A fluid application device, comprising: - an applicator head; and - a nozzle assembly fluidly coupled to the applicator head, the nozzle assembly comprising: - a guide slot configured to receive a strand of material, the guide slot having an open end and a closed end; - an orifice configured to discharge a first fluid onto the strand, wherein the guide slot is spaced from the orifice; and - at least one outlet adjacent to the orifice, the at least one outlet configured to discharge a second fluid to act on the first fluid discharged from the orifice; wherein the closed end of the guide slot defines a stop configured to space the strand a predetermined distance from the orifice such that the first fluid is discharged from the orifice over the predetermined distance onto the strand, and further comprising a strand engagement device, the strand engagement device comprising an engagement arm configured to engage the strand of material and adjust a position of the strand of material in the guide slot and relative to the orifice, wherein the engagement arm is adjustable by an actuating assembly between a first position in which it is spaced a first distance from the applicator head, and a second position in which it is spaced a second distance from the applicator head, characterized by the actuating assembly being a pneumatically controlled piston and cylinder, wherein the piston is movable within the cylinder in response to air or another gas being introduced into the cylinder, said piston being connected directly or indirectly to the engagement arm such that movement of the piston in and out of the cylinder causes the engagement arm to move toward or away from the applicator head. - an applicator head; and - a nozzle assembly fluidly coupled to the applicator head, the nozzle assembly comprising: - a guide slot configured to receive a strand of material, the guide slot having an open end and a closed end; - an orifice configured to discharge a first fluid onto the strand, wherein the guide slot is spaced from the orifice; and - at least one outlet adjacent to the orifice, the at least one outlet configured to discharge a second fluid to act on the first fluid discharged from the orifice; - a guide slot configured to receive a strand of material, the guide slot having an open end and a closed end; - an orifice configured to discharge a first fluid onto the strand, wherein the guide slot is spaced from the orifice; and - at least one outlet adjacent to the orifice, the at least one outlet configured to discharge a second fluid to act on the first fluid discharged from the orifice; wherein the closed end of the guide slot defines a stop configured to space the strand a predetermined distance from the orifice such that the first fluid is discharged from the orifice over the predetermined distance onto the strand, and further comprising a strand engagement device, the strand engagement device comprising an engagement arm configured to engage the strand of material and adjust a position of the strand of material in the guide slot and relative to the orifice, wherein the engagement arm is adjustable by an actuating assembly between a first position in which it is spaced a first distance from the applicator head, and a second position in which it is spaced a second distance from the applicator head, characterized by the actuating assembly being a pneumatically controlled piston and cylinder, wherein the piston is movable within the cylinder in response to air or another gas being introduced into the cylinder, said piston being connected directly or indirectly to the engagement arm such that movement of the piston in and out of the cylinder causes the engagement arm to move toward or away from the applicator head.