How To Bend Corrugated Sheet Metal

Once the corrugated tin roofing is secured use a piece of wood with an angled end and a hammer to create a flattened line across the bend.

How to bend corrugated sheet metal.

Clamping your sheet metal to the straightedge is a must. This measurement will be necessary for calculating your bend allowance. Then slip another sheet of plywood underneath the sheet metal all the way back to as close to. Determine the thickness of your sheet.

You can use a tape measure or ruler to measure the thickness of your sheet metal. Set a straight edge along the section as you work so your line is straight. Use a rolling technique to bend sheets of metal roofing. Draw a line along the section you want to bend using a black felt tip marker.

If your sheet metal is too thick you may need special machinery like a brake or a torch to bend your sheet into the desired shape. Rolling utilizes a die which is sized according to the desired radius of the metal sheet. 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.

Line up the edge of your plywood with the bend marks on both sides and put something very heavy on it. A corrugated metal roof is quieter than pvc when it rains. Otherwise the sheet metal is almost certain to shift as you bend it resulting in a bad bend. Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.