An apparatus for applying a two-component liquid composition to a surface has a housing having an open end, an inner surface and an outer surface, an applicator retained in the housing and projecting through the open end, two containers removably mounted to the inner surface of the housing, each container having a dispensing nozzle extending through an aperture in the housing and arranged adjacent the applicator. There is a cutting device arranged on the housing adjacent the nozzles, the cutting device having at least one blade, wherein pressing the cutting device causes the blades to pierce the nozzles and allow contents of the containers to exit the containers and flow to the applicator.