Your tapping should start at one end of the evolving bend.
Bending metal siding.
Some metals such as steel can be heated prior to rolling to promote an elastic effect.
Rolling can produce a maximum bend of 360 degrees in most forms of metal.
Lay a piece of scrap wood on top of the metal and clamp the scrap lumber the metal and the bottom hinged board to the work surface.
Rolling utilizes a die which is sized according to the desired radius of the metal sheet.
Monkeys spinning monkeys by kevin macleod.
Simple sheet metal bender using a hand roller clamps and plywood.
Use a rolling technique to bend sheets of metal roofing.
To prevent damage or unsightly dents it s best to use a rubber plastic or rawhide mallet to gently tap the metal.
Do this until it bends toward the form block and achieves your desired angle gradually and evenly.
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