How To Cut Cement Board Siding

Typically siding shears use air.

How to cut cement board siding. Use the score and the snap tools. When cutting fiber cement siding with circular saw use a blade that has only four or six teeth. Lay your cement board out on a work table or between two saw horses. Mark where you d like to cut the board.

Draw a line with a carpenter s pencil 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. For a slow but virtually dustless way to cut siding use power. You can use diamond cutting blades attached to your circular saw or sliding miter saw.

In fact you could use a utility knife or a carbide tipped scoring equipment in order to spot the line. 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. This is the same way of cutting the drywall.

Like the score and snap method set a straightedge across your sheet. Wait for the saw blade to warm up and come to full rpm before. Unlike score and snap you ll need to use a surface. With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board.