{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.roof","code":"thing-q83180","url":"https://ver.cy/models/thing/q83180/","name":"roof","alternateNames":["Twisted Spire","Aasdach","public transport shelter","hyperbolic-parabolic roof","metal roof","Vedtak","roof terrace","tiled roof","juanpeng","Koyagumi","solar panel roof","domestic roof construction"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.BLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The covering on the top of a building or structure that protects it from weather, with forms such as pitched, flat, domed and hyperbolic-paraboloid roofs, and materials such as tile, slate, metal or thatch.","purpose":"Let an agent handle roofs by form, material, condition, safety of work at height and energy performance.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Top covering of a structure","Form and material decide performance","Work on roofs is work at height","Key to energy efficiency"],"structure":{"bundles":[{"id":"form","name":"Form","description":"Shape and covering.","layers":[{"id":"shape","name":"Shape","description":"Pitched, flat, dome.","findings":[{"id":"shape-finding","name":"Shape","description":"Roof shape.","questions":[{"text":"What is the roof form and pitch?","kind":"definition"},{"text":"How does water drain?","kind":"definition"}]}]},{"id":"covering","name":"Covering","description":"Material.","findings":[{"id":"covering-finding","name":"Covering","description":"Covering material.","questions":[{"text":"What is it covered with?","kind":"definition"},{"text":"How old is the covering?","kind":"measurement"}]}]}]},{"id":"condition","name":"Condition","description":"Leaks and damage.","layers":[{"id":"inspection","name":"Inspection","description":"Survey.","findings":[{"id":"inspection-finding","name":"Inspection","description":"Inspection results.","questions":[{"text":"What defects were found?","kind":"measurement"},{"text":"When was it inspected?","kind":"provenance"}]}]},{"id":"repair","name":"Repair","description":"Fixes.","findings":[{"id":"repair-finding","name":"Repair","description":"Repair needs.","questions":[{"text":"What repairs are needed?","kind":"action"},{"text":"Do they need permission?","kind":"boundary"}]}]}]},{"id":"performance","name":"Performance","description":"Energy and loads.","layers":[{"id":"insulation","name":"Insulation","description":"Thermal.","findings":[{"id":"insulation-finding","name":"Insulation","description":"Insulation level.","questions":[{"text":"How well is the roof insulated?","kind":"measurement"},{"text":"How can it be improved?","kind":"action"}]}]},{"id":"loads","name":"Loads","description":"Snow, wind, panels.","findings":[{"id":"loads-finding","name":"Loads","description":"Structural loads.","questions":[{"text":"Can the roof take the added load of solar panels?","kind":"boundary"},{"text":"What snow and wind loads apply?","kind":"measurement"}]}]}]},{"id":"safety","name":"Safety","description":"Work at height.","layers":[{"id":"work","name":"Work at height","description":"Protection.","findings":[{"id":"work-finding","name":"Work safety","description":"Safety measures.","questions":[{"text":"What fall protection is required for roof work?","kind":"boundary"},{"text":"Should a professional do it?","kind":"action"}]}]},{"id":"fragile","name":"Fragile surfaces","description":"Rooflights.","findings":[{"id":"fragile-finding","name":"Fragile","description":"Fragile surfaces.","questions":[{"text":"Are there fragile rooflights or sheets?","kind":"boundary"},{"text":"Are they marked?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Inspect a roof by drone or sensor and report damage to the owner.","Monitor snow load and drainage for the building manager."],"mustNot":["Send people onto a roof without fall protection.","Work on a roof in high winds or ice.","Remove or disturb roofing that may contain asbestos without proper procedures.","Overload a roof with equipment beyond its rating."],"requiresHuman":["Ordering roof repairs or replacement."]},"ethics":{"considerations":["Roof work causes many fatal falls.","A failed roof exposes occupants to the weather and collapse."],"affectedParties":["Occupants","Roofers and workers","Passers-by below"]},"owners":{"steward":"The building owner.","roles":[],"masterSystems":[]},"relations":[{"target":"Q391414","type":"parent","note":"registry parent class"},{"target":"Q66098993","type":"parent","note":"registry parent class"},{"target":"Q811430","type":"parent","note":"registry parent class"},{"target":"building and built structure","type":"related","note":"element"},{"target":"solar panels","type":"related","note":"uses"},{"target":"building code","type":"related","note":"rules"},{"target":"weather","type":"related","note":"function"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.roof","Wikidata: Q83180 (https://www.wikidata.org/wiki/Q83180)"]},"properties":{"applicability":"required","items":["pitch: 0-60 degrees - flat roofs have small falls","design snow load: 0.5-5 kN/m2 - depends on location"]},"recognition":{"applicability":"required","items":["Roof form and covering","Gutters, flashings and chimneys","Twisted spires and special forms","The top covering of a building: pitched with tiles or slates, flat with membranes, metal sheets, thatch or green roofs; shelters have simple roofs."]},"capabilities":{"applicability":"required","items":["inspect and repair it","insulate it","install solar panels, with checks","work on it safely at height"]},"hazards":{"applicability":"required","items":["Falls during roof work","Leaks and damp","Storm damage","Snow load collapse"]},"interfaces":{"applicability":"required","items":["Building codes on roofs and loads","Work at height regulations","Fire classification for roof coverings (EN 13501-5)"]},"context":{"applicability":"required","items":["Keeping weather out and supporting insulation, solar panels and drainage.","pitched roofs","flat roofs","domes and shells","green roofs","thatched and traditional roofs","shelter roofs"]}},"sources":[{"title":"Wikidata item Q83180: roof","url":"https://www.wikidata.org/wiki/Q83180","note":"identity and sense of the item"},{"title":"Wikipedia: Roof","url":"https://en.wikipedia.org/wiki/Roof","note":"general description of the item"}],"openQuestions":["Should roof types be separate entries?","How should roof condition be recorded?","The registry entry has merged aliases such as public transport shelter; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q83180/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q83180/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T06:00:55Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}