Removing Contamination from Grouted Floors - Back to Back Studies Find Similar Results Removing contamination from grouted floors and areas, especially microbial contamination, presents a serious problem for cleaning professionals. This is because grouting tends to be softer and more porous than surrounding tiles and the "grout line" is invariably lower than the tiles making it more difficult to clean. Consequently, successfully removing contamination from grouted floors and areas has traditionally been dependent on the skill of the cleaning technician, the amount of time allotted for this time consuming task, and the cleaning systems used. There are a limited number of investigations on the qualitative clean ability of grout areas. However, Dr. Jay Glasel, founder of Global Scientific Con

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