PurposeRubber floor mats both protect the floor and provide a cushion for anyone sitting on them. Gyms, entrances to buildings and play areas are places you might find rubber floor mats. Cars have them to protect the carpeting in front of the seats.CleaningShake out the rubber mat to remove loose debris and spray it with a hose to rinse it off. If the dirt is caked on or someone has dropped food ...