How To Cut Cement Board Siding

The cleanest way to cut fiber cement siding is by using siding shears.

How to cut cement board siding.

You may need to trace over the line a few times to leave a mark that you can see well. The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line. With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board. For a slow but virtually dustless way to cut siding use power.

Draw a line with a carpenter s pencil where you want to cut the board. This is the same way of cutting the drywall. Wait for the saw blade to warm up and come to full rpm before. Mark where you d like to cut the board.

In fact you could use a utility knife or a carbide tipped scoring equipment in order to spot the line. Make sure the line is straight and visible. Like the score and snap method set a straightedge across your sheet. Unlike score and snap you ll need to use a surface.

Use the score and the snap tools. Typically siding shears use air. Lay your cement board out on a work table or between two saw horses. You can use diamond cutting blades attached to your circular saw or sliding miter saw.