Janka Hardness -Hardwood flooring durability


While there are many factors to consider when choosing your
hardwood flooring, durability of your hardwood is definitely one
factor to think about.  The harder a wood is, the more durable
and strong it tends to be.  A very popular choice is red oak;
such that it has become the benchmark in measuring wood
flooring hardness.  Each hardwood species and type has it's
own characteristics andstrength.

Janka is a test that measure the hardness of a wood.  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, thereby giving an idea
of it's hardness and durability.

The higher the number, the harder the wood.

So. Yellow Pine                                 690

American Cherry                               950

Teak                                              1000

Black Walnut                                  1010

Carbonized/ Carmel Bamboo            1120

Heart Pine                                      1225

Yellow Birch                                    1260

Red Oak (Northern)                         1290

American Beech                              1300

Ash                                               1320

White Oak                                      1360

Australian Cypress                          1375

Natural Bamboo                              1410

Hard Maple                                     1450

Brazilian Oak                                   1460

Brazilian Maple                                1500

Hickory/ Pecan                                1820

Purple heart                                     1860

Moabi                                             2050

South American Pearwood                2100

Tigerwood                                      2160

Santos Mahogany                           2200

Tatajuba                                        2220

Jatoba (Brazilian Cherry)                  2760

Tiete Rosewood                              3200

Cumaru (Brazilian Teak)                   3540

Ipe (Brazilian Walnut)                      3680
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