[{"data":1,"prerenderedAt":357},["ShallowReactive",2],{"ratgeber-en-brandschutztueren-pflicht":3},{"id":4,"title":5,"body":6,"cta":302,"description":288,"extension":310,"faq":311,"hero":333,"image":343,"locale":344,"meta":345,"navigation":346,"order":347,"path":348,"seo":349,"slug":353,"stem":354,"summary":355,"__hash__":356},"ratgeber\u002Fratgeber\u002Fen\u002Fbrandschutztueren-pflicht.md","Brandschutztueren Pflicht",{"type":7,"value":8,"toc":287},"minimark",[9,14,18,21,25,28,50,54,57,74,78,81,98,102,105,171,175,178,181,185,188,208,212,215,218,222,225,239,243,246,263,267,270],[10,11,13],"h2",{"id":12},"short-answer","Short answer",[15,16,17],"p",{},"Fire doors are mandatory by law where they form part of a fire-protection-mandated closure — in fire walls, in required corridors and stairwells, between technical and boiler rooms, and at the boundary between separate units of use.",[15,19,20],{},"The concrete requirements come from the state building code (in NRW: BauO NRW) and depend on building type and building class. Special-purpose buildings have additional ordinances with stricter requirements.",[10,22,24],{"id":23},"mandatory-in-residential-buildings","Mandatory in residential buildings",[15,26,27],{},"In multi-family houses from building class 3 upwards, a number of fire doors are required — apartment entrance doors are a common example, as are doors into the stairwell and to basement and technical rooms. The exact requirements vary with building class, number of storeys and special situations.",[29,30,31,35,38,41,44,47],"ul",{},[32,33,34],"li",{},"Apartment entrance doors — depending on building class, usually from BC 3 upwards",[32,36,37],{},"Doors to the required stairwell",[32,39,40],{},"Basement access and separation of basement from stairwell",[32,42,43],{},"Technical and boiler room",[32,45,46],{},"Service-connection room",[32,48,49],{},"Storage rooms with elevated fire load",[10,51,53],{"id":52},"mandatory-in-commercial-buildings","Mandatory in commercial buildings",[15,55,56],{},"In office, production and logistics buildings there are further mandatory areas — primarily the separation of fire compartments and units of use, technical rooms and server rooms. Assembly venues and other special-purpose buildings are governed separately.",[29,58,59,62,65,68,71],{},[32,60,61],{},"Fire walls and their passages — almost always T90",[32,63,64],{},"Required corridors and stairwells",[32,66,67],{},"Technical rooms, server rooms, archives",[32,69,70],{},"Separation of units of use (e.g. office \u002F warehouse)",[32,72,73],{},"Assembly venues — additional requirements per the venue ordinance",[10,75,77],{"id":76},"mandatory-in-special-purpose-buildings","Mandatory in special-purpose buildings",[15,79,80],{},"Hospitals, schools, industrial buildings, retail premises and hotels each have their own ordinances — often with significantly stricter requirements than the general BauO NRW. Anyone building or operating here cannot avoid the special rules.",[29,82,83,86,89,92,95],{},[32,84,85],{},"Hospitals — KhBauVO with numerous requirements",[32,87,88],{},"Schools — school construction ordinance",[32,90,91],{},"Industrial buildings — industrial-building directive",[32,93,94],{},"Retail — VkVO (from 2,000 m²)",[32,96,97],{},"Hotels — accommodation-venue ordinance",[10,99,101],{"id":100},"which-fire-resistance-class-is-required-when","Which fire-resistance class is required when?",[15,103,104],{},"Which class — T30, T60 or T90 — is required depends on the location and the fire load. A summary of the most common cases:",[106,107,108,121],"table",{},[109,110,111],"thead",{},[112,113,114,118],"tr",{},[115,116,117],"th",{},"Location",[115,119,120],{},"Typical requirement",[122,123,124,133,141,149,157,164],"tbody",{},[112,125,126,130],{},[127,128,129],"td",{},"Apartment entrance doors (multi-family)",[127,131,132],{},"T30, often T30-RS",[112,134,135,138],{},[127,136,137],{},"Required corridor → stairwell",[127,139,140],{},"T30-RS or smoke-resisting",[112,142,143,146],{},[127,144,145],{},"Fire walls",[127,147,148],{},"T90",[112,150,151,154],{},[127,152,153],{},"Technical room (heating, electrical)",[127,155,156],{},"T30 or T90 (per fire load)",[112,158,159,162],{},[127,160,161],{},"Server rooms \u002F data centres",[127,163,148],{},[112,165,166,169],{},[127,167,168],{},"Basement-stairwell crossover",[127,170,132],{},[10,172,174],{"id":173},"bauo-nrw-at-a-glance","BauO NRW at a glance",[15,176,177],{},"For North Rhine-Westphalia, the state building code NRW applies. It defines five building classes (BC 1 to BC 5) distinguished by height, storey count and units of use — the fire-protection requirements hang on these. Required corridors, required stairwells and special-purpose buildings are independent terms with their own rules.",[15,179,180],{},"When in doubt, consult the building's fire-protection concept and talk to the building authority — particularly recommended for changes in stock and use.",[10,182,184],{"id":183},"what-happens-on-violations","What happens on violations?",[15,186,187],{},"Violating fire-protection requirements can become unpleasant — usually not immediately, but at the latest at the next fire-safety audit, a tenant change or a claim event. Plain talk: consequences range from fines to loss of insurance to criminal relevance.",[29,189,190,193,196,199,202,205],{},[32,191,192],{},"Use prohibition by the building authority",[32,194,195],{},"Fines (state building codes set the framework)",[32,197,198],{},"Loss of insurance cover in case of a claim",[32,200,201],{},"Personal liability of owner \u002F operator \u002F management",[32,203,204],{},"Difficulties letting (tenancy law)",[32,206,207],{},"On personal injury: criminal relevance",[10,209,211],{"id":210},"grandfathering-does-it-always-apply","Grandfathering — does it always apply?",[15,213,214],{},"Grandfathering generally applies to approved buildings in unchanged state. It expires, however, on change of use, on substantial refurbishment, on concrete danger to life and health, and on subsequent official order.",[15,216,217],{},"In practice: anyone converting an office building into a kindergarten, rebuilding a stairwell or receiving an order from the fire-safety audit cannot rely on grandfathering. When in doubt, get it checked rather than hoping.",[10,219,221],{"id":220},"typical-practical-questions","Typical practical questions",[15,223,224],{},"Four questions we hear repeatedly during condition surveys — with the honest answer rather than the desired one.",[29,226,227,230,233,236],{},[32,228,229],{},"\"Does my apartment door need to be a fire door?\" — depends on building class and location. In multi-family from BC 3, very often yes.",[32,231,232],{},"\"We have an old timber door in the stairwell, do we have to replace it?\" — usually yes, at the latest on re-letting or refurbishment.",[32,234,235],{},"\"The door is locked — is that enough?\" — no, fire protection concerns material properties, not the lock.",[32,237,238],{},"\"We have a wedge under the door — is that enough?\" — no, fire doors must be self-closing. Wedges immediately render the door ineffective.",[10,240,242],{"id":241},"how-to-recognise-a-fire-door","How to recognise a fire door",[15,244,245],{},"A genuine fire door can be recognised by several markers — none alone suffices, but together they form a clear picture.",[29,247,248,251,254,257,260],{},[32,249,250],{},"Approval label — usually on the side of the leaf, above the hardware or on the frame",[32,252,253],{},"CE mark per the Construction Products Regulation",[32,255,256],{},"Manufacturer marking on the door leaf",[32,258,259],{},"Self-closing function via a tested door closer",[32,261,262],{},"Intumescent fire seals and smoke seals",[10,264,266],{"id":265},"mandatory-but-no-fire-door-installed-what-to-do","Mandatory but no fire door installed — what to do",[15,268,269],{},"Step by step rather than panic-replacing everything at once. A systematic condition survey first clarifies the scope; then priorities can be set and remediation spread across several months.",[29,271,272,275,278,281,284],{},[32,273,274],{},"Survey the existing stock (best done by a specialist firm)",[32,276,277],{},"Create a defect list with priority A \u002F B \u002F C",[32,279,280],{},"Plan timeline and budget",[32,282,283],{},"Commission retrofit by a specialist firm — no compromise on installation",[32,285,286],{},"Secure documentation for authority and insurance",{"title":288,"searchDepth":289,"depth":289,"links":290},"",2,[291,292,293,294,295,296,297,298,299,300,301],{"id":12,"depth":289,"text":13},{"id":23,"depth":289,"text":24},{"id":52,"depth":289,"text":53},{"id":76,"depth":289,"text":77},{"id":100,"depth":289,"text":101},{"id":173,"depth":289,"text":174},{"id":183,"depth":289,"text":184},{"id":210,"depth":289,"text":211},{"id":220,"depth":289,"text":221},{"id":241,"depth":289,"text":242},{"id":265,"depth":289,"text":266},{"kicker":303,"heading":304,"lead":305,"primary_label":306,"primary_to":307,"secondary_label":308,"secondary_to":309},"↳ Condition survey","Unsure whether your building meets the requirements?","We come on site and survey the existing stock — structured, documented, with a defect list and a concrete action plan. The initial conversation and survey are free of charge.","Inspect the property","\u002Fdienstleistungen\u002Fpruefung","Request a quote","\u002Fkontakt\u002Fangebotsanfrage","md",{"kicker":312,"heading":313,"items":314},"↳ FAQ","Frequently asked questions about the fire-door obligation.",[315,318,321,324,327,330],{"q":316,"a":317},"When is a fire door in the apartment mandatory?","In multi-family houses from building class 3, apartment entrance doors are usually required as T30 (often with smoke seals). In single-family houses (BC 1) they are typically not mandatory. The state building code is decisive — in NRW, the BauO NRW.",{"q":319,"a":320},"Must a fire door always be self-closing?","Yes. A fire door without a working closer is ineffective in terms of fire protection and loses its approval. Wedges, stoppers or permanently held-open doors are not permitted — where holding open is needed, a hold-open device is required.",{"q":322,"a":323},"Can I retrofit a normal door into a fire door?","No. Fire doors are tested as a complete system (leaf, frame, hardware, seals). A normal door cannot be retrofitted — an approved system must be installed.",{"q":325,"a":326},"Who is liable if the fire door is missing?","The operator — owner, manager or management — personally. On personal injury this can become a criminal matter; on property damage, loss of insurance is the typical consequence.",{"q":328,"a":329},"How do I recognise whether my door is a fire door?","By the approval label, the CE mark, the manufacturer's marking on the leaf or frame, the door closer, and the intumescent and smoke seals in the leaf and frame. When in doubt: have it checked — we do this on request as part of a condition survey.",{"q":331,"a":332},"What happens during a fire-safety audit if fire doors are missing?","The fire brigade sets a deadline for remediation; in acute cases an immediate use prohibition is possible. A prepared defect list with a remediation plan can significantly soften the consequences — proactive action beats reactive response.",{"kicker":334,"title_pre":335,"title_em":336,"lead":337,"reading_time":338,"updated_label":339,"updated_value":340,"published_at":341,"updated_at":342},"↳ Guide · Duties","Fire doors as a legal requirement —","when are they mandatory?","Fire doors are mandatory in many buildings — but not everywhere. Which areas absolutely need a fire-rated closure, what the BauO NRW actually demands and what consequences violations carry.","9 min read","Updated","April 2026","2026-02-15","2026-04-01","\u002Fimages\u002Fratgeber-brandschutztueren-pflicht.webp","en",{},true,20,"\u002Fratgeber\u002Fen\u002Fbrandschutztueren-pflicht",{"title":350,"description":351,"keywords":352},"Fire Doors — when are they mandatory? | Abels Brandschutz","When are fire doors required by law? Overview by building type and class, BauO NRW in plain language, consequences of violations, practical recognition tips.","fire door requirement, when is a fire door required, fire door regulation, fire door law, fire door residential, fire door commercial","brandschutztueren-pflicht","ratgeber\u002Fen\u002Fbrandschutztueren-pflicht",null,"di7OXcrWf2EsaU3rS8Obp5CnxEOpBrfkVqV1hhEISKM",1779439309896]