Roofs; Roof construction with regard to insulation (structures for roofs as well as for floors E04B5/00; ceilings E04B9/00; greenhouses A01G9/14; large containers having floating covers B65D88/34; roof trusses, truss-like structures, joists E04C3/02; roof coverings E04D)

Child Classifications

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• E04B 7/02 with plane sloping surfaces, e.g. saddle roofs (E04B7/12 takes precedence) +3 CPC IPC+CPC Available in IPC and CPC
• E04B 7/08 Vaulted roofs (E04B7/14 takes precedence; vaulted structures in general E04B1/32; inflatable tents or canopies, in general E04H15/20; inflatable forms for shaping in situ E04G11/04) IPC+CPC Available in IPC and CPC
• E04B 7/12 formed in bays, e.g. sawtooth roofs (E04B7/10 takes precedence) IPC+CPC Available in IPC and CPC
• E04B 7/14 Suspended roofs (suspended tents or canopies in general E04H15/04) IPC+CPC Available in IPC and CPC
• E04B 7/16 Roof structures with movable roof parts (buildings for special purposes E04H) +2 CPC IPC+CPC Available in IPC and CPC
• E04B 7/18 Special structures in or on roofs, e.g. dormer windows (in connection with roof coverings E04D13/00, especially domes E04D13/03) IPC+CPC Available in IPC and CPC
• E04B 7/20 Roofs consisting of self-supporting slabs, e.g. able to be loaded since 1990 +1 CPC IPC+CPC Available in IPC and CPC