Janka Hardness Chart Flooring

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 chart flooring.

To learn the basic hardness of different common woods used in flooring check the chart below. 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. The type of construction and finish also play an important role in the durability and ease of maintenance of any wood floor. 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. 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. The janka chart is commonly used in the flooring industry to compare hardwood flooring types.

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. Although this janka hardness test is one of the best methods to measure the ability of wood species to withstand indentations it should be used only as a general guide when comparing various species of wood flooring.