Sirr0und Amerimax 14"X50' Alum Roll Valley Aluminum roll valley protects against water infiltration and has a variety of uses including trim around windows and doors, flashing around skylights and dormers, do-it-yourself projects, and hobbies. It is most commonly used in a valley where 2 roof lines meet in a V. Easy to cut, bend, and shape. MPN# 66014 SKU# 104078UPC# 49821660147