Alder and Fir are very similar in hardness and have been used as flooring for centuries. The benefits of softer woods is similar to the reason cork flooring is so popular. Its natural warmth to the bare skin, coupled with its beauty. We also do distressing features with Oil and Wax finishes that assist the softer floors in durability, maintainability and with the added advantage of hiding and disguising normal wear. But dont let me sell you..Check the reviews from our customers :-)