How can I effectively cut Hardiebacker board?

To effectively cut Hardiebacker board, use a carbide-tipped scoring knife to score the board along the cut line multiple times. Then, snap the board along the scored line. Finally, use a carbide-tipped jigsaw or circular saw to make any necessary detailed cuts. Remember to wear appropriate safety gear and work in a well-ventilated area when cutting Hardiebacker board.