270 - 279 : ROOFS
270 Roofs (Grouped) Roofs icon
271 Flat roof
272 Pitched roof
273  
274 Floded plate roofs
275 Other roofs by form e.g. dome, spires, cylindrical
276 Roofs by structure e.g. arch, vaulted, suspended
277 Cantilevered roofs, canopies
278 Other types of roofs e.g. gabled, retractable
279 Parts and accessories