Make use of a straight tin snip in cutting on the width.
Cutting aluminum siding with a knife.
Place the fracture line over the edge of a table and bend the overhang slightly downwards.
About two thirds of the way is ideal.
With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.
The first step is to make cuts right across the contours of the aluminum siding using the radial arm saw or perhaps a.
Using a utility knife.
This will help your cut stay clean and prevent the edges of your cut siding from fraying or marring.
Be certain to use both the green and red tin snips as you cut your siding.
Finally you can also use a utility knife.
Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal.
This gives you enough room to move around not letting the panels get in your way.
As you cut with your right hand use the red handled tin snip.
Switching between the two will help you get the job done quicker.