diff --git a/rhino/elemente.py b/rhino/elemente.py
index 542a33d..071daf9 100644
--- a/rhino/elemente.py
+++ b/rhino/elemente.py
@@ -8589,6 +8589,14 @@ def _regenerate_element_body(doc, element_id, src_obj, meta, geom, geschoss_name
                 per_layer_ext_start=pl_ext_s, per_layer_ext_end=pl_ext_e,
                 per_layer_miter_start=pl_miter_s,
                 per_layer_miter_end=pl_miter_e)
+            # Diagnostic: layer build status — User sieht oft "solid" obwohl
+            # walls layered sind, kontrollieren obs an Brep-Build oder Display liegt
+            _n_ok = sum(1 for (b, _c, _n) in layer_breps if b is not None)
+            _n_fail = len(layer_breps) - _n_ok
+            print("[ELEMENTE] layered build {} (chain={}): {}/{} layers built"
+                  " (def={} layers)".format(
+                      element_id, len(chain_ids) if chain_ids else 1,
+                      _n_ok, len(layer_breps), len(layers_def)))
         else:
             single_brep = _make_volume_geometry(
                 geom, meta["dicke"], uk, ok,
@@ -15273,7 +15281,13 @@ def _on_object_replaced_body(sender, e):
                              raum_txt_h=meta.get("raum_txt_h"),
                              raum_align=meta.get("raum_align") or None,
                              raum_sia=meta.get("raum_sia") or None,
-                             raum_fuellung=meta.get("raum_fuellung"))
+                             raum_fuellung=meta.get("raum_fuellung"),
+                             # Wand-spezifische Meta (sonst geht layered/style
+                             # nach Replace verloren — Layered-Wand wird solid!)
+                             wand_layered=meta.get("wand_layered"),
+                             wand_layers=meta.get("wand_layers"),
+                             wand_style_id=meta.get("wand_style_id") or None,
+                             wand_joint_rolle=meta.get("wand_joint_rolle") or None)
                 new_obj.Attributes = attrs
                 new_obj.CommitChanges()
         except Exception: pass