Janka Hardness Scale

The Janka Hardness Scale is the industry standard for determining the hardness of different species of wood. We find it useful to determine their suitability for use as log cabin flooring. The higher the number, the harder the wood.

The Janka Scale measures the force required to embed an 11.28 millimeter (0.444 inch) steel ball to a depth equal to half its diameter into the wood being tested, resulting in an indentation exactly 100 square millimeters in size.

The test gives a good indication of the wood's resistance to normal wear and tear and denting, and it also shows how difficult it is to work with as far as nailing and sawing.

Since the hardness varies according to the direction of the grain, the test can be performed on the side or the end grain.

The same woods grown in different environments have different hardnesses. Canadian woods are harder than American woods because of the shorter growing season.

This table shows the Janka Hardness Scale of various woods and gives an indication of the suitability of the wood for use as flooring. A higher number means that the wood will show less wear and is less easily dented. This is one factor to consider in your choice of log cabin flooring.

No. Wood Flooring Species Hardness
1. Brazilian Walnut (Ipe) 3684
2. Brazilian Teak (Cumaru) 3540
3. Ebony 3220
4. Brazilian Redwood (Paraju) 3190
5. Angelim Pedra 3040
6. Brazilian Rosewood (Tamarindo) 3000
7. Red Mahogany 2697
8. Spotted Gum 2473
9. Brazilian Cherry (Jatoba) 2350
10. Mesquite 2345
11. Santos Mahogany (Bocote) 2200
12. Bubinga 1980
13. Merbau 1925
14. Purpleheart 1860
15. Tigerwood 1850
16. Hickory 1820
17. Rosewood 1780
18. African Padauk 1725
19. Blackwood 1720
20. African Oak 1720
21. Kempas 1710
22. Locust 1700
23. Highland Beech 1686
24. Wenge (Red Pine) 1630
25. Hard Maple (Sugar Maple) 1450
26. Coffee Bean 1390
27. Natural Bamboo 1380
28. Australian Cypress 1375
29. White Oak 1360
30. Ash (White) 1320
31. American Beech 1300
32. Red Oak (Northern Oak) 1290
33. Caribbean Heart Pine 1280
34. Yellow Birch 1260
35. Movingui 1230
36. Heart Pine 1225
37. Andiroba 1220
38. Carbonized Bamboo 1180
39. Cocobolo 1136
40. Brazilian Eucalyptus (Rose Gum) 1125
41. Black Walnut 1010
42. Teak 1000
43. Sakura 995
44. Black Cherry 950
45. Boire 940
46. Paper Birch 910
47. Cedar 900
48. Southern Yellow Pine (Longleaf Pine) 870
49. Southern Yellow Pine (Loblolly Pine and Shortleaf Pine) 690
50. Douglas Fir 660
51. Larch 590
52. Chestnut 540
53. Hemlock 500
54. White Pine 420
55. Basswood 410
56. Eastern White Pine 380

Click here for a great source for discount, top-quality hardwood flooring, shipped directly to your door -- anywhere in the U.S.

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  • Cheap Hardwood Flooring

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  • Build a Small Log Cabin

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Log Cabin Building

All About Building a Log Cabin
Installing Utilities Before Construction
Janka Hardness Scale for Flooring
Log Cabin Flooring Options
Hardwood Flooring Styles
Best Log Fasteners to Use
Unique Log Home Building Tools
Prepare for your Log Home Package
Be Your Own General Contractor
Sample Contract Specifications
Source For Cheap Hardwood Flooring
Cabin Roofing Choices
Log Home Building Schools
Build Right With Cabin Building Tips
Efficient Building with SIPs
PEX Tubing for Radiant Floor Heating
Bamboo Flooring is Sustainable
Radiant Floor Heating Provides Comfort
Reclaimed Wood Carries a Rich Patina
Contractors Insurance is Liability Protection
Working with Subcontractors
Specialty Log Tools for Peeling Logs
Log Screws are Strong and Versatile
Septic Permit Process Includes Perc Test & Site Visit

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