Complex sentence: With the increased use of concrete as a subfloor in some parts of the world engineered wood flooring has gained some popularity however in areas where homes traditionally have full basements solid wood floors are still common.
Split into simpler sentences: With the increased use of concrete as a subfloor in some parts of the world, engineered wood flooring has gained some popularity. However, in areas where homes traditionally have full basements, solid wood floors are still common.