DEWALT's 20 in. Deluxe Metal Dispensing Foam Gun Tool provides the control needed when accurate foam application matters, particularly around windows, doors, penetrations, cracks, and building-envelope gaps. Its gun-style configuration supports measured dispensing while helping reduce unnecessary foam waste during installation. The elongated barrel improves reach into confined spaces, and the durable metal construction is suited to professional construction environments. As a dispensing accessory rather than a power tool, it is intended for use with compatible foam products and can be incorporated into routine insulation, sealing, and weatherization work where consistent application is important.