Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
Cut fiber cement board siding.
You have to make the cuts very slowly.
I got two hours out of a thin kerf 24 tooth carbide blade on my wormdrive before sparks.
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Of all the options available this one will generate the least amount.
Typically siding shears use air.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
Flush cutting fiber cement siding installers look for an easy way to cut fiber cement siding in place for a window flashing retrofit.
Fiber cement siding manufacturers say you can cut the stuff with any good quality carbide tipped blade.
Find your most beat up pieces of siding and rip them down into.
Hold the starter 1 4 in.
Similar to the way drywall is cut it is possible to score the cement board and snap it along that scoreline.
The simplest way to cut concrete wallboard or cement backer board is not to use power tools at all.
Use your eyeware and ear protection.
How to cut nail and install durable fiber siding plus caulking and painting tips.
It is possible to use a drywall knife to score cement board sometimes.
Cutting fiber cement siding siding shears.
For a slow but virtually dustless way to cut siding use power.
The cleanest way to cut fiber cement siding is by using siding shears.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
Fiberboard cement siding looks identical to wood once it s painted.
These are specialized to reduce the dust caused from cutting these planks.
The advantage of using the circular saw is that you can cut more than one board at a time.
Fiber cement is tougher than other materials.
If it were my job i would buy a saw blade specific to cutting hardie board and use a circ saw with a vacuum attachment.