How To Cut Cement Board Siding

Like the score and snap method set a straightedge across your sheet.

How to cut cement board siding.

Mark where you d like to cut the board. The cleanest way to cut fiber cement siding is by using siding shears. 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.

Typically siding shears use air. With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board. Lay your cement board flat and draw a line with a carpenter s pencil where you intend to cut. Wait for the saw blade to warm up and come to full rpm before.

Then place a straightedge along the line and drag either a drywall utility knife or a scoring tool. For a slow but virtually dustless way to cut siding use power. Make sure the line is straight and visible. The easiest method to cut the hardie board is that you spot the surface and break the sheet along the marked line.

Cutting fiber cement siding siding shears. You may need to trace over the line a few times to leave a mark that you can see well. When cutting fiber cement siding with circular saw use a blade that has only four or six teeth. This is the same way of cutting the drywall.

Use the score and the snap tools. Draw a line with a carpenter s pencil where you want to cut the board.