GAIA WHITE SERIES | SOLID POLYMER CORE (SPC) Gaia White Series SPC represents wood’s natural beauty. With a wood grain embossing directly over the 20 mil with ceramic wear layer, Gaia Flooring White Series is industry leading for durability. The SPC stone based core with luxury sound and heat insulation underlayment, surpasses luxury standards for multilevel estates. Waterproof and guaranteed in all rooms in your home and all regular commercial.