EASY COOPS 4x12 Chicken Coop Plan Manual page 10

STEP 7
Framing The Side Walls
7.1 Using 2 1/2 " x 3 1/2 " pressure-treated material, cut four studs and attach them using the illustration
below as a reference.
7.2 Secure the girts to the studs with 4x5" wood screws.