The roofs of many buildings can be much improved in appearance by the use of some one of the many neat designs of ornamental iron crestings, to be supplied by hardware dealers or manufacturers. Finials of either wood or iron look well upon gables.

Staircases, see p. 51.

Floors, see p. 45.

Portico and veranda floors should be laid of stuff one and one-fourth inches thick, and two and one-half inches wide; the edges should be painted with white lead, and the floor nailed blind, (i. e., in edges of boards, so that the nails will not show).