Abstract: A utility sleeve for temporarily waterproofing a utility device comprises a top portion, a slack portion capable of being furled and unfurled by a user, a rim portion, and a bottom portion enclosed underneath the utility device. The slack portion is provided on all sides of the utility sleeve. When water levels rise due to floods and/or storm water conditions, the slack portion can be easily unfurled along all sides of the utility device by the user. The rim portion is partially closed by a closure means to allow release of gases and to allow the utility sleeve to conform to the utility device as a waterproof layer. The closure means can be attached to a part of a building structure above the utility device.