A securement device may have a release strip, a release layer, a film having an adhesive and/or a back layer. The release strip and/or the release layer may be removable from the adhesive. The release strip may have a first aperture that may extend through the release layer. The film and/or the adhesive may have a second aperture that may extend through the film and/or the adhesive. The release layer may be positioned between the release strip and the film. The release layer may have a third aperture that may be larger in diameter than the first aperture and/or the second aperture. The release strip may be removed from the securement device which may expose the adhesive. A suction port may be adhered to the adhesive. The securement device and/or the suction port may be secured to a dressing which may be used in negative pressure wound therapy.