A rolling spray applicator has a low profile so that it can be utilized between closely spaced upper and lower surfaces so that a spray coating can be applied thereto simultaneously. The spray applicator includes an elongated spray bar including a plurality of nozzles on upper and lower surfaces thereof. A fluid supply is connected to the elongated spray bar. A frame supports the elongated spray bar and includes a plurality of wheels for rollingly supporting the frame. A handle is attached to either one of the frame or the elongated spray bar so that the device can be rolled between closely spaced upper and lower surfaces for applying a spray coating thereon.