JANKA HARDNESS SCALE PDF

The Industry Standard for Hardness The hardness of a wood is rated on an industry wide standard known as the Janka test. The Janka test measures the force. The Janka Scale is a comprehensive chart of hardness ratings for a huge variety of wood species used for hardwood floors. Learn how to read it and how it. 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.

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Jank Hardness Scale The Janka scale rates the relative hardness of wood. The chart is not to be considered an absolute; it is meant to help people understand which woods are harder than others.

Views Read Edit View history. Hardness information is in chapter 5. Aspiring wood nerds be advised: How Stable is Your Wood? Statistics below compare the janka hardness ratings for hardwood and bamboo flooring products.

Janka hardness

The actual number listed in the wood profile is the amount of pounds-force lb f or newtons N required to imbed a. Alden Softwoods of North America. In Sweden it is apparently in kilogram-force kgfand in Australia, Janka hardness ratings are either in newtons N or kilonewtons kN. With the rising popularity of bamboo as flooring, the Janka test harddness been forced to include the diverse ratings for different bamboo floors. I had a question — At what measure of hardness is a wood gardness as a hardwood or softwood?

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Frame and panel Frameless construction. The test measures the force required to push a steel ball with a diameter of I was wondering your thoughts on a butcher block counter. We show the common name preferred by the Forest Products Laboratory.

February 4, at 8: This page was last edited on 4 Decemberat Green, Marshall Begel and William Nelson. Sometimes the results are treated as units, e. Angiosperms are referred to as hardwoods, while gymnosperms aka conifers are softwoods.

Janka Hardness Scale | Superior Hardwood Flooring

Are you an aspiring wood nerd? But as you said, there are a lot of other properties that are more important than hardness, one of which is shock resistance. Site by Orchard Design. hardnesx

Retrieved from ” https: So, this would measure the sczle of a wood be bulletproof? We have all the information you need to review your wood and find out which wood is best for you. The Janka test is often used to deduce bamboo flooring hardness. The results are stated in various ways, which can lead to confusion, especially when the actual units employed are often not attached.

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This should only be used as a general guide when comparing various species of wood flooring. The Janka hardness test from the Austrian-born emigrant Gabriel Janka, measures the resistance of a sample of wood to denting and wear. Forest Products Laboratory, September Who could imagine a wood species that is harddness three times harder than White Oak?

History Glossary Wood lumber. The results are stated in various ways in different countries, which manka lead to confusion, especially since the name of the actual unit employed is often not attached. There are many things to consider when choosing your wood, including the hardness, natural colour of the wood, the grain and the stability.

Sometimes the results are treated as units, e. A measure of the hardness of wood, produced by a variation on the Brinell hardness test. Janka Hardness Chart listed softest to hardest click for enlarged pdf file.

So just wanted to check with you too. Retrieved 18 March Common names are unreliable since two or more species often have the same common name.

Bamboo Flooring Janka Hardness Scale.