Amerimax 10" x 50' x .0078 Versa Mill Aluminum Roll Valley Flashing is designed to protect against water infiltration and versatile applications including trim around windows and doors, flashing around skylights and dormers, as well as various do-it-yourself projects and hobbies. This aluminum roll is most commonly used in roof valleys where two roof lines meet in a V shape. It is easy to cut, bend, and shape, making it a practical choice for both professional contractors and home improvement enthusiasts. Model Number: