You can use diamond cutting blades attached to your circular saw or sliding miter saw.
Cutting fiber cement board siding.
Use your eyeware and ear protection.
The advantage of using the circular saw is that you can cut more than one board at a time.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
This is probably the most popular method for cutting fiber cement siding.
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Typically siding shears use air.
Under 29 cfr 1926 1153 c iii osha provides a specific safe harbor practice for cutting for cutting fiber cement boards using a handheld power saw with blade diameter of 8 inches or less 1.
Then measure from the chalk line to the top of the siding.
This old house general contractor tom silva shares his secrets for working with fiber cement siding.
Cutting fiber cement siding siding shears.
The cleanest way to cut fiber cement siding is by using siding shears.
Use saw equipped with commercially available dust collection system.
For a slow but virtually dustless way to cut siding use power.
Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
You have to make the cuts very slowly.
These are specialized to reduce the dust caused from cutting these planks.
It is a concrete product that is light flexible and has a woodlike finish.
It can be cut and drilled just like wood.
If any cutting needs to be done to allow for the added flashing than it can be done on the workbench with a pair of siding shears zero dust.
Just sharing some of the different methods i ve used for cutting hardieboard siding.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
For tasks performed outdoors only.
For the contractor who measures siding jobs by the square mile not the square foot i think the.
Makita and hitachi.
Cutting fiber cement board around openings mark the siding to fit around windows hold the siding snug under the windowsill and mark the window edge location.