Just add Proclean NS once a week to your cleaning water and it is guaranteed to make any surface more slip resistant. Apply with a cotton mop using one bucket with the solution and the other to wring out the dirty water. Do not rinse. Allow the floor to dry thoroughly before use.

Light soil: One part Slip Nomor Cleaner to 8 parts water
Medium soil: One part Slip Nomor Cleaner to 6 parts water
Heavy soil: One part Slip Nomor Cleaner to 4 parts water