diff --git a/src/hooks/module/useModuleBasicSetting.js b/src/hooks/module/useModuleBasicSetting.js
index d95cf077..2915b548 100644
--- a/src/hooks/module/useModuleBasicSetting.js
+++ b/src/hooks/module/useModuleBasicSetting.js
@@ -133,7 +133,7 @@ export function useModuleBasicSetting(tabNum) {
                 const offsetObjects = moduleSelectionData.roofConstructions.find((item) => item.addRoof.index === roofIndex)
 
                 roof.lines.forEach((line) => {
-                  line.attributes = { ...line.attributes, offset: getOffset(offsetObjects.addRoof, line.attributes.type, roof.pitch, roof.from) }
+                  line.attributes = { ...line.attributes, offset: getOffset(offsetObjects.addRoof, line, roof.pitch, roof.from) }
                 })
                 //배치면 설치 영역
                 makeModuleInstArea(roof, detail)
@@ -167,7 +167,7 @@ export function useModuleBasicSetting(tabNum) {
     }
   }
 
-  const getOffset = (data, type, pitch, from = '') => {
+  const getOffset = (data, line, pitch, from = '') => {
     const degree = getDegreeByChon(pitch) //각도
 
     // 계산 값
@@ -185,15 +185,24 @@ export function useModuleBasicSetting(tabNum) {
       return numerator / denominator
     }
 
+    const point1 = { x: line.x1, y: line.y1 }
+    const point2 = { x: line.x2, y: line.y2 }
+    let isDiagonal = false // 대각선 있는지 확인
+
+    const angle = calculateAngle(point1, point2) //선의 각도 계산
+    if (!(Math.abs(angle) === 0 || Math.abs(angle) === 180 || Math.abs(angle) === 90)) {
+      isDiagonal = true
+    }
+
     //경사 신장률은 1 / cos쎄타
     const calculateHeightRate = 1 / Math.cos((degree * Math.PI) / 180)
     const calculateValue = calculateHeightRate / calculateExpression(degree)
 
     const eavesResult = from === 'roofCover' ? (data.eavesMargin * Math.cos((degree * Math.PI) / 180)) / 10 : data.eavesMargin / 10
     const ridgeResult = from === 'roofCover' ? (data.ridgeMargin * Math.cos((degree * Math.PI) / 180)) / 10 : data.ridgeMargin / 10
-    const kerabaMargin = from === 'roofCover' ? data.kerabaMargin / calculateValue / 10 : data.kerabaMargin / 10
+    const kerabaMargin = from === 'roofCover' && isDiagonal ? data.kerabaMargin / calculateValue / 10 : data.kerabaMargin / 10
 
-    switch (type) {
+    switch (line.attributes.type) {
       case LINE_TYPE.WALLLINE.EAVES:
         return eavesResult
       case LINE_TYPE.WALLLINE.GABLE:
diff --git a/src/hooks/useCirCuitTrestle.js b/src/hooks/useCirCuitTrestle.js
index 60c2b74f..12e1b28b 100644
--- a/src/hooks/useCirCuitTrestle.js
+++ b/src/hooks/useCirCuitTrestle.js
@@ -77,7 +77,8 @@ export function useCircuitTrestle(executeEffect = false) {
   const getRoofSurfaceList = () => {
     const roofSurfaceList = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE_SETUP_SURFACE)
     roofSurfaceList.sort((a, b) => a.left - b.left || b.top - a.top)
-    return roofSurfaceList
+
+    const result = roofSurfaceList
       .map((obj) => {
         return {
           roofSurfaceId: obj.id,
@@ -97,6 +98,36 @@ export function useCircuitTrestle(executeEffect = false) {
         }
       })
       .filter((surface) => surface.moduleList.length > 0)
+
+    // result 배열에서 roofSurface 값을 기준으로 순서대로 정렬한다.
+
+    return groupSort(result)
+  }
+
+  const groupSort = (arr) => {
+    const result = []
+    const seen = new Set() // (roofSurface + "|" + roofSurfaceIncl)
+
+    let remaining = [...arr]
+
+    while (remaining.length > 0) {
+      const { roofSurface, roofSurfaceIncl } = remaining[0]
+      const key = `${roofSurface}|${roofSurfaceIncl}`
+
+      // 해당 그룹 추출
+      const group = remaining.filter((item) => item.roofSurface === roofSurface && item.roofSurfaceIncl === roofSurfaceIncl)
+
+      // 이미 처리했는지 체크 후 저장
+      if (!seen.has(key)) {
+        result.push(...group)
+        seen.add(key)
+      }
+
+      // remaining에서 제거
+      remaining = remaining.filter((item) => !(item.roofSurface === roofSurface && item.roofSurfaceIncl === roofSurfaceIncl))
+    }
+
+    return result
   }
 
   // 모듈 목록