Jul 03, 2015 wood hardness chart bigger, better, more woods july 3, 2015 june 30, 2015 by best bass gear with our last wood hardness chart, several noted that there were certain woods missing that should be in the list, so weve expanded the list to 224 different species. It is the industry standard for gauging the ability of. In the uk, the primary way of measuring the hardness of a species of bamboo or wood is by using the janka hardness test. For example, balsa wood, which is extremely lightweight and used for crafts, is one of the lowest on the scale at 100 lbs. The test measures the force required to push a steel ball with a diameter of. Throughout this guide, youll read about hardwood flooring based on its janka rating or the janka hardness scale. It is the industry standard for gauging the ability of various species to tolerate denting and normal wear, as well as being a good indication of the effort required to either nail or saw the. Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion. The janka hardness scale should not be the deciding factor on which wood you will use for floors. Hardness, or janka value is measured with a test of resistance of a sample of wood to denting and wear. Janka hardness of a given wood species is defined by a resistance to indentation test. The hardness of wood varies with the direction of the wood grain. Acacia mangium, more commonly known as black wattle in the us, has a 1750 janka hardness rating and is dried to 12 percent moisture for use as flooring. It is the industry standard for gauging the ability of various species to tolerate.
Janka wood hardness scale janka rating for all species. The actual number listed in the wood profile is the amount of poundsforce lb f or newtons n required to imbed a. Janka hardness of a given wood species is defined by a resistance to indentation test as measured by the load pounds of pressure required to embed a 11. The janka hardness test measures the resistance of a sample of wood to denting and wear. Understanding the janka rating scale best laminate. This scale is the worldwide standard for gauging the ability of various species of wood to endure normal wear and tear. The test computes the pounds of force lbf one requires to drive one 0. If you have children or animals, very soft wood like pine.
To see how different wood types rate in terms of hardness, use this. The brinell test is very useful for construction materials. The janka scale ranks the hardness of a wood species. Complete listing of janka ratings for exotic and domestic hardwoods. Janka hardness scale definition and applications man of. The janka rating is a measure of the amount of force required to push a. When selecting hardwood floors, consider your home or office layout and traffic patterns. To give some quantification to the issue of wood species hardness, the lumber industry created the janka hardness scalea standard now widely accepted as the best means of ranking a woods hardness.
Wood hardness chart species alphabetical hardness species by hardness hardness mahogany, honduran 800 padauk 1725 mahogany, santos 2200 tabaccowood 1750 maple, hard north american. Common red oak with an average janka rating of 1290 is the industry benchmark lor comparing the relative hardness of different wood species bamboo tested on morning star bamboo brand which uses a more mature bamboo 4 year minimum the most commonly used test to assess the hardness of wood is the janka rating. The janka wood hardness scale is a way to measure a woods resistance to dents, scratches and wear. The janka test was developed as a variation of the brinell hardness test. Janka hardness scale the janka hardness test is a measurement of the force necessary to embed a. Janka hardness scale definition and applications man. Janka hardness scale janka hardness measurements reflect the number of pounds pressure it takes to press a. The janka hardness test is the industry standard for determining the ability of a particular timber species to withstand denting and wear.
The janka hardness scale determines the hardness of a particular type of wood over another. The highest rating on the scale is a 4000, making for an extremely hard wood, also not likely suitable for flooring because. The janka hardness scale is determined by a controlled test, performed to measure the force necessary to embed a. How to annotate a pdf for free in adobe reader youtube. The test measures the force jqnka to push a steel ball with a diameter of so just wanted to check with you sxale. A measure of the hardness of wood, produced by a variation on the brinell hardness test. In laymans terms it is a way to measure a woods resistance to denting. Using the janka hardness scale to understand hardwood flooring. These figures are a good indicator of how resistant the. It is one of the best measures of the ability of a wood species to withstand denting and wear. The janka hardness scale runs from zero softest to 4,000 lbs hardest. The janka scale gives a good indication of how well a wood species can be expected to withstand dents and dings.
It is one of the best measures of the ability of a wood species to withstand dent ing and wear. Similar to a laminate ac rating, the hardwood floor hardness determines the durability of the species. The janka hardness scale starts at zero, with this option being the softest wood choice, making it easy to dent and scratch. What is the janka hardness scale for bamboo flooring. The janka scale ranks the hardness of a wood species the spruce. Hardwood flooring hardness guide janka hardness scale. The janka hardness scale is commonly used in the flooring industry as a way to compare types of hardwood flooring for both practical durability and for the woods. It is the industry standard for gauging the ability of various species to tolerate denting and normal wear, as well as being a good indication of the effort required to either nail. The janka hardness test is a measurement of the force necessary to embed a. The janka rating scale was created to rank the various degrees of hardness throughout the different species of hardwoods. When it comes to making a distinction between wood which is suitable for wooden floors and the rest we simply refer to hardwood and softwood. The janka test measures the amount of force needed to drive a 0. The janka chart is commonly used in the flooring industry to compare hardwood flooring types.
The higher the janka rating number the greater the hardness. The janka hardness scale is a tool used to gauge the relative hardness and strength of various different species of hardwood. It is a complex test which consists of driving a small steel ball 11. The janka test is a measure of the hardness of wood. A common use of janka hardness ratings is to determine whether a species. Wood hardness chart bigger, better, more woods ebass. The janka hardness test from the austrianborn emigrant gabriel janka, 18641932 measures the resistance of a sample of wood to denting and wear. In essence, the higher the number on the scale, the harder the wood. It was developed as a variation of brinell test measurement method of hardness of metals. The janka scale can help you choose an appropriate wood for your project.
The higher the force one needs in order to push the ball halfway into the wood, the harder it is. Jun 30, 2015 the janka rating scale was created to rank the various degrees of hardness throughout the different species of hardwoods. For example, turkish researchers measured janka hardness and brinell hardness for eastern beech and then used linear regression to determine how closely they were related. The janka test measures the amount of force required to embed a 0.
The thing it has solved is some of the issues that have evolved from it. Janka hardness poundsforce australian buloke 5060 schinopsis balansae quebracho colorado red quebracho 4570 lignum vitae guayacan pockenholz 4500 patagonian rosewood curupay angico preto piptadenia macrocarpa brazilian tiger mahogany 3840 snakewood letterhout piratinera guinensis 3800 brazilian olivewood 3700 brazilian. Janka hardness scale learn how hard each wood species is. But actually there is more because the total number of wood. Relative hardness of selected wood flooring species ranked by janka hardness rating 3680 3540 the janka or side hardness test measures the force required to embed a. Janka hardness measurements reflect the number of pounds pressure it takes to press a. Meyers hardness test determined the fundamental measure of violence depending on the average pressure applied to induce reentry. It is the industry standard for gauging the ability of various species to tolerate denting and normal wear, as well as being a good indication of the effort required to work nail, saw, carve, etc. The average janka hardness n15 of accoyatm wood and untreated radiata pine. Janka hardness scale for wood flooring species county floors. Hardwood flooring buying guide basics of buying by. The janka hardness scale often referred to as the janka hardness list is an industry wide measurement of the hardness of wood. The scale was created to show the janka hardness test results.
Feb 18, 2015 the janka hardness scale is also an excellent indicator of the effort required to drive a nail through a particular type of wood. Does hardwood floor hardness matter lauzon flooring. The janka hardness chart was created as a result of the janka hardness test. The test also determines how well wood can withstand dents, dings, and wear.
Results no difference in janka hardness was found for thickness values of 1, 1. Janka hardness chart click to load enlarged pdf file. F101 janka hardness scale lumber liquidators flooring co. Though no wood on the scale has this rating, a rating like this would not make for a good floor. This rating is reached by measuring the force required for a. The janka test measures the hardness of wood so that wood species can be compared to one another. The higher the number, the harder and generally more durable the wood will be. Timber wear, tear and hardness including janka ratings june 25, 2014 when searching for a new timber floor, most people are looking for something that is hard wearing, however. The janka or side hardness test, measures the force poundssquare inch required to embed a. The janka scale is used to determine the relative hardness of particular domestic or exotic wood species.
The janka hardness test is used to measure the capacity of different species of wood to withstand pressure. It is the industry standard for gauging the ability of various species to tolerate denting and normal wear, as well as being a good. This test measures the force required to embed an 11. Wood hardness chart species alphabetical hardness species by hardness hardness mahogany, honduran 800 padauk 1725 mahogany, santos 2200 tabaccowood 1750 maple, hard north american 1450 rosewood, bolivian 1780 maple, ivory 1500 bamboo, carbonized 1800 maple, soft 999 hickory 1820 merbau 1925 pecan 1820 mesquite 2345 yellowheart 1820. Woods with a low rating on the wood hardness scale are those that will dent and scratch most easily.
The test measures the amount of force required to embed a. The janka test is often used to deduce bamboo flooring hardness. By ll flooring on october 27, 2014 bamboo, flooring, hardwood, janka, products share. Hickory pecan, satinwood 1820 afzelia doussie australian wormy chestnut 1810 bangkirai 1798 rosewood 1780 african padauk 1725 blackwood 1720 merbau. The scale was invented in 1906 by gabriel janka, an austrian wood researcher, and standardized in 1927 by the. Janka hardness chart for exotic wood and domestic wood. These figures are a good indicator of how resistant the wood is to denting and wear.
Its important to inquire about both the finish and the hardness. A harder wood will stand up to high traffic or heavy use better than a softer wood, but it will also be more difficult to sand or hammer a nail into. Basically, the scale should be used as an overall guide for durability. Woods with a higher rating are harder than woods with a lower rating. To give some quantification to the issue of wood species hardness, the lumber industry created the janka hardness scalea standard now widely accepted as the best means of ranking a woods. The scale is determined by the amount of poundforce required to push a.
The janka hardness scale not just a number gaylord flooring. Although not exact, the scale is a good reference for which hardwood can. Hardwood and bamboo janka ratings ll flooring blog. Common red oak with an average janka rating of 1290 is the industry benchmark lor comparing the relative hardness of different wood. Here we will present to you our hardwood flooring hardness guidelets begin. The number of pounds per square inch psi needed to push the steel ball into the wood determines the janka rating. Raspberry jam acacia has a janka hardness rating of 3100 and a very low 5. The industry standard method for determining the hardness of wood products is called the janka hardness test. Timber wear, tear and hardness including janka ratings. Welcome to our janka hardness scale for bamboo and eucalyptus flooring page. Janka hardness scale for wood side hardness chart of some woods usda wood handbook. The hardness of a timber is measured by the janka hardness test. Janka hardness using nonstandard specimens treesearch. The scale can be helpful when picking a wood for high traffic areas.
Janka hardwood scale this scale is the worldwide standard for gauging the ability of various species of wood to endure normal wear and tear. Testing is done on samples, not on actual flooring. The higher the janka rating, the more resistant that particular wood is. While a harder wood will be more durable, it will also be harder to work with. The janka hardness test is the hardness level given to each species. Janka events, although mainly used for hardwood species, are often used to measure the density of bamboo floors. The janka hardness test measures the resistance of a type of wood to withstand denting and wear. The janka scale has done a good job in giving a broad reference to relative hardness.
Scale or resize printed pages in acrobat and reader adobe support. This method results in an indention 100 square millimeters in size. Janka hardness test measure the hardness or density of wood. Acrobat can size the pages of a pdf to fit the selected paper size. Ted from talks about the janka hardness test for hardwood floors what it is and how it can help you find the perfect floor. The janka hardness scale not just a number gaylord. The test measures the force required to push a steel ball with a diameter of 11. Nov 05, 2007 the janka hardness scale is a measurement of the force necessary to embed a. The janka hardness scale is a measurement of the force necessary to embed a. To find this number, a steel ball is pushed halfway into a 2 x 2 x 6 wood plank. Similar to a laminate ac rating, the hardwood floor hardness. The hardness of solid wood is measured according to a system called the janka scale.
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