A common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample …

I have amassed over 500 wood species on a single poster, arranged into eight major geographic regions, with each wood sorted and ranked according to its Janka hardness.

The Janka hardness test is a measure of the hardness of wood. It’s an important metric in the lumber industry, used to determine the durability and strength of different types of wood.

The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. The Janka test measures the amount of force required to embed a 0.444" steel ball into the …

When in doubt about the type of wood to select for your cabinetry, flooring, furniture or millwork project, refer to the Janka Rating System, which measures the relative hardness of woods.

Oct 1, 2025 · The pounds of force (or newtons if you’re using the metric system) needed to push the ball to the center is the Janka value you end up with. It’s a great way to measure how resistant a piece of …

Jul 21, 2025 · The Janka hardness test determines how hard or soft a wood species is by measuring resistance to penetration. This standardized test provides numerical ratings, helping you compare …

The Janka test measures the force required to embed an 11.28mm steel ball halfway into a piece of wood. The higher the amount of force needed, the higher the Janka score and the more durable the …

Jul 16, 2025 · The Janka hardness scale is an essential tool for anyone working with wood. By understanding these ratings, you can make informed choices that balance beauty, durability, and …

Explore the meaning of Janka hardness, its implications for decking applications, and key factors to consider when choosing the right wood for your project.