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interior finishing interior fitting outfitting
التشطيب الداخلي التجهيز الداخلي
acabado interior instalación interior
تکمیل داخلی نصب داخلی
aménagement intérieur finition intérieure
आंतरिक निर्माण अंदरूनी सजावट
finitura interna allestimento interno
内装仕上げ インテリア仕上げ
wykończenie wnętrz adaptacja wnętrz
acabamento interior instalação interior
amenajare interioară finisaj interior
внутренняя отделка внутреннее оснащение
iç donanım iç bitirme
внутрішнє оздоблення внутрішнє оснащення
室内装修 内部装饰

der  Innenausbau
C1
Estimated CEFR level.
/ˈɪnənˌʔaʊ̯sˌbaʊ̯/

🏗️ What exactly is 'der Innenausbau'?

The German term der Innenausbau refers to all construction work that takes place inside a building after the structural shell (Rohbau) is completed. It encompasses the design and functional fitting-out of the interior spaces. This includes, for example, installing non-load-bearing walls, ceilings, floors, doors, interior windows, as well as plumbing, heating, and electrical installations.

It is a masculine noun, hence the article is der Innenausbau.

🧐 Grammar in Detail: Der Innenausbau

The word „Innenausbau“ is a masculine noun. It is mostly used in the singular form, as it often describes a process or an overall concept. The plural form „die Innenausbauten“ is rare and refers to multiple completed interior finishing projects or phases.

Declension

Declension Singular
CaseArticleNoun
NominativederInnenausbau
GenitivedesInnenausbaus / Innenausbaues
DativedemInnenausbau / Innenausbaue
AccusativedenInnenausbau
Declension Plural
CaseArticleNoun
NominativedieInnenausbauten
GenitivederInnenausbauten
DativedenInnenausbauten
AccusativedieInnenausbauten

💡 Example Sentences

  1. Der Innenausbau des neuen Bürogebäudes verzögert sich.
    (The interior finishing of the new office building is delayed.)
  2. Wir haben viel Geld in den Innenausbau unseres Hauses investiert.
    (We invested a lot of money in the interior finishing of our house.)
  3. Für den Innenausbau sind verschiedene Handwerker zuständig.
    (Various craftsmen are responsible for the interior finishing.)
  4. Die Kosten des Innenausbaus waren höher als erwartet.
    (The costs of the interior finishing were higher than expected.)

🛠️ When and how to use "Innenausbau"?

The term Innenausbau is primarily used in the context of construction, architecture, craftsmanship, and real estate. It describes the phase after the completion of the structural shell (Rohbau), during which a building is made habitable or usable.

  • In construction: Describes the entire process of interior design and fitting-out.
  • In crafts: Refers to specific trades like drywalling (Trockenbau), screeding (Estrichlegen), painting (Malern), installation work, etc.
  • In everyday life: When talking about renovations or the completion of a new building.

Distinction: The Rohbau is the construction of the external structure (walls, roof). The general term Ausbau can also include exterior work, whereas Innenausbau explicitly refers to the interior.

🧠 Mnemonics to Remember

For the article: Think of related masculine words like "der Bau" (the construction/building) or "der Ausbau" (the expansion/fitting-out). Since Innenausbau is a specific type of Ausbau, it keeps the masculine article: der Innenausbau.

For the meaning: Imagine standing innen (inside) a bare structural shell (Rohbau). Everything that follows to make it liveable is the Ausbau (fitting-out) directed inwards – the Innenausbau (interior finishing).

↔️ Opposites and Alternatives for Innenausbau

Synonyms (Similar Meaning)

  • Ausbau: More general term, but can imply interior work.
  • Innenarchitektur: (Interior design/architecture) Focuses more strongly on the design aspects.
  • Raumgestaltung: (Interior design/space planning) Similar to Innenarchitektur, often used in a private context.
  • Fertigstellung (innen): (Completion (interior)) Emphasizes the end of the process.

Antonyms (Opposites)

  • Rohbau: (Structural shell) The phase before interior finishing (construction of the basic structure).
  • Außenbau / Fassadenarbeiten: (Exterior construction / facade work) Work on the outer shell of the building.
  • Abriss / Rückbau: (Demolition / dismantling) The opposite of construction.

⚠️ Note: While Innenarchitektur is often used synonymously, Innenausbau places more emphasis on the practical execution and technical aspects rather than purely aesthetics.

😂 A Little Construction Joke

Fragt der Bauherr den Architekten: "Wird der Innenausbau teuer?"
Sagt der Architekt: "Nein, wieso? Haben Sie noch Geld?"

Translation:
The client asks the architect: "Will the interior finishing be expensive?"
The architect replies: "No, why? Do you still have money left?"

✒️ Poem about Interior Finishing

Der Rohbau steht, kahl und noch leer,
Doch bald zieht Leben ein, und mehr.
Der Innenausbau fängt nun an,
Mit Plan und Eifer, Mann für Mann.

Wände zieh'n, den Estrich glatt,
Farbe kommt an jede Stadt
Im neuen Heim, Stück für Stück,
Bringt der Ausbau Wohnglück.

Translation:
The shell stands, bare and still empty,
But soon life moves in, and plenty.
The interior finishing now begins,
With plan and zeal, as work spins.

Walls are raised, the screed laid smooth,
Paint graces every spot, forsooth.
In the new home, piece by piece,
Finishing brings domestic peace.

❓ Riddle Time

Ich komme nach dem Mauern, Stein auf Stein,
Und mache aus dem Rohbau erst ein Heim.
Ich bringe Wände, Boden, Licht,
Ohne mich wär's wohnlich nicht.

Was bin ich? (What am I?)

Solution

Der Innenausbau (The interior finishing)

🧩 Word Puzzle: Innenausbau

The word „Innenausbau“ is a compound noun, formed from:

  • Innen: Meaning 'inside' or 'interior', referring to the area within a structure.
  • Ausbau: Meaning 'expansion', 'fitting-out', or 'development', referring to extending, finishing, or improving an existing structure.

Together, it literally describes theAusbau des Inneren“ – the 'fitting-out of the interior' of a building.

📝 Summary: is it der, die or das Innenausbau?

The word Innenausbau is masculine. The correct article is der. It refers to all the work done inside a building after the structural shell (Rohbau) is complete, to make it habitable or usable.

🤖

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