AC1: House, One Person, Residential, Moderate traffic: Suitable for bedrooms or guest rooms;
AC2: Residential, General Traffic: Suitable for living rooms or dining rooms
AC3: Residential, Heavy Traffic: Suitable for all areas
AC3: Commercial, Moderate Traffic: Hotel rooms, small office
AC4: Commercial, General Traffic: Office, boutique, café
AC5: Commercial, Heavy Traffic: Public buildings, department stores
Usually our products are just AC3, because the course surface texture of AC4 and AC5 is too rough for bare feet, which will make users very uncomfortable.