diff --git a/sql/model/create_facade_scan_tiles.sql b/sql/model/create_facade_scan_tiles.sql
index 92bf7f6..0c56e3b 100644
--- a/sql/model/create_facade_scan_tiles.sql
+++ b/sql/model/create_facade_scan_tiles.sql
@@ -28,7 +28,12 @@ CREATE TABLE IF NOT EXISTS maplayer.facade_scan_tiles (
     neighborhood_id text,
     district_id text,
     municipality_id text,
-    height numeric,
+    -- double precision, NOT numeric: ST_AsMVT has no MVT type for numeric and
+    -- encodes it as a STRING, which silently breaks fill-extrusion-height
+    -- (["get","height"] must yield a number or the layer renders flat).
+    -- The static tippecanoe tiles emitted a number here; building_tiles has
+    -- always used double precision for the same reason.
+    height double precision,
     owner text,
     -- report.rotation_type / report.crack_type / report.facade_scan_risk /
     -- data.foundation_risk_indication stored as text: ST_AsMVT emits the
@@ -64,7 +69,7 @@ AS $$
         f.neighborhood_id,
         f.district_id,
         f.municipality_id,
-        f.height,
+        f.height::double precision,
         f.owner,
         f.skewed_parallel_facade::text,
         f.skewed_perpendicular_facade::text,
diff --git a/sql/model/create_incident_tiles.sql b/sql/model/create_incident_tiles.sql
index e6ded5a..7ff040c 100644
--- a/sql/model/create_incident_tiles.sql
+++ b/sql/model/create_incident_tiles.sql
@@ -37,7 +37,11 @@ CREATE TABLE IF NOT EXISTS maplayer.incident_tiles (
     -- report.foundation_damage_cause as text: ST_AsMVT emits the enum label
     -- either way, and text keeps this table independent of enum DDL.
     foundation_damage_cause text,
-    height numeric,
+    -- double precision, NOT numeric: ST_AsMVT has no MVT type for numeric and
+    -- encodes it as a STRING, which silently breaks fill-extrusion-height
+    -- (incident.json feeds ["get","height"] straight into it). The static
+    -- tippecanoe tiles emitted a number here.
+    height double precision,
     geom geometry(MultiPolygon, 3857)
 );
 
@@ -110,7 +114,7 @@ AS $$
         d.external_id,
         m.external_id,
         i.foundation_damage_cause::text,
-        round(GREATEST(bh.height, 0::real)::numeric, 2),
+        round(GREATEST(bh.height, 0::real)::numeric, 2)::double precision,
         ST_Multi(ST_Transform(ba.geom, 3857))
     FROM report.incident i
     JOIN geocoder.building_active ba ON ba.external_id = i.building_id::text