Cut a straight 1 2 so its length runs from the frieze board to the bottom of the first siding course.
Cut cement siding.
It can be cut and drilled just like wood.
The advantage of using the circular saw is that you can cut more than one board at a time.
For a slow but virtually dustless way to cut siding use power.
Use your eyeware and ear protection.
Just sharing some of the different methods i ve used for cutting hardieboard siding.
These are specialized to reduce the dust caused from cutting these planks.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
You can use diamond cutting blades attached to your circular saw or sliding miter saw.
A jigsaw can cut straight cuts rounded cuts and is the best choice if you need to cut a circular piece or an irregular shape out of the cement board.
Remember this mark represents the top of the siding piece not the bottom of the second course.
Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
Measure up from the bottom of the story pole to mark the full width of the first course of siding.
2 fit the jigsaw with a metal cutting blade or a carbide grit blade.
Cutting fiber cement siding siding shears.
Typically siding shears use air.
For tasks performed outdoors only.
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.
Cement is a tough material to use a jigsaw to cut through so you need to use the right blade for the job.
Use saw equipped with commercially available dust collection system.
Cement fiber siding is a commonly used building material.
The cleanest way to cut fiber cement siding is by using siding shears.
It is a concrete product that is light flexible and has a woodlike finish.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.