The platform (engineered/solid) does not affect the quality of the hardwood itself. The engineered platform is useful for going over concrete or below grade, also depending on the species and width this would be the go to platform. Solid is just as good and when considering widths of 5in, 6in, 7in or 8in in the Oaks. It’s a great platform. Read more about engineered vs. solid wide plank floors.