If you re a professional roofer an electric nibbler is the main tool you should use to cut corrugated metal.
How to cut corrugated aluminum roofing.
Workbenches are great for cutting your corrugated metal sheets.
This is what makes nibblers the most professional safest and cleanest cutting method.
By far the best cutting surface is a workbench.
High quality aluminum grades products.
Press the base plate of your saw against an edge where you want to start cutting.
Not only is it already meant to be stable and perfect for use with power tools but it goes perfectly with a cutting circular saw if you prefer to use that kind of tool over power shears.
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Brace the corrugated metal with your nondominant hand and start to cut.
Place the corrugated metal sheet flat down on the surface with the underside facing up.
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Brace the metal by applying pressure with your nondominant hand holding it at least 2 feet 0 61 m away from your saw.
Find a perfectly flat and steady work surface to cut the material on.