Birch Hardwood Janka Rating

The janka hardness scale determines the hardness of a particular type of wood over another.

Birch hardwood janka rating. Woods with a higher rating are harder than woods with a lower rating. Blue ash has the highest janka rating at 2 030 with a specific gravity of 0 58. 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.

Russian birch also referred to as baltic birch is generally regarded as being of a higher quality than standard birch plywood. Due to its unique construction core layers of birch veneers form a void free core. The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter. 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.

Still the very impressive janka ratings accurately depict the excellent durability of these non wood flooring products. Both have a 1290 rating on the janka hardness scale. Birch yellow 1260 cherry domestic black 950 bloodwood 3300 imbuia 950 bocote 2200 maple soft 999 brazilian tiger mahogany 3840 teak plantation 1000 brushbox northern 2045 cherry africa makore 1010 bubinga 1980 ash victorian 1010 butternut 490 walnut domestic black 1010 camaru brazilian teak 3540 oak tasmainian 1010. 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 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 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. Online or in store. Among maple birch poplar and ash sweet birch has the highest specific gravity at 0 65 with a janka measurement of 1 470.

The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring. 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. It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood.

Birch wood flooring is one of the most popular and most common hardwood flooring species.