| E | SK | FIXED CONSTRUCTIONS |
| E04 | KL | BUILDING (layered materials, layered products in general B32B) |
| E04F | UKL | FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) |
| E04F 10/00 | HGR | Sunshades; Awnings (baldachins A45B , A45F , E04H; trailer awnings E04H 15/08; for tents E04H 15/58) |
| E04F 10/02 | UGR1 | | . | of flexible canopy materials, e.g. canvas |
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| E04F 10/04 | UGR2 | | . . | with material fixed on sections of a collapsible frame |
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| E04F 10/06 | UGR2 | | . . | comprising a roller-blind with means for holding the end away from a building |
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| E04F 10/08 | UGR1 | | . | of a plurality of similar rigid parts, e.g. slabs, lamellae (rigidly-arranged sunshade roofs with coherent surfaces E04B 7/00) |
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| E04F 10/10 | UGR2 | |
| E04F 11/00 | HGR | Stairways, ramps, or like structures (mounting or marking-off stairways E04F 21/26; of temporary construction E04G 27/00); Balustrades; Handrails (ladders permanently attached to fixed structures E06C 9/00) |
| E04F 11/02 | UGR1 | | . | Stairways; Layouts thereof |
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| E04F 11/022 | UGR2 | | . . | characterised by the supporting structure [6] |
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| E04F 11/025 | UGR3 | | . . . | Stairways having stringers [6] |
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| E04F 11/028 | UGR4 | | . . . . | having a central stringer [6] |
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| E04F 11/032 | UGR3 | | . . . | Spiral stairways supported by a central column [6] |
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| E04F 11/035 | UGR3 | | . . . | Stairways consisting of a plurality of assembled modular parts without further support [6] |
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| E04F 11/038 | UGR4 | | . . . . | each modular part having a load-bearing balustrade part [6] |
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| E04F 11/04 | UGR2 | | . . | Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible (ship ladders B63B; stairs for aircraft B64F; escalators or moving walkways B66B) |
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| E04F 11/06 | UGR3 | | . . . | collapsible, e.g. folding, telescopic |
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| E04F 11/09 | UGR2 | | . . | Tread-and-riser units [6] |
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| E04F 11/104 | UGR2 | |
| E04F 11/108 | UGR3 | |
| E04F 11/112 | UGR3 | |
| E04F 11/116 | UGR3 | | . . . | of stone, concrete or like material [6] |
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| E04F 11/16 | UGR3 | | . . . | Surfaces thereof; Protecting means for the edges or corners thereof (floor fabrics, fastenings therefor A47G 27/00) |
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| E04F 11/17 | UGR4 | |
| E04F 11/18 | UGR1 | |
| E04F 13/00 | HGR | Coverings or linings, e.g. for walls or ceilings (flooring E04F 15/00; decoration of surfaces, mosaic work B44 , e.g. paper-hanging B44C 7/00; made of webs, e.g. of fabrics or wallpaper, D03D , D04G , D04H , D06N , D21H; construction of ceilings E04B 9/00; roofings or similar water-tight coverings against precipitation E04D) [3] |
| E04F 13/02 | UGR1 | | . | of plastic materials hardening after applying, e.g. plaster (surface treatment in painting technique B44D; inorganic or bituminous masses C04B; organic plastics C08L) |
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| E04F 13/04 | UGR2 | | . . | Bases for plaster (sub-ceilings with plaster-carrying means E04B 9/06) |
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| E04F 13/06 | UGR3 | | . . . | Edge-protecting borders |
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| E04F 13/08 | UGR1 | | . | composed of a number of similar elements, e.g. carried by webs (borders, skirtings E04F 19/02) |
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| E04F 13/10 | UGR2 | |
| E04F 13/12 | UGR2 | |
| E04F 13/14 | UGR2 | | . . | of stone or stone-like material; of glass |
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| E04F 13/16 | UGR2 | |
| E04F 13/18 | UGR2 | | . . | of organic plastics with or without reinforcements or filling materials (of plastic-bound fibres or chips E04F 13/16) |
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| E04F 15/00 | HGR | Flooring (stair treads E04F 11/104; coverings not specially adapted for floors E04F 13/00; borders, skirtings E04F 19/02; gratings for cleaning soles of footwear A47L 23/24; of similar materials to roads E01C; basic or rough floors E04B 5/00) [6] |
| E04F 15/02 | UGR1 | | . | Flooring or floor layers composed of a number of similar elements (of webs E04F 15/16) |
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| E04F 15/022 | UGR2 | | . . | Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material, e.g. board, concrete, cork [2] |
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| E04F 15/024 | UGR2 | | . . | Sectional false floors, e.g. computer floors |
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| E04F 15/04 | UGR2 | | . . | only of wood, e.g. with wooden connecting members (rollable parquet E04F 15/16) |
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| E04F 15/06 | UGR2 | | . . | of metal, whether or not in combination with other material (gratings as building elements E04C 2/42) |
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| E04F 15/08 | UGR2 | | . . | only of stone or stone-like material, e.g. concrete; of glass |
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| E04F 15/10 | UGR2 | | . . | of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite, hardboard |
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| E04F 15/12 | UGR1 | | . | Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo (inorganic or bituminous masses C04B; organic plastic masses C08L) |
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| E04F 15/14 | UGR2 | | . . | Construction of joints, e.g. dividing strips (sealing joints not restricted to flooring E04B 1/68) |
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| E04F 15/16 | UGR1 | | . | Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring (resiliently-mounted floors, e.g. sprung floors, E04F 15/22; linoleum D06N; webs in general, manufacturing of webs, see the relevant classes) |
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| E04F 15/18 | UGR1 | | . | Separately-laid insulating layers; Other additional insulating measures; Floating floors (insulating of buildings in general E04B 1/62) |
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| E04F 15/20 | UGR2 | |
| E04F 15/22 | UGR1 | | . | Resiliently-mounted floors, e.g. sprung floors (laid as webs E04F 15/16) [2] |
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| E04F 17/00 | HGR | Vertical ducts; Channels, e.g. for drainage (pipes in general F16L; pipe-line systems F17D) |
| E04F 17/02 | UGR1 | | . | for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H 12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof |
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| E04F 17/04 | UGR1 | | . | Air-ducts or air channels |
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| E04F 17/06 | UGR1 | | . | Light shafts, e.g. for cellars |
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| E04F 17/08 | UGR1 | | . | for receiving utility lines, e.g. cables, pipes (covers giving access to the ducts or channels, covers of inspection holes E04F 19/08) [6] |
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| E04F 17/10 | UGR1 | | . | Arrangements in buildings for the disposal of refuse (refuse bins, gathering or removal of refuse B65F) |
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| E04F 17/12 | UGR2 | |
| E04F 19/00 | HGR | Other details or constructional parts for finishing work on buildings (ladders, e.g. climbing irons, E06C 9/04) |
| E04F 19/02 | UGR1 | | . | Borders; Finishing strips, e.g. beadings; Light coves (for protecting edges of plaster E04F 13/06) |
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| E04F 19/04 | UGR2 | | . . | for use between floor or ceiling and wall, e.g. skirtings |
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| E04F 19/06 | UGR2 | | . . | specially designed for securing panels |
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| E04F 19/08 | UGR1 | | . | Built-in cupboards; Masks of niches; Covers of holes enabling access to installations (clean-out doors of chimneys F23J) |
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| E04F 19/10 | UGR1 | | . | Built-in gratings, e.g. foot-scrapers |
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| E04F 21/00 | HGR | Implements for finishing work on buildings (for working or treating building elements of stone or stone-like material B28D; designed specifically for special details provided for in the preceding groups, see the relevant groups for the details) |
| E04F 21/02 | UGR1 | | . | for applying plasticised masses to surfaces, e.g. plastering walls (specially for laying flooring E04F 21/20; applying liquids or other fluent materials to surfaces, in general B05; decorative arts B44) |
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| E04F 21/04 | UGR2 | | . . | Patterns or templates; Jointing rulers |
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| E04F 21/05 | UGR3 | | . . . | Supports for jointing rulers |
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| E04F 21/06 | UGR2 | | . . | Implements for applying plaster, insulating material, or the like |
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| E04F 21/08 | UGR3 | | . . . | Mechanical implements (E04F 21/14 takes precedence; spraying apparatus in general B05B; sand-blasting B24C) |
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| E04F 21/10 | UGR4 | | . . . . | centrifugally acting |
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| E04F 21/12 | UGR4 | | . . . . | acting by gas pressure, e.g. steam pressure |
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| E04F 21/14 | UGR3 | | . . . | in shafts, e.g. chimneys |
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| E04F 21/16 | UGR2 | | . . | Implements for after-treatment of plaster or the like, e.g. smoothing tools, profile trowels |
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| E04F 21/165 | UGR1 | | . | for finishing joints, e.g. implements for raking or filling joints, jointers (bricklayers' tools E04G 21/16; repairing, e.g. filling cracks, E04G 23/02) [3] |
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| E04F 21/18 | UGR1 | | . | for setting wall or ceiling slabs or plates (tools for mosaic work B44C) |
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| E04F 21/20 | UGR1 | | . | for laying flooring (made of similar material to roads or pavements E01C) |
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| E04F 21/22 | UGR2 | | . . | of single elements, e.g. flooring cramps |
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| E04F 21/24 | UGR2 | | . . | of masses made in situ, e.g. smoothing tools |
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| E04F 21/26 | UGR1 | | . | for mounting staircases, e.g. tools for marking steps |
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| E04F 21/28 | UGR1 | |
| E04F 21/30 | UGR2 | | . . | Putty squeezers or guns |
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| E04F 21/32 | UGR2 | | . . | Putty knives; Putty removers |
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