Bending Galvanized Sheet Metal Over Gable

How to bend sheet metal without a brake in 4 different methods with minimal or homemade tools.

Bending galvanized sheet metal over gable.

How to bend sheet metal without a brake. The flashing should overlap the edge of the roof by one inch to help direct water. Galvanized steel is a resilient and corrosion resistant metal which makes it an ideal component in many projects. Use the minimum bend dimension values in the charts below for your minimum closeness of cutout to a bend.

Refer to the chart for values for folder as well as various press brake tooling combinations. Geometry of tooling imposes a minimum bend dimension. When bending before galvanizing fabricators must be aware of the amount of cold work the bending introduces into the steel. 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.

Bending the galvanized steel can help you mold it into shapes appropriate for your project. This allows for some cold work in the bend area without causing. Most frequently expensive sheet metal bending tools called brakes are used to bend sheet metal but you can also complete this task without one. Flashing is metal trim that fits over joints where two sections of roof meet.

It helps direct water away from the meeting points and keeps the roofing dry. Bending sheet metal by hand is a manageable task if the piece of sheet metal is small and thin enough to handle.