Janka Hardness Scale
The Janka Scale gives the user a good
indication of a wood's resistance to wear and denting. The
Janka Scale (Janka hardness test) is a measurement of the force
necessary to embed a .444-inch steel ball to half its diameter in wood.
The Janka Scale is the industry standard for gauging the ability
of various species to tolerate denting and normal wear, as well as being
a good indication of the effort required to either nail or saw the
particular wood. Utilizing the
Janka Scale will help you in your hardwood flooring selections.