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  1. 30 Ιουν 2015 · Alder on the other hand is usually very consistent as far as its weight is concerned from piece to piece. The list below is sorted by hardness, softest to lightest. Also note that we’ve not yet included all the woods from the last chart listed; those will be inserted below soon.

  2. Our chart is based on the Janka Hardness Scale which is the industry standard for gauging the ability of various wood species to resist denting and tolerate normal wear. It also indicates the effort required to either nail or saw the particular wood species.

  3. Acacia wood, a cherished material for flooring, boasts a respectable Janka hardness rating – around 1,700 pounds per square inch (psi) on average. To put this into perspective, some popular hardwood species, like oak, clock in at around 1,290 psi.

  4. We have found this to be one of the best measures of the ability of wood species to withstand denting and wear. It is also a good indicator of how hard a species is to saw, nail, or machine.

  5. 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 wood to half of its diameter.

  6. This chart shows the wood hardness, also known as the Janka scale, of all popular wood species used in decking, siding and flooring applications.

  7. Below are listed the relative hardness for numerous wood species used in flooring. These ratings were done using the Janka Hardness Test. The Janka hardness test measures the force required to embed a .444 inch steel ball to half its diameter in wood.

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