Roofing.

Concrete folded plate roofs Wilby, C. B. 1998 Roofing handbook Scharff, Robert 2001 Roofing research and standards development Thomas J. Wallace and Walter J. Rossiter, editors 1994 Roofing systems editor, D. E. Brotherson 1979 Shingle style Scully, Vincent J. 1965 The testing of bituminous mixtures Broome, Donald C. [from old catalog] 1949