How To Install Hardie Siding Corners. Most contractors don’t even think about what type of nails to use when installing hardie siding. It is a layer of zinc coating on the surfaces.

The corner has two pieces. For outside corners you can use preformed metal corners or a corner post. Hardieplank® lap siding can be installed over braced wood or steel studs spaced a maximum of 24″ o.c.