It is secured with screws, but yeah, if I ever need to pull it out, it is a relatively quick thing to do. I’ve only ever had to pull it out once and that was to replace the old board.
After seven years, it was time to replace the poop board and roosting bars in our coop.
For folks with a smaller flock/coop, this configuration has done us very well. It was probably one of the more impactful changes we made to our hand-built coop early on. Makes for very easy cleanup and room...