Cut a straight 1 2 so its length runs from the frieze board to the bottom of the first siding course.
Cut cement board siding.
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.
Unlike score and snap you ll need to use a surface.
Use your eyeware and ear protection.
Like the score and snap method set a straightedge across your sheet.
Typically siding shears use air.
Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
Lay your cement board out on a work table or between two saw horses.
You have to make the cuts very slowly.
These are specialized to reduce the dust caused from cutting these planks.
With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board.
Measure up from the bottom of the story pole to mark the full width of the first course of siding.
Mark where you d like to cut the board.
This is probably the most popular method for cutting fiber cement siding.
Draw a line with a carpenter s pencil where you want to cut the board.
For the contractor who measures siding jobs by the square mile not the square foot i think the.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
Cutting fiber cement siding siding shears.
The cleanest way to cut fiber cement siding is by using siding shears.
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.
Wait for the saw blade to warm up and come to full rpm before.
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.