When selecting a hardwood floor, lots of attention is paid to what kind of floor materials, color, finish and a plethora of other elements of hardwood floors and also their effect on your home. Hardly any instructions are provided on how to properly care for your hardwood floors once they are installed. Hardwood floors are protected with a polyurethane sealant which gives wood floors their luster, protection as well as overall longevity. The finish of the floor will last around 3 years, Eventually, the floors are more likely to dull. The reason being very small dust are constantly being ground into the finish through everyday use.