Marking the siding using a permanent marker to make a line on which to cut the metal siding.
How to cut metal siding panels.
How to cut metal siding step 1.
Place the corrugated metal sheet flat down on the surface with the underside facing up.
Jigsaws and metal cutting band saws are more work but can make most cuts in light to medium sheet metal.
Place the combination square precisely onto this mark.
Selecting the surface the metal siding is placed on a strong surface.
By far the best cutting surface is a workbench.
Use a permanent marker to mark the point where you want to start cutting.
Workbenches are great for cutting your corrugated metal sheets.
Find the length that you need to cut it to and use the tape measure to relate this to the metal sheeting itself.
To compensate for how metal may curve or bend cut a strip out where you use red snips for one side and green snips on the other cutting 2 inches at a time on alternating sides so two inches up the right side two inches up the left.
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.