Janka Hardness Test Wood flooring Wood Qualtiy of Wood

Janka Hardness Test Wood flooring Wood Qualtiy of Wood

Janka Hardness Test

The Janka Hardness Test for Hardwoods

When you have to make a choice regarding the quality of wood to use, many people will choose what they refer to as the best wood available. There are many aspects that you may need to consider when looking for the best in terms of quality. These may be issues such as durability, hardness, etc. since people want a guide that will make it easy for them to calculate the qualities, they need to be aware of the Janka hardness test in order for them to choose appropriately.

Know wood quality through Janka hardness test

The Janka hardness test refers to a range of hardness that ranges from about 350 to 3800 which is in reference to the tenacity of the wood species used especially to do with wood flooring. A good example of some of the most popular species of wood that are popularly used in the USA include red oak which has a hardness of 1250 and the harder Brazilian cherry with a hardness of 2350 Janka hardness. It is this calculation referring to the quality of different kinds of wood that will be used in determining the cost of the said material. This is one of the determinants you need to know about when shopping for wood floor pallets.

The working of the Janka hardness test is such that hardness of the wood is done by the use of a steel ball that is about 11.28 mm and a piece of wood of any kind which is of a similar diameter. What the hardness test looks to discover is what kind of indentation it leaves, or in other words the ability of the wood piece to withstand being dented and worn out by the steel ball. This gives an indication to professionals working in the wood industry how much a particular kind of wood is going to be resistant to nailing or sawing.

Janka Hardness Test Measure the Hardness of Hardwood Floors

Janka Hardness Test Wood flooring Wood Qualtiy of Wood

What is known to determine the Janka hardness is in relation to the direction and density of wood grain. The Janka hardness test is usually done perpendicularly in relation to the grain which is often to be referred to as the side hardness. There is also another test that may be done on stumps that is aptly known as the end hardness test.  Even though the results that are procured from the Janka hardness test can be a little confusing, any lay person can safely depend on the available Janka hardness ratings to make decisions regarding what kind of wood they may want to use.

One of the places where the Janka hardness test comes in very handy is the area of wood flooring which is gaining a lot of popularity these days.  The testing for Janka hardness is usually done on floors that have already been fixed and set in place. Some of the most popular wood species used in the USA for wood flooring whose Janka hardness tests are known include:

  • Patagonian Rosewood                      3840
  • Brazilian Tiger Mahogany              3840
  • Brazilian Ebony                                  3692
  • African Pearl wood                           3680
  • Bolivian Cherry                                  3650
  • Lapacho                                                 3640
  • Southern Chestnut                       3540
  • Ebony                                                     3220
  • Brazilian Redwood                           3190
  • Red Mahogany, Turpentine        2697
  • Southern Chestnut                          2670
  • Spotted Gum                                      2473
  • Brazilian Cherry                               2350
  • Mesquite                                             2345
  • Golden Teak                                  2330
  • Santos Mahogany,                          2200
  • Pradoo                                                 2170
  • Brazilian Koa                                    2160
  • Brazilian Walnut                             2140
  • Karri                                                   2030
  • Sydney Blue Gum                         2023


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