You have to make the cuts very slowly.
Cut concrete board siding.
Use a specialized blade used with the saw such as mikita hardiblade or dewalts filber cement blade.
Fiber cement siding accessories.
Mark where you d like to cut the board.
Wait for the saw blade to warm up and come to full rpm before.
When cutting fiber cement siding with circular saw use a blade that has only four or six teeth.
With the cement board flat use a ruler to guide your pencil as you mark a line where you want to cut the board.
Unlike some of the original siding shingles that it replaces.
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Lay your cement board out on a work table or between two saw horses.
For a slow but virtually dustless way to cut siding use power.
To keep dust to a minimum use a circular saw that s equipped with either a dust collection bag or electric fan that.
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When you want to have the holes in the surface from a tub faucet or toilet flange this is the time to cut the board with the holes.
Then you get the diameter of inches in a drill and the series of a bore that near the spaced holes and the outline.
It can be cut and drilled just like wood.
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Draw a line with a carpenter s pencil where you want to cut the board.
Like the score and snap method set a straightedge across your sheet.
Cement fiber siding is a commonly used building material.
This old house general contractor tom silva shares his secrets for working with fiber cement siding.
James hardie 8 25 in x 144 in hz10 hardieplank cedarmill fiber cement lap siding.
It s available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years.
Make sure the line is straight and visible.
It is a concrete product that is light flexible and has a woodlike finish.
Just sharing some of the different methods i ve used for cutting hardieboard siding.
Use your eyeware and ear protection.
You draw the outline of the hole in the board by a pencil compass.
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.