How To Build Chicken Nesting Boxes From Recycled …
Measure the distance between the floor and the bottom front of the boxes and cut a 2×4 to that length. Attach it to the end of the other long 2×4, the one you can cut and set aside earlier. Screw the short piece to the side wall and secure your 2×4. Measure another 2×4 at least as tall as the top of the nest boxes.