Crafting a custom drip edge requires a sheet metal brake, a roll of flashing-grade aluminum or galvanized steel, tin snips, and safety gloves. First, measure the required dimensions—typically creating a one-to-two-inch roof deck flange, a vertical face drop, and a small outward kick at the bottom. Cut the metal sheet to your desired length using tin snips, and use the metal brake to bend the sheet cleanly into the characteristic L-shape, ensuring precise angles for proper water shedding into gutters.
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