Now they’ll sit about 1/8 in. above the lap siding. Cut the frieze board to length. Fiberboard cement siding is highly abrasive. Even a carbide tooth blade will last for only part of the day.

HardiePlank is an extremely recognizable example of fiber cement siding; James Hardie brought the technology to market in the 1990s. But other products, like Allura Lap siding and GAF WeatherSide ...