Wait for the saw blade to warm up and come to full rpm before.
How to cut cement board siding.
With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board.
Like the score and snap method set a straightedge across your sheet.
The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line.
Unlike score and snap you ll need to use a surface.
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.
This is the same way of cutting the drywall.
Draw a line with a carpenter s pencil where you want to cut the board.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
Cutting fiber cement siding siding shears.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
Mark where you d like to cut the board.
Make sure the line is straight and visible.
The cleanest way to cut fiber cement siding is by using siding shears.
Typically siding shears use air.