My laying boxes are separate and moveable. I use flats that soda’s come in. They are heavy duty. I soak them in Clorox twice a year and give them a good scrubbing. I use golf balls in the nests. They encourage laying and kill chicken snakes. Sometimes when I move hay I'll find a snake skeleton with a golf ball inside it. Also, I can take the whole layer apart for a good scrubbing and a good coat of diatomaceous earth any time. Fire ants are a big problem when an egg gets broken which always happens. The DE usually takes care of them but if they get too bad I can drag the layer elsewhere.