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Hardwood Hardness

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Below are listed the relative hardness for numerous wood species used in flooring. These ratings were done using the Hardness Test, which measure the force needed to embed a .444 inch steel ball to half its diameter in a piece of wood.

The higher the number the harder the wood. Although this is one of the best methods to measure the ability of wood species to withstand indentations, it should be used as a general guide when comparing various species of wood flooring.

The construction and finish also play an important role in the durability and ease of maintenance of any wood floor.

Hardwood styles are the result of the wood species available. Some of the more common species are red oak, white oak, maple, cherry, white ash, hickory or pecan.

Each species has its own unique graining and texture. The graining on the boards is determined by the way it has been cut.

There are two cutting processes. “Sliced Cut” shows a more uniform pattern, whereas “Rotary Cut” displays a larger and bolder graining pattern.

Janka Hardness Test

Wood Species
Hardness Rating
Douglas Fir
660
Southern Yellow Pine (short leaf)
690
Southern Yellow Pine (Long leaf)
870
Black Cherry
950
Teak
1000
Black Walnut
1010
Heart Pine
1225
Yellow Birch
1260
Red Oak (Northern)
1290
American Beech
1300
Ash
1320
White Oak
1360
Australian Cypress
1375
Hard Maple
1450
Wenge
1620
African Pedauk
1725
Hickory
1820
Pecan
1820
Purpleheart
1860
Jarrah
1910
Merbau
1925
Santos Mahogany
2200
Mesquite
2345
Brazilian Cherry-Jatoba
2350