43 Poultry house with l/3 deep litter and 2/3 slatted floor for 1100 to 1200 layers.
42 Poultry house fot 40 layers half deep litter/ half slatted floor.
Composting chicken manure in deep litter in the coop will build better chicken health, reduce labor and retain most of the nutrients for your garden.
Alternatively wire mesh can be used for the floor.
Designing the Chicken Coop.