There are many floors that cannot be sanded such as cork, bamboo, some engineered floors and the increasingly popular hand-scraped or distressed floors. Even with solid wood floors that can be sanded, you can only do it one or two times before you’re down to the tongue and groove. Because the N-Hance process doesn’t generally go down to the grain level, we can refinish all of these types of floors. N-Hance is your only solution for these types of popular floors.