EASY COOPS 4x12 Chicken Coop Plan Manual page 16

STEP 13
Install the Metal Roofing
13.1 Prepare the sheet metal (23 Gauge) with dimensions: 2'-4 1/2" x 10'-7 1/2"
13.2 Use 1 1/2" sheet metal screws and neoprene washers to secure the roofing.