Extremus series of LUXUSflor is engineered stone polymer core construction process consists of balancing layers of vinyl below and above the core. eSPC core is much more stable dimensionally in terms of performance and provides better underfoot feels. The best thing about the eSPC structure is that it keeps the rigid character of SPC and adds the soft touch of LVT. This is a premium eSPC that offers better embossing options, great sound absorption and a thicker product overall.