Timber Floor Hardness Rating

The janka hardness test is the industry standard for determining the ability of a particular timber species to withstand denting and wear.

Timber floor hardness rating. The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter. The scale used in the table is pounds force. 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. Even though a janka rating of 8 is considered hard many australian timber species achieve ratings of 12 and above.

Forest service list the relative hardness for numerous wood species used in flooring. Janka hardness ratings of wood 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. The janka hardness test from the austrian born emigrant gabriel janka 1864 1932 measures the resistance of a sample of wood to denting and wear. The higher the janka rating the harder the timber species.

The janka hardness scale determines the hardness of a particular type of wood over another. The janka hardness test measures the force required to embed a 444 inch steel ball to half its diameter in wood. This is done by testing the floor s resistance by measuring how much pressure is needed to embed an 11 28 millimetre ballbearing halfway into the boards surface. Woods with a higher rating are harder than woods with a lower rating.

A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring. In general terms a medium density timber will have a janka rating of 4 to 8 whilst a high density timber achieves a rating of 8. Below are listed the relative hardness for numerous wood species used in flooring. The janka hardness scale is a test used to determine the hardness and density of a hardwood timber and bamboo floor.

The hardness of a timber is measured by the janka hardness test. It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood. These ratings were done using the janka hardness test. The janka scale is used to determine the relative hardness of particular domestic or exotic wood species.

Wood hardness chart species alphabetical hardness species by hardness hardness mahogany honduran 800 padauk 1725 mahogany santos 2200 tabaccowood 1750 maple hard north american 1450 rosewood bolivian 1780 maple ivory 1500 bamboo carbonized 1800 maple soft 999 hickory 1820 merbau 1925 pecan 1820 mesquite 2345 yellowheart 1820.