In a drywall corner-trimming assembly providing a "bullnose" configuration, two corner-trimming members and a splice are combined. Each member has a central portion and two flanged portions. The central portion has a generally arcuate profile. Each of the flanged portions extends from one of the lateral edges of the central portion at a step defining a lateral limit of a concave surface of the central portion. The members and the splice are assembled so that the splice straddles such members, so that a portion of one of the expansive surfaces of the splice faces the concave surface of the central portion of each of such members, so that the splice is concealed at least substantially by the central portions of such members are viewed, and so that each of the lateral edges of the elongate splice is pressed firmly against the step at one of the lateral edges of the central portion of each of said members. The splice is secured adhesively to the members, as by adhesive ribbons.
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