diff --git a/src/i18n/de.ts b/src/i18n/de.ts
index a22f5f7..9881d85 100644
--- a/src/i18n/de.ts
+++ b/src/i18n/de.ts
@@ -545,6 +545,9 @@ export const de = {
   "resources.components.placeholder": "Bauteil",
   "resources.col.name": "Name",
   "resources.col.color": "Farbe",
+  "resources.col.abbrev": "Kürzel",
+  "resources.col.abbrev.hint": "Kurz-Code für Wandtyp-Dropdowns (z. B. «BET», «HLZ»)",
+  "resources.col.abbrev.placeholder": "z. B. BET",
   "resources.col.hatch": "Schnittschraffur",
   "resources.col.viewHatch": "Ansichtsschraffur",
   "resources.viewHatch.none": "(keine)",
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index 9df258d..6b40492 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -539,6 +539,9 @@ export const en: Record<TranslationKey, string> = {
   "resources.components.placeholder": "Component",
   "resources.col.name": "Name",
   "resources.col.color": "Color",
+  "resources.col.abbrev": "Code",
+  "resources.col.abbrev.hint": "Short code for wall-type dropdowns (e.g. «CON», «BRK»)",
+  "resources.col.abbrev.placeholder": "e.g. CON",
   "resources.col.hatch": "Section hatch",
   "resources.col.viewHatch": "View hatch",
   "resources.viewHatch.none": "(none)",
diff --git a/src/model/types.ts b/src/model/types.ts
index 68cf01c..90a2de1 100644
--- a/src/model/types.ts
+++ b/src/model/types.ts
@@ -227,6 +227,12 @@ export interface Component {
    * Render-Modus „textured".
    */
   material?: ComponentMaterial;
+  /**
+   * Optionales Kürzel für Wandtyp-Labels (z. B. „BET", „HLZ", „GKB", „DAE").
+   * Wird von `wallTypeLabel()` genutzt, um Wandtyp-Dropdowns kompakt darzustellen
+   * (z. B. „BET 24" statt dem vollen Namen). Fehlt es, greift der Name.
+   */
+  abbrev?: string;
   /** Verschneidungs-Rang: höher läuft am Stoß durch (Backbone). */
   joinPriority: number;
 }
@@ -1374,6 +1380,35 @@ export const collectVisibleCodes = (layers: LayerCategory[]): Set<string> => {
 export const wallTypeThickness = (wt: WallType): number =>
   wt.layers.reduce((sum, l) => sum + l.thickness, 0);
 
+/**
+ * Kompakter Anzeigetext für einen Wandtyp im Dropdown (VW-Stil).
+ * - Einschichtig mit Kürzel: „BET 24" (Kürzel + Dicke in cm)
+ * - Mehrschichtig mit Kürzeln: „GKB·BET·DAE" + Gesamtdicke „(25.5)"
+ * - Ohne Kürzel: Name bleibt — kein Rückfall auf rohen Namen, nur keine Kurzform.
+ *
+ * `project.components` wird genutzt, um `Component.abbrev` aufzulösen.
+ * Ist kein abbrev gesetzt, erscheint der volle Name unverändert.
+ */
+export function wallTypeLabel(
+  wt: WallType | CeilingType,
+  components: Component[],
+): string {
+  const resolve = (id: string) => components.find((c) => c.id === id);
+  const totalCm = +(wallTypeThickness(wt) * 100).toFixed(1);
+  // cm-Zahl: "24" statt "24.0", "17.5" bleibt "17.5"
+  const cmStr = totalCm % 1 === 0 ? String(totalCm | 0) : String(totalCm);
+
+  // Alle Schichten haben ein Kürzel → Kurzform bauen
+  const abbrevs = wt.layers.map((l) => resolve(l.componentId)?.abbrev ?? "");
+  const allHaveAbbrev = abbrevs.every((a) => a.length > 0);
+  if (allHaveAbbrev) {
+    if (wt.layers.length === 1) return `${abbrevs[0]} ${cmStr}`;
+    return `${abbrevs.join("·")} (${cmStr})`;
+  }
+  // Fallback: voller Name
+  return wt.name;
+}
+
 /** Formatiert Meter mit zwei Nachkommastellen, z. B. "0.35 m". */
 export const formatM = (meters: number): string => meters.toFixed(2) + " m";
 
diff --git a/src/panels/AttributesPanel.tsx b/src/panels/AttributesPanel.tsx
index 55b0549..83c541e 100644
--- a/src/panels/AttributesPanel.tsx
+++ b/src/panels/AttributesPanel.tsx
@@ -24,7 +24,7 @@
 
 import type { ReactNode } from "react";
 import { t } from "../i18n";
-import { formatM } from "../model/types";
+import { formatM, wallTypeLabel } from "../model/types";
 import { PEN_WEIGHTS } from "../model/types";
 import type { AttributeSource } from "../model/types";
 import { usePanelHost } from "./host";
@@ -75,7 +75,11 @@ export function AttributesPanel() {
             value={host.activeWallTypeId}
             disabled={!host.toolsEnabled}
             onChange={(v) => host.onActiveWallTypeId(v)}
-            options={project.wallTypes.map((wt) => ({ value: wt.id, label: wt.name }))}
+            options={project.wallTypes.map((wt) => ({
+              value: wt.id,
+              label: wallTypeLabel(wt, project.components),
+              title: wt.name,
+            }))}
           />
         </span>
       </div>
diff --git a/src/panels/ObjectInfoPanel.tsx b/src/panels/ObjectInfoPanel.tsx
index 0314d6f..7fc956e 100644
--- a/src/panels/ObjectInfoPanel.tsx
+++ b/src/panels/ObjectInfoPanel.tsx
@@ -581,10 +581,8 @@ export function CeilingSection({
             onChange={(id) => host.onSetCeilingType(id)}
             options={ceiling.ceilingTypes.map((ct) => ({
               value: ct.id,
-              label: t("objinfo.wall.presetLabel", {
-                name: ct.name,
-                thickness: ct.thickness.toFixed(2),
-              }),
+              label: ct.label,
+              title: ct.name,
             }))}
             title={t("objinfo.ceiling.preset")}
             width={150}
@@ -717,10 +715,8 @@ export function WallSection({
             onChange={(id) => host.onSetWallType(id)}
             options={wall.wallTypes.map((wt) => ({
               value: wt.id,
-              label: t("objinfo.wall.presetLabel", {
-                name: wt.name,
-                thickness: wt.thickness.toFixed(2),
-              }),
+              label: wt.label,
+              title: wt.name,
             }))}
             title={t("objinfo.wall.preset")}
             width={150}
diff --git a/src/state/selectionInfo.ts b/src/state/selectionInfo.ts
index 52ff0c7..abcd199 100644
--- a/src/state/selectionInfo.ts
+++ b/src/state/selectionInfo.ts
@@ -15,6 +15,7 @@ import {
   flattenCategories,
   getCeilingType,
   getWallType,
+  wallTypeLabel,
   wallTypeThickness,
 } from "../model/types";
 import type {
@@ -48,6 +49,8 @@ import { stairGeometry, stairBBox } from "../geometry/stair";
 export interface WallTypeChoice {
   id: string;
   name: string;
+  /** Kurz-Label für das Dropdown (aus wallTypeLabel: Kürzel+Dicke oder Name). */
+  label: string;
   /** Gesamtdicke (Meter) — informativ im Dropdown-Label. */
   thickness: number;
   /** Anzahl Schichten (1 = einschichtig). */
@@ -359,6 +362,7 @@ function wallSelection(project: Project, wall: Wall): Selection {
     wallTypes: project.wallTypes.map((t) => ({
       id: t.id,
       name: t.name,
+      label: wallTypeLabel(t, project.components),
       thickness: wallTypeThickness(t),
       layerCount: t.layers.length,
     })),
@@ -414,6 +418,7 @@ function ceilingSelection(project: Project, ceiling: Ceiling): Selection {
     ceilingTypes: (project.ceilingTypes ?? []).map((t) => ({
       id: t.id,
       name: t.name,
+      label: wallTypeLabel(t, project.components),
       thickness: wallTypeThickness(t),
       layerCount: t.layers.length,
     })),
diff --git a/src/styles.css b/src/styles.css
index df17662..ada78b2 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -4040,7 +4040,8 @@ body {
   padding-left: 56px;
 }
 .objinfo-subfield .tb-dd-trigger {
-  width: 100%;
+  width: auto;
+  max-width: 140px;
 }
 
 /* ── Attribute-Palette (AttributesPanel) ─────────────────────────────── */
diff --git a/src/ui/ResourceManager.tsx b/src/ui/ResourceManager.tsx
index d9ddbe8..d40db21 100644
--- a/src/ui/ResourceManager.tsx
+++ b/src/ui/ResourceManager.tsx
@@ -763,6 +763,13 @@ function ComponentDetail({
       </div>
 
       <div className="res-fields">
+        <FieldRow label={t("resources.col.abbrev")} hint={t("resources.col.abbrev.hint")}>
+          <TextField
+            value={component.abbrev ?? ""}
+            onChange={(v) => onPatch({ abbrev: v || undefined })}
+            placeholder={t("resources.col.abbrev.placeholder")}
+          />
+        </FieldRow>
         <FieldRow
           label={t("resources.col.foreground")}
           hint={t("resources.col.foreground.hint")}