Exterior coverings of a home (siding or cladding) are meant to protect the home from weather elements as well as enhance the aesthetics of the structure. One such type of this siding is grooved plywood sheets or T1-11. Engineered from wood products and other materials pressed together, T1-11 siding ... T1-11 is a great product. It's a rough surface plywood with architectural groves every 4 or 8 inches. It's more expensive than exterior plywood sheathing but less than pressure treated and results in a finished look. For a structure and siding in one type application which I personally feel is all a chicken coop needs it's the product for you. Alibaba.com offers 157 t1 11 plywood products. About 12% of these are plywoods. A wide variety of t1 11 plywood options are available to you, such as poplar, pine, and birch.

Shop plytanium t1-11 natural rough sawn syp plywood panel siding (common: 0.594-in x 48-in x 96-in; actual: 0.563-in x 47.875-in x 95.875-in) in the wood siding panels section of Lowes.com