an elongated rectangular moulding element having a top surface, a bottom surface, and a pair of beveled lateral edges, wherein the bottom surface is configured to be secured to a sub-floor;

a first adhesive band centrally positioned on the top surface of the elongated rectangular moulding element;

a second adhesive band and a third adhesive band, each positioned on opposite sides of the first adhesive band, wherein the second and third adhesive bands are configured to secure a first floor material set and a second floor material set to the top surface of the elongated rectangular moulding element either directly or indirectly respectively; and,

a T-separator configured to adjoin the first floor material set and the second floor material set, wherein the T-separator is secured via a mechanical element adhered to the assembly via the first adhesive band.