If you have spent any time raising backyard chickens, you already know the coop gets most of the attention The run, though, is where the real action happens After housing chickens in seven different coops over the years and experimenting with all kinds of layouts, one detail kept proving more important than I expected: the chicken run flooring Picking the right floor for the run is one of the most overlooked decisions in coop design, yet your birds will spend the majority of their waking hours standing, scratching, and foraging on it