Distinct Floor Luster Enhances Appeal By: Donald Landin PROPERTY Customers covet brilliant shine, but there is more to the appearance of hard surface floors than gloss alone. What Is DOI? DOI is best defined as the measure of how crisply and sharply an image is reflected from a surface, indicating the clarity of a reflection seen in the floor. To fully understand DOI, it’s important to take a step back and review the basics. The most popular term used to describe the ap-pearance of a floor’s surface is gloss. Gloss refers to shine or light reflection and causes surfaces to have a polished or lustrous, metallic appearance. Many factors can affect gloss, including the main-tenance materials used, the condition of the flooring and the frequency of polishing. I Donald Landin, Ph.D., is the senior technical service special-ist for 3M. Landin works for 3M’s Building and Commercial Services division, which offers the Scotchgard brand Stone Floor Protection System. For more information about all of the solu-tions developed by 3M to help you achieve clean, shiny hard surface floors in your facility, please visit http://Solutions.3M.com. In today’s competitive environment, building own-ers and operators constantly look for ways to im-prove their properties’ aesthetics. It is commonly known that clean, well-maintained floors lead to a positive customer impression. For years, industry professionals have focused on a floor’s surface reflectivity, shine and gloss, but a positive impression is based on much more than that. Customer feedback has shown that people re-spond favorably to floors that reflect high image clarity or distinctness of image (DOI). The growing DOI trend is gaining popularity and quickly becoming the new measure of floor resto-ration, protection and maintenance quality. for more info Visit www.cmmonline.com and type in search keyword: Hard Floor Care . For more information on related products, visit www.cmmonline.com , select SUPPLIER SEARCH from the main navigation bar, and enter keyword: Floor Finish . The difference between a floor with a high DOI score and one with a low tabulation is similar to the differ-entiation of programming in standard definition and a broadcast sent via a high-definition feed. 30
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