What Is the advantage of engineered products over solid products?

In general, engineered products can be installed in any room in the home, whether on-grade, below-
grade or above-grade.
Engineered products can be nailed down, glued down, stapled down or some can be “floated” over most
subfloors without the use of nails or adhesives, making it ideal for remodeling.
Solid products are not recommended for below grade installations and must be nailed down or glued
down.