Abstract: Mattress foundations, mattress foundation kits, and related methods are disclosed. In some embodiments, a mattress foundation kit may include four frames, corner members, at least one interior support member, and at least two deck panels. Each frame may include a first elongated member, a second elongated member, and a connective structure coupling the first elongated member to the second elongated member. Each corner member may be configured to couple a first end of an elongated member of a frame of the four frames to a second end of an elongated member of another frame. At least two frames may be configured to support an end of the at least one interior support member. Additionally, each deck panel may be sized and configured to extend at least partially over at least one frame of the four frames and the at least one interior support member.

Abstract: A screed mold method for continuously or periodically molding thermoplastic material into a cushioning element is disclosed.