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| Janka Hardness Ratings The Janka (or side) hardness test measures the force required to embed a .444-inch steel ball to half its diameter in wood. It is one of the best measures of the ability of a wood species to withstand denting and wear. By the same token, it is also a good indicator of how hard or easy a species is to saw or nail. Northern red oak, for example, has a Janka hardness rating of 1290. Brazilian cherry, with a rating of 2350, is nearly twice as hard. If you're accustomed to working with red oak and decide to tackle a job with Brazilian cherry, you can expect it to be much harder to cut and nail. |
| Species | Janka Rating |
| Data is from The National Wood Flooring Association "Wood Species Used in Wood Flooring" |
View Dimensional Change Coefficients by Specie |
© Erickson's Flooring & Supply
1013 Orchard Street,
Ferndale, MI 48220
Ph: 866-541-9663 Fax: 888-543-9663
Ph: 866-541-9663 Fax: 888-543-9663