Typically siding shears use air.
How to cut cement board siding.
Wait for the saw blade to warm up and come to full rpm before.
This is the same way of cutting the drywall.
Cutting fiber cement siding siding shears.
With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
Use the score and the snap tools.
Mark where you d like to cut the board.
Unlike score and snap you ll need to use a surface.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line.
Draw a line with a carpenter s pencil where you want to cut the board.
Make sure the line is straight and visible.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
In fact you could use a utility knife or a carbide tipped scoring equipment in order to spot the line.
Lay your cement board out on a work table or between two saw horses.
For a slow but virtually dustless way to cut siding use power.