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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 | ![]() |