One of the fundamental characteristics of porcelain stoneware is that of being able to offer surfaces with different degrees of resistance to slipperiness, there is a product suitable for every environment, internal and external in aesthetic continuity, residential and public.
When choosing the floor, it is of fundamental importance to take into account the R parameter indicated on the product technical data sheet (R9, R10, R11, R12) in order to guarantee a technically adequate surface in each place and to avoid slipping accidents.
Only products with a polished/lapped finish by their nature do not have anti-slip certification, have a perfectly smooth surface, are often used for flooring but in risk-free environments and where there is no high traffic of people.
By convention in many European countries the slip resistance of floors is measured with the German assessment classes DIN 51130 and DIN 51097
Conformity of the tiles for laying in rooms where you walk with shod feet
Classification | Slip resistance | Suitable environments |
R9 | Low | Entrance areas and stairs with access from the outside. Restaurants and canteens, shops, clinics, hospitals, schools. |
R10 | Average | Communal toilets and showers, small kitchens and exercises for restaurants, garages and basements. |
R11 | High | Environments for food production. Medium kitchens of catering establishments. Work environments with strong presence of water and mud, laboratories, laundries, hangars. |
R12 | Very high | Environments for the production of foods rich in fats such as dairy products and derivatives, oils and cured meats. Great kitchens for catering. Industrial preparations with the use of substances slippery. Car parks. |
Conformity of the tiles for laying in areas where you walk barefoot (swimming pools, wellness, changing rooms, etc.)
Classification | Slip resistance | Suitable environments |
A | High | Changing rooms, barefoot access areas, etc. |
A+B | Very high | Showers, edges of swimming pools etc. |
A+B+C | Extremely high | Edges of sloping but underwater swimming pools, submerged stairs, passageways between one swimming pool and another, areas where there is the possibility of stagnant water. |
In France, the slip resistance of porcelain stoneware floors is regulated by the technical standard NF EN 14231, which provides for four slip risk classes: R9, R10, R11 and R12.
Risk class | Description | Intended use |
R9 | Low slip resistance | Dry places, without the risk of accidental falls, such as offices, shops, meeting rooms, etc. |
R10 | Medium slip resistance | Surfaces that are only occasionally wet, such as bathrooms, laundry rooms, etc. |
R11 | High slip resistance | Permanently wet surfaces, e.g. in swimming pools, showers, saunas, etc. |
R12 | Maximum slip resistance | Surfaces exposed to chemicals or oily substances, such as kitchens, laboratories, workshops, etc. |
It is important to underline that the indications provided are only indicative, the assessment of the slipping risk class of a floor depends on many factors, including the environment in which it is installed, the presence of chemicals or oils, and the frequency of floor cleaning and maintenance. There are situations where the slip risk rating may be higher than normal, for example in public areas with high traffic where the risk of falling is higher.
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