For tasks performed outdoors only.
Cut cement siding.
Use your eyeware and ear protection.
Cement fiber siding is a commonly used building material.
The cleanest way to cut fiber cement siding is by using siding shears.
Typically siding shears use air.
You have to make the cuts very slowly.
Cement is a tough material to use a jigsaw to cut through so you need to use the right blade for the job.
Just sharing some of the different methods i ve used for cutting hardieboard siding.
Use saw equipped with commercially available dust collection system.
It is a concrete product that is light flexible and has a woodlike finish.
Measure up from the bottom of the story pole to mark the full width of the first course of siding.
Cutting fiber cement siding siding shears.
Cement siding blades fiber cement siding manufacturers say you can cut the stuff with any good quality carbide tipped blade.
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.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
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.
It can be cut and drilled just like wood.
2 fit the jigsaw with a metal cutting blade or a carbide grit blade.
Remember this mark represents the top of the siding piece not the bottom of the second course.
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.
I got two hours out of a thin kerf 24 tooth carbide blade on my.
For a slow but virtually dustless way to cut siding use power.