Abstract: A floor curing apparatus is disclosed, including an ultraviolet lamp, a replaceable reflector configured to direct light energy transmitted from the ultraviolet lamp, the replaceable reflector including one of a plurality of interchangeable reflectors, a shutter mechanism configured to selectively move a shutter to expose the ultraviolet lamp and the reflector toward a surface upon which the floor curing apparatus operates, and wheels. The ultraviolet lamp and the reflector height from the floor surface are maintained at a predetermined distance above the surface. The plurality of interchangeable reflectors provides varying transmission characteristics.