CONCRETE WINDOW SILL. A WINDOW SILL IS PART OF THE WINDOW TRIM, THE DECORATIVE COVERING AROUND THE WINDOW'S EDGE THAT PROTECTS WHERE THE WINDOW ATTACHES TO THE WALL AND PREVENTS DRAFTS AND MOISTURE FROM GETTING INTO THE HOME.
CONCRETE WINDOW SILL. A WINDOW SILL IS PART OF THE WINDOW TRIM, THE DECORATIVE COVERING AROUND THE WINDOW'S EDGE THAT PROTECTS WHERE THE WINDOW ATTACHES TO THE WALL AND PREVENTS DRAFTS AND MOISTURE FROM GETTING INTO THE HOME.