inches and after I fill it with sand and cap the ends, I think it will be pretty strong, at least to hold the 4 chicks. Is using a round material OK as a perch? Thinking they might slip off? But branches are round, although textured, they are essentially round. I would think their chicken feet should wrap around it? Since we are using the Purina design (modified for my use) that places the nest boxes at around 17" off the floor or 11" with bedding, would have me place the roosts at anywhere over that height. I can easily lower the nest boxes, thus lowering the roosts, or should I leave them high. I know about placing them higher than the nest boxes, but should I lower it all making the nest boxes lower. I guess I'm asking how low or high should the nest boxes be off the floor? I can then add the roost higher than them. Would a larger diameter work better, say 2" or 3". Or do I just use a 2X4 like everyone else? Might be over thinking it a bit???