diff --git a/src/hooks/module/useModuleTabContents.js b/src/hooks/module/useModuleTabContents.js
index f7484bdb..5f82f939 100644
--- a/src/hooks/module/useModuleTabContents.js
+++ b/src/hooks/module/useModuleTabContents.js
@@ -310,7 +310,7 @@ export function useModuleTabContents({ tabIndex, addRoof, setAddedRoofs, roofTab
       } else {
         // 최초 선택: 설치 가능하면 디폴트 체크
         const defaultCvr = selectedConstruction.cvrYn === 'Y'
-        const defaultSnowGd = selectedConstruction.snowGdPossYn === 'Y'
+        const defaultSnowGd = false
         selectedConstruction.setupCover = defaultCvr
         selectedConstruction.setupSnowCover = defaultSnowGd
         setCvrChecked(defaultCvr)