Suntuf® Solar Gray Corrugated Polycarbonate Roofing Panel 12' Make your outdoor space more livable. Year round. Suntuf® Corrugated Polycarbonate is lightweight, super tough and easy to install. Use it to cover just about any type of outdoor structure for increased outdoor living area, storage, or shelter. Whether it’s a beautiful covered patio, a storage shed for organizing your garden equipment, or even a chicken coop to provide fresh eggs to your family each day, Suntuf® is a great choice to help make outdoor covered projects come to life. Suntuf easily withstands snow, ice and temperatures ranging from -40° to 212°F (-40° to 100° C). And with up to 20 times more impact resistance than fiberglass, it offers the best hail protection available in transparent or translucent products.