The invention relates to nozzle arrangement (1) for edge strip applying device for supplying hot air to an edge strip (2) which is adhesive-free and heat activateable, with nozzle body (3) with air inlet channel (20, 21) connectable to hot air generator to feed pressurized hot air to nozzle body (3), at least two groups (4a, 4b, 4c) of air outlet openings (40), wherein the air outlet openings (40) are formed on air outlet surface (30) of nozzle body (3) at distance from one another in vertical direction, the outlet surface facing edge strip (2), and fluidically connected to at least one air inlet channel (20, 21) such that two groups (4a, 4b, 4c) are spaced from one another in advancing direction of edge strip (2) and hot air fed to the nozzle body (3) discharges out of the air openings (4) and supplied to edge strip (2) functional layer.