Birch Hardwood Janka Rating

The scale was invented in 1906 by gabriel janka an austrian wood researcher and standardized in 1927 by the american society for testing and materials depending on the room where the flooring will be installed a certain level of hardness may make it a more desirable choice.

Birch hardwood janka rating.

The janka hardness scale determines the hardness of a particular type of wood over another. It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood. Blue ash has the highest janka rating at 2 030 with a specific gravity of 0 58. The janka hardness test from the austrian born emigrant gabriel janka 1864 1932 measures the resistance of a sample of wood to denting and wear.

Birch has a janka rating close to that of red oak allowing for a great alternative to the standard and the color variation from light to dark with natural. Birch hardwood flooring shares the qualities of other north american wood such as oak and maple but has special characteristics that make it an excellent choice for flooring in the home. The janka hardness test is often applied to bamboo and eucalyptus flooring products after manufacturing a process that artificially hardens the material by the addition of resins. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring.

Both have a 1290 rating on the janka hardness scale. The scale used in the table is pounds force. The birch species can be divided into two subspecies that are most often used for flooring the yellow birch and the red birch. Online or in store.

Get 4 free online samples with free shipping. Still the very impressive janka ratings accurately depict the excellent durability of these non wood flooring products. Russian birch is also known for its combination of strength and visual appeal. Among maple birch poplar and ash sweet birch has the highest specific gravity at 0 65 with a janka measurement of 1 470.

Birch wood flooring is one of the most popular and most common hardwood flooring species. The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Russian birch also referred to as baltic birch is generally regarded as being of a higher quality than standard birch plywood. Woods with a higher rating are harder than woods with a lower rating.

Sugar maple black maple sweet birch yellow birch and white ash are all strong hardwoods.