Valley flashing. Composed of hardened, durable copper. 0.021 in thickness. Manufactured in United States.
Amerimax 67314 Copper Flashing, 14 In. x 10 Ft., 16 oz. – Quantity 1
14″ x 10′, Copper Flashing, 16 OZ, .021″, For Use In Valleys, Roofing Material, Termite Shield & Decorative Applications, Compatible With ACQ Lumber.