Kit for defining a recess for a single or multi-way joint

A structural joint, in a building frame, made from a kit, defining one or more recesses in said joint, said recesses configured to accept and attach to structural elements of said frame when portions of the structural elements of the frame are placed within the recesses and attached to said joint, the kit comprising:

• first and second panels for respectively defining first and second faces of the one or more recesses between the first and second panels in use;
• one or more intermediate panels, each defining an intermediate face extending between the first and second faces of at least one of the one or more recesses in use;
• one or more pairs of first and second slots, wherein each slot is contained completely within and extending through each of the first and second panels respectively, configured to receive one of the one or more intermediate panels in use;
• wherein, each of the one or more intermediate panels comprises first and second notches configured to receive edges of the first and second pair of slots respectively in use, and further comprising locking means located between an edge of a slot and a respective notch, for securing edges of the first and/or second slots within the first and/or second notches, so as to form an interlocked configuration of the first and second and intermediate panels;
• a support panel for connecting the first and second panels as a unit to one or more external structural elements outside of the one or more recesses and wherein the first and second panels each comprise a notch for receiving a portion of the support panel in use;
• and, wherein,
• the interlocked panels define the one or more recesses having said first and second faces within the joint, and which recesses are configured to receive and attach structural elements of the frame.