Choose R10 for general spots, but jump to R11-R12 in wet zones like bar taps or...
https://hotel-wiki.win/index.php/What_is_DIN_51130_and_Do_I_Need_it_for_My_Venue_Floor%3F
Choose R10 for general spots, but jump to R11-R12 in wet zones like bar taps or wash basins to stop slips. Don't let the upfront cost fool you. Cheap floors peel at the edges fast. Pay for quality now to avoid expensive repairs later