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How Hard Is Your Solid Wood Flooring - the Janka Hardness Test Scale
The Janka hardness test is a measurement of the force necessary to embed a .444-inch steel ball to half its diameter in wood. It is the industry standard for measuring the durability of various species to tolerate denting and normal wear.
| Cork |  |
| Douglass Fir |  |
| Mahogany |  |
| Larch |  |
| Pine |  |
| North American Cherry |  |
| North American Walnut |  |
| Black Walnut |  |
| Teak |  |
| Birch |  |
| Beech |  |
| Ash |  |
| Red Oak |  |
| White Oak |  |
| North American Maple |  |
| Maple |  |
| African Oak |  |
| Merbau |  |
| Purple Heart |  |
| Tiger Wood |  |
| Santos Mahogany |  |
| Brazilian Cherry (Jatoba) |  |
| Brazilian Teak |  |
| Brazilian Walnut |  |
