Cut Cement Board Siding

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

Cut cement board siding.

Lay your cement board out on a work table or between two saw horses. For the contractor who measures siding jobs by the square mile not the square foot i think the. Makita and hitachi. The cleanest way to cut fiber cement siding is by using siding shears.

Mark where you d like to cut the board. You can use diamond cutting blades attached to your circular saw or sliding miter saw. Measure up from the bottom of the story pole to mark the full width of the first course of siding. You have to make the cuts very slowly.

With the cement board flat use a ruler to guide your pencil as you mark a line 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. These are specialized to reduce the dust caused from cutting these planks. Cutting fiber cement siding stationary shears.

Remember this mark represents the top of the siding piece not the bottom of the second course. You may need to trace over the line a few times to leave a mark that you can see well. Draw a line with a carpenter s pencil where you want to cut the board. Cut a straight 1 2 so its length runs from the frieze board to the bottom of the first siding course.

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. Cutting fiber cement siding siding shears. Make sure the line is straight and visible.

Wait for the saw blade to warm up and come to full rpm before. Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade. Typically siding shears use air. Unlike score and snap you ll need to use a surface.

Just sharing some of the different methods i ve used for cutting hardieboard siding. This old house general contractor tom silva shares his secrets for working with fiber cement siding.