Description: Knocking on house / office window (3 knocks).

Description: Knocking on house / office window (2 knocks).

Description: Knocking on large window (2 knocks).

Description: Knocking on large window (4 knocks).

Description: Closing a wood frame window (w/squeak).

Description: Closing a wood frame window (w/squeak).

Description: The sound of closing or opening a curtain.

Description: The sound of closing or opening a curtain.

Description: The sound of closing or opening a curtain.

Description: DOORS/STRUCTURES WINDOWS: Theater curtain, long steady pull with squeaks.