EASY COOPS Chicken Coop Plan 8x12 Assembly Instructions Manual page 11

STEP 8
Install Plywood for the Nesting Box
8.1 Cut sheet of 5/8" plywood for the nesting box sheathing using the drawing below as a guide.
You will need one 3'-10 1/2" x 4' sheet for the floor and two 1'-3 1/2" x 1'-4 1/2" sheets for inner
partitions.
8.2 Secure the plywood with 1" wood screws.