Hardwood Flooring Hardness Scale. Woods with high hardness rating are more challenging to work with and install because it is more difficult to drive nails and screws into the wood. A flooring product's hardness determines its durability and resistance to scratches and scuffs.
The Janka Scale is a comprehensive chart of hardness ratings for a huge variety of wood species used for hardwood floors.
It is also a good indicator of how Engineered Hardwood Flooring FAQ - Learning Center.
DIY saves money but some aggravations aren't worth it. This is a combination of instructions Nailer (a manual if fine for some woods but we opted for a kind called Patagonian Rosewood which is near the top of the Janka hardness scale at. Relative Hardness of Selected Wood Flooring Species. (Ranked by Janka hardness rating).