Window Cap, Flashing, & Drip Edge Window Cap - Copper Products > Window Cap, Flashing, & Drip Edge > Window Cap - Copper 3/4″ X 10′ Copper Winodw Cap Window Caps are used as flashing to protect windows from the elements. 3/4" X 10' Copper Winodw Cap quantity Add to Quote SKU: 3410CWCAP Category: Window Cap - Copper Related products 1″ X 10′ Copper Window Cap Add to Quote