To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
Cutting cemintitious siding.
These are specialized to reduce the dust caused from cutting these planks.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
Use your eyeware and ear protection.
This is probably the most popular method for cutting fiber cement siding.
You have to make the cuts very slowly.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
For a slow but virtually dustless way to cut siding use power.
For the contractor who measures siding jobs by the square mile not the square foot i think the.
The cleanest way to cut fiber cement siding is by using siding shears.
The advantage of using the circular saw is that you can cut more than one board at a time.
Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
Makita and hitachi.