diff --git a/src/hooks/module/useModuleBasicSetting.js b/src/hooks/module/useModuleBasicSetting.js
index 0babe2df..c5ef9667 100644
--- a/src/hooks/module/useModuleBasicSetting.js
+++ b/src/hooks/module/useModuleBasicSetting.js
@@ -52,7 +52,7 @@ export function useModuleBasicSetting(tabNum) {
 
   const [currentObject, setCurrentObject] = useRecoilState(currentObjectState)
   const { setModuleStatisticsData } = useCircuitTrestle()
-  const { createRoofPolygon, createMarginPolygon } = useMode()
+  const { createRoofPolygon, createMarginPolygon, createPaddingPolygon } = useMode()
 
   useEffect(() => {
     // console.log('basicSetting', basicSetting)
@@ -241,7 +241,13 @@ export function useModuleBasicSetting(tabNum) {
       } else {
         let offsetLength = canvasSetting.roofSizeSet === '3' ? -30 : (trestleDetail.eaveIntvl / 10) * -1
         setSurfaceShapePattern(roof, roofDisplay.column, true, roof.roofMaterial) //패턴 변경
-        const offsetPoints = createMarginPolygon(createRoofPolygon(roof.getCurrentPoints()), roof.lines).vertices //안쪽 offset
+        let offsetPoints = null
+
+        if (['south', 'west'].includes(roof.direction)) {
+          offsetPoints = createPaddingPolygon(createRoofPolygon(roof.getCurrentPoints()), roof.lines).vertices //안쪽 offset
+        } else {
+          offsetPoints = createMarginPolygon(createRoofPolygon(roof.getCurrentPoints()), roof.lines).vertices //안쪽 offset
+        }
         //모듈설치영역?? 생성
 
         const surfaceId = uuidv4()
diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index 4665baf8..392711b0 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -5745,5 +5745,6 @@ export function useMode() {
     cutHelpLines,
     createRoofPolygon,
     createMarginPolygon,
+    createPaddingPolygon,
   }
 }