Wear a dust mask, safety glasses, and hearing protection
Mark the cut line clearly with a pencil or chalk
Score the board with a carbide-tipped scoring knife for straight cuts
Snap the board along the scored line
Use a fiber-cement shears for small cuts or notches
Use a circular saw with a fiber-cement blade for long or complex cuts
Cut outdoors or in a well-ventilated area
Support the board firmly on a stable surface
Cut from the back side when possible to reduce chipping
Use a jigsaw with a carbide-grit blade for curves and cutouts
Use a utility knife for thin trim pieces
Vacuum dust after cutting
Seal cut edges if required by the manufacturer
Follow the manufacturer’s cutting instructions for the specific product