Welcome Fred! Do you have a problem with dirt floors? Remember if you keep you birds off the ground thy will need to dust bathe. Here is an article I put together on dust bathing yesterday:
https://www.backyardchickens.com/a/healthy-dust-bathes-for-your-flock
https://www.backyardchickens.com/a/healthy-dust-bathes-for-your-flock