{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.curtain","code":"thing-q49005","url":"https://ver.cy/models/thing/q49005/","name":"curtain","alternateNames":["false facade","maku","net curtain","curtain fall","hospital curtain","noren","train curtains","safety curtain","kabeshiro","portière","kichō","parochet"],"kind":"thing","status":"published","version":"0.2.0-wave.5","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A piece of cloth hung to block out or soften light, usually at a window, also giving privacy and some insulation; related hanging screens include shower, theatre and safety curtains.","purpose":"Let an agent describe curtains by type, material and use, and point to fire-safety standards for curtains in public buildings and theatres.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["A hanging screen; movement alone does not define it, and blinds are a separate category of covering.","Theatre safety curtains separate stage and audience in a fire; their performance as an assembly differs from fabric flame classification.","Curtains in public buildings often must meet flame-retardancy standards."],"structure":{"bundles":[{"id":"type","name":"Type","description":"Which curtain.","layers":[{"id":"kind","name":"Kind","description":"Window, theatre, hospital.","findings":[{"id":"kind","name":"Kind","description":"Use and setting.","questions":[{"text":"What kind of curtain is it?","kind":"definition"},{"text":"Where is it used?","kind":"definition"}]}]},{"id":"material","name":"Material","description":"Fabric.","findings":[{"id":"material","name":"Material","description":"Fabric and treatment.","questions":[{"text":"Which material is it made of?","kind":"provenance"},{"text":"Is it flame-retardant?","kind":"boundary"}]}]}]},{"id":"function","name":"Function","description":"What it does.","layers":[{"id":"light-and-privacy","name":"Light and privacy","description":"Blocking.","findings":[{"id":"light-control","name":"Light control","description":"Performance.","questions":[{"text":"How much light does it block?","kind":"measurement"},{"text":"Is it blackout?","kind":"boundary"}]}]},{"id":"thermal-and-acoustic","name":"Thermal and acoustic","description":"Insulation.","findings":[{"id":"insulation","name":"Insulation","description":"Performance.","questions":[{"text":"Does it improve insulation?","kind":"measurement"},{"text":"By how much?","kind":"measurement"}]}]}]},{"id":"safety","name":"Safety","description":"Fire and cords.","layers":[{"id":"fire","name":"Fire","description":"Flame retardancy.","findings":[{"id":"fire-classification","name":"Fire classification","description":"Standard and class.","questions":[{"text":"Which fire classification does it meet?","kind":"provenance"},{"text":"Is it required here?","kind":"provenance"}]}]},{"id":"cords","name":"Cords","description":"Child safety.","findings":[{"id":"cord-safety","name":"Cord safety","description":"Measures.","questions":[{"text":"Are cords or chains safely secured?","kind":"boundary"},{"text":"Under which standard?","kind":"provenance"}]}]}]},{"id":"installation","name":"Installation","description":"Fitting and care.","layers":[{"id":"fixtures","name":"Fixtures","description":"Rails and rods.","findings":[{"id":"fixture","name":"Fixture","description":"Type and load.","questions":[{"text":"How is it hung?","kind":"definition"},{"text":"Can the fixture bear the load?","kind":"boundary"}]}]},{"id":"care","name":"Care","description":"Cleaning.","findings":[{"id":"care","name":"Care","description":"Instructions.","questions":[{"text":"How should it be cleaned?","kind":"provenance"},{"text":"Does cleaning affect fire treatment?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["describe types and safety rules"],"mustNot":["declare a curtain fire-safe without certification"],"requiresHuman":[]},"ethics":{"considerations":["child safety","fire safety"],"affectedParties":["occupants","children"]},"owners":{"steward":"the owner of each curtain or building","roles":[],"masterSystems":[]},"relations":[{"target":"Q64618487","type":"parent","note":"registry parent class"},{"target":"Q796635","type":"parent","note":"registry parent class"},{"target":"textile furnishing","type":"related","note":"household item"},{"target":"window blind","type":"related","note":"other covering"},{"target":"curtain rail","type":"related","note":"fixture"},{"target":"theatre and safety curtains, shower curtains","type":"related","note":"other hanging screens"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.curtain","Wikidata: Q49005 (https://www.wikidata.org/wiki/Q49005)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"required","items":["Hanging fabric on a rail or rod","Fabric panels hung from rails or rods beside or across windows, doors or stages."]},"capabilities":{"applicability":"required","items":["describe types and materials","explain fire safety requirements for public spaces","describe theatre curtains and safety curtains","point to child safety rules for cords"]},"hazards":{"applicability":"required","items":["Fire spread","Strangulation of children by cords","Infection transmission via hospital curtains"]},"interfaces":{"applicability":"required","items":["EN 13773 classification of curtains and drapes by burning behaviour","NFPA 701 fire tests for flame propagation of textiles (US)","EN 13120 internal blinds (excludes draperies); EN 16434 safety devices may be applied to corded draperies"]},"context":{"applicability":"required","items":["Controlling light, privacy, heat and sound; staging in theatres.","window curtains and drapes","net or sheer curtains","blackout curtains","door and bed curtains","Japanese noren"]}},"sources":[{"title":"Q49005","url":"https://www.wikidata.org/wiki/Q49005","note":"identity of the registry item, labels and sitelinks"},{"title":"Curtain","url":"https://en.wikipedia.org/wiki/Curtain","note":"general description of the subject"},{"title":"BS EN 13120:2009+A1:2014 - Internal blinds. Performance requirements including safety","url":"https://knowledge.bsigroup.com/products/internal-blinds-performance-requirements-including-safety","note":"Internal-blind scope, inclusion of Roman shades and explicit exclusion of draperies."},{"title":"BS EN 16434:2014 - Internal blinds. Protection from strangulation hazards","url":"https://knowledge.bsigroup.com/products/internal-blinds-protection-from-strangulation-hazards-requirements-and-test-methods-for-safety-devices","note":"Safety-device requirements and their possible application to draperies."},{"title":"BS EN 13773:2003 - Curtains and drapes. Classification scheme","url":"https://knowledge.bsigroup.com/products/textiles-and-textile-products-burning-behaviour-curtains-and-drapes-classification-scheme","note":"Correct burning-behaviour classification standard and scope."},{"title":"NFPA LiNK - Available Publications","url":"https://link.nfpa.org/all-publications/33/2007","note":"NFPA 701 title and scope as fire tests for flame propagation of textiles and films."},{"title":"Fire Curtain","url":"https://www.rochester.edu/college/ecm/about/training-files/theatre-terms.pdf","note":"Theatre safety-curtain function, vertical movement and non-textile materials."},{"title":"Disinfection of Healthcare Equipment","url":"https://www.cdc.gov/infection-control/hcp/disinfection-sterilization/healthcare-equipment.html","note":"Contaminated environmental surfaces and privacy curtains as potential infection-transmission concerns."}],"openQuestions":["The registry merges unrelated items (false facade, curtain fall); they need registry corrections."],"resources":{"spec":"/models/things/publications/thing-q49005/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q49005/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-10-21T21:11:21Z","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":"not-applicable","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 2026-10-21T21:34:40+00:00: completeness 1.00; sense: Wikidata description; 8 live sources; review by codex: pass","interaction.properties":"Curtains vary; sizes belong to each product."},"score":1.0}}