diff --git a/src/hooks/roofcover/useRoofShapePassivitySetting.js b/src/hooks/roofcover/useRoofShapePassivitySetting.js
index cabcbe90..f341fdfa 100644
--- a/src/hooks/roofcover/useRoofShapePassivitySetting.js
+++ b/src/hooks/roofcover/useRoofShapePassivitySetting.js
@@ -253,7 +253,8 @@ export function useRoofShapePassivitySetting(id) {
       } else {
         stroke = '#000000'
       }
-      line.set({ stroke, strokeWidth: 4, selectable: false, visible: true })
+      // [2026-06-16] 저장 후에도 외벽선 클릭 선택 허용. 드래그는 lockMovement(useCanvas), 보조선 가로채기는 z-order(18abbeb9)로 별도 차단
+      line.set({ stroke, strokeWidth: 4, selectable: true, visible: true })
     })
 
     const wall = addPolygonByLines(lines, { name: POLYGON_TYPE.WALL, fill: 'transparent', stroke: 'black' })
diff --git a/src/hooks/roofcover/useRoofShapeSetting.js b/src/hooks/roofcover/useRoofShapeSetting.js
index be939b1b..52b59100 100644
--- a/src/hooks/roofcover/useRoofShapeSetting.js
+++ b/src/hooks/roofcover/useRoofShapeSetting.js
@@ -150,7 +150,8 @@ export function useRoofShapeSetting(id) {
           line.set({
             stroke,
             strokeWidth,
-            selectable: false,
+            // [2026-06-16] 저장 후에도 외벽선 클릭 선택 허용. 드래그는 lockMovement(useCanvas), 보조선 가로채기는 z-order(18abbeb9)로 별도 차단
+            selectable: true,
             visible: true,
           })