[header] How to clean vinyl flooring [title] Use a doormat to keep the floor clean. [step] The substances you track into your house on your shoes are damaging to vinyl flooring. Dirt, tiny pits of gravel, and chemicals from asphalt are abrasive to the vinyl, and over time will cause it to get scratched and yellowed. 
The solution is to wipe your shoes on a doormat, or, even better, take them off when you enter the house. [substeps] Using throw rugs in spots that tend to get a lot of foot traffic is also a good idea.