Hold the side of the metal sheet and put your snips around the edge.
Cutting ribbed sheet metal.
Use your nondominant hand to hold the side of the metal.
Whether you use an angle grinder or a circular saw the heat damages the edges and the shower of hot sparks can destroy the protective coating and burns the paint finish.
Cutting corrugated metal with anything producing heat can void the warranty by your manufactures and can make permanent damage to the metal sheets causing them to rust.
But the discs wear down quickly cut slowly and shrink in diameter as you use them.
Also helps to have another pair of hands to wrestle with the metal.
There are some cuts that you can do with decent tin snips.
The best tool to cut sheet metal is an electric nibbler tool it cuts corrugated iron sheet metal and even metal car panels easily.
Draw a line down the length or width of the sheet metal using a pencil to mark the cut line.
Need to keep in mind that the left side of the cutters cut the metal cleanly however the metal on the right side is quite rough.
Hold the snips loose in your hand and place the two blades around the edge that you d like to cut.
Instead we recommend using a diamond blade that s rated to cut ferrous metal.
A tool like a nibbler is fast and easy to maneuver around to cut circles corners and angles in sheet metal work with out jamming like electric shears or tin snips would.
You can cut corrugated metal both parallel to the ridges as well as across the ridges.
Tin snips or aviation snips are one of the most widely used tools to cut sheet metals.
An angle grinder fitted with an abrasive metal cutting disc works well to cut all kinds of metal including bolts angle iron rebar and even sheet metal.
Such as straight cut snips left cut the right cut etc.
Cut metal roofing with electric shears electric metal shears come in two varieties a standard plug in in power tool or better an attachment for your impact driver this is best done with malco tools.
They look like scissors and work fine with sheet metals like brass aluminum tin steel etc.
Practice until you are confident with navigating the corrugations.
