Abstract: A door having a plurality of channel-shaped frame members encircling a core and being coupled to one another by interfitting dimples and projections at the confronting ends of adjacent frame members. On opposite sides of the core are panels having lips which are accommodated in grooves formed in the frame members. The components of the door may be assembled without the need for any tools and such components may be maintained in assembled condition without the use of separate fastening devices such as bolts, nails, screws, and the like, or any fixtures or measuring devices.