Some pro siders recommend using 2-¼-inch galvanized nails to build the corners and to install them. Fiber cement siding is extremely brittle, so don’t hand-nail or use a framing gun. 5.

Use 6d or 8d galvanized or stainless siding nails and install a single nail about 1-in. down from the top edge at each stud, no more than 16 in. apart. n Nail lengths should be chosen so they ...