What's the best option for cutting cement siding? - Home Improvement Stack Exchange
Essential Tools to Install Hardie Products | James Hardie Pros
DJS800 - Cement Shear LXT®
Kett KD-1495 Fiber Cement Shear 5/8" Thick, 2500 RPM, A-2 Steel Blades, Electric Shears, Electric Scissors, Electric Cutter, Cutting Tool for Fiber Cement Siding and Backerboard - Power Shears - Amazon.com
if you're cutting hardieboard with a saw, you don't know what you're missing. found them cheap secondhand. i bet the cordless ones would almost make putting up Hardie tolerable. : r/Tools
MAKITA Fibre Cement Board Shear | The Home Depot Canada
DJS800Z- 18V Brushless 13mm Fibre Cement Shears | Makita Australia