Bending Galvanized Sheet Metal Over Gable

How to bend sheet metal without a brake.

Bending galvanized sheet metal over gable.

When bending before galvanizing fabricators must be aware of the amount of cold work the bending introduces into the steel. The diagram shows one such mechanism. How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools. The flashing should overlap the edge of the roof by one inch to help direct water.

Refer to the chart for values for folder as well as various press brake tooling combinations. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet. Use the minimum bend dimension values in the charts below for your minimum closeness of cutout to a bend. Galvanized steel is a resilient and corrosion resistant metal which makes it an ideal component in many projects.

Most frequently expensive sheet metal bending tools called brakes are used to bend sheet metal but you can also complete this task without one. The bending process is fairly simple but you should feel confident operating power tools before you attempt to bend the galvanized steel. This allows for some cold work in the bend area without causing. It helps direct water away from the meeting points and keeps the roofing dry.

Flashing is metal trim that fits over joints where two sections of roof meet. Astm a 143 recommends the minimum bend radius for any part that will be hot dip galvanized after bending be at least three times the material s thickness.