wood hardness scale for flooring
The janka hardness scale determines the hardness of a particular type of wood over another. 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.. All these ratings have been organized onto a scale called the janka hardness scale. the janka hardness scale starts at 0 and goes through 4000, with 4000 being an extremely hard wood, so hard it is difficult to saw. the best wood for hardwood flooring typically falls above 1000 on the scale. image source: floorings.com. Below the u.s. forest service list the relative hardness for numerous wood species used in flooring. these ratings were calculated using the janka hardness test, which measures the force needed to embed a .444 inch steel ball to half its diameter in a piece of wood..
wood hardness scale for flooring
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