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Hardwood Janka Hardness Rating

Hardwood Flooring Janka Hardness Rating
About Janka Hardness

Janka hardness ratings are a measure of the hardness of wood , produced by a variation on the Brinell hardness test. The test measures the force required to push a steel ball with a diameter of 11.28 millimeters (0.444 inches) into the wood to a depth of half the ball's diameter. The results are stated in various ways in different countries, which can lead to confusion, especially since the name of the actual units employed is often not attached. In the United States, the measurement is in pounds-force.

The most common use of Janka hardness ratings is to determine whether a species is suitable for use as hardwood flooring. Essentially this measures a wood's density and thus its dent resistance – so the higher the number the less likely a floor is to dent. It’s important to understand that while hardwood floors are tough; when it comes to indentations no floor is impervious to damage. Certain species of wood, are less likely to dent, but when they do, harder species will have shallow dents when compared to average or softer species of wood.

Hardness Rating & Species
3680   Brazilian Walnut (Ipe)
3540   Brazilian Teak (Cumaru)
3280   Tiete Rosewood
3170   Rosewood
3060   Lapacho
3040   Angelim
3000   Brazilian Rosewood
2990   African Pearwood
2947   Amendoim
2890   Ironwood
2473   Spotted Gum
2350   Brazilian Cherry (Jatoba)
2300   Caribbean Rosewood
2200   Santos Mahogany (Cabreuva)
2170   Asian Rosewood
2160   Tiger Wood
2140   Sucupira
2090   Purple Heart
2048   Asian Pine
2040   Pradoo
2025   Sydney Blue
1980   African Rosewood
1950   Pyinkado
1925   Merbau
1910   Jarrah
1820   Pecan
1820   Hickory Pecan
1770   Doussie
1770   Afzelia
1725   Padauk
1725   African Oak
1710   Kempas
1654   Brazilian Hickory
1640   Thatch
1640   Balau
1630   African Wenge
1600   Peroba
1570   Timborana
1500   African Sapele
1500   Brazilian Maple
1450   Maple
1450   North American Maple
1375   Australian Cypress
1360   White Oak
1320   Ash
1300   Beech
1290   Angelique
1290   African Walnut
1290   Angelique Teak
1290   Red Oak
1260   Yellow Birch
1260   Kambala
1260   Iroko
1260   Birch
1260   Yellow Birch
1195   Nyatoh
1155   Tiete Chestnut
1155   Teak
1155   True Teak
1125   Brazilian Eucalyptus
1018   Curupixa
1010   Walnut
1010   Black Walnut
1010   African Cherry
1010   North American Walnut
950   Cherry
950   North American Cherry
880   Tauari
880   Bangkirai
870   Pine
830   Elm
800   Larch
800   Honduran Mahogany
800   Mahogany
765   African Cedar
650   Douglass Fir
540   Chestnut
420   White Birch
410   Basswood