The technique uses corner boards. They are sized according to the siding's thickness, but are often 3/4-inch or 1-1/4-inch material. Check that each piece is flush with the house before nailing it in place.
Check that each piece of cedar siding is flush with the house before nailing in place (image 1). Continue cutting the corner bead pieces to fit along the corner joint (image 2).
Cut and attach a furring strip to support the lower edge of the first board (image 1). Face nail to studs penetrating 1-1/4 inches into solid wood (image 2). Use one ring shank nail per bearing spaced at maximum 24 inches on center.