Janka Hardness Chart Flooring

The janka hardness scale determines the hardness of a particular type of wood over another.

Janka hardness chart flooring.

The janka chart is commonly used in the flooring industry to compare hardwood flooring types. To learn the basic hardness of different common woods used in flooring check the chart below. It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood. Janka hardness ratings of wood species.

The janka hardness chart was created as a result of the janka hardness test the janka test measures the hardness of wood so that wood species can be compared to one another. Throughout the wood flooring industry the janka hardness chart is recognized as the main source for questions related to the density and relative hardness of both domestic species as well as exotic wood species from around the world. The scale was invented in 1906 by gabriel janka an austrian wood researcher and standardized in 1927 by the american society for testing and materials depending on the room where the flooring will be installed a certain level of hardness may make it a more desirable choice. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring.

Relative hardness of wood flooring species. It is important to remember that the testing process used in the janka scale is an impact test not a test of scratching scuffing or any other wear and tear that flooring experiences.