This European Standard specifies the requirements for factory made products of extruded polystyrene foam, with or without facings or coatings, which are used for thermal insulation of buildings. The products are manufactured in the form of boards which are also available with special edge and surface treatment (tongue & grooves, shiplap, etcetera). Products described in this standard are also used in prefabricated thermal insulating systems and composite panels. The characteristics of systems incorporating these products are not covered. This standard describes product characteristics and includes the test methods and specifications for evaluation of conformity, marking and labelling. This standard does not specify the required level of a given property to be achieved by a product to demonstrate fitness for purpose in a particular application. The levels required for a given application can be found in regulations or non-conflicting standards. Products with a declared thermal resistance lower than 0,25 m2×K/W or a declared thermal conductivity greater than 0,060 W/(m×K) at 10 °C are not covered by this standard. This standard does not cover in situ insulation products, nor products intended to be used for the insulation of building equipment and industrial installations (covered by EN 14307), or civil engineering applications (covered by EN 14934). The committee responsible for this standard is NA 005-56-60 AA "Wärmedämmstoffe (SpA zu CEN/TC 88 und WG's, ISO/TC 61/SC 10, ISO/TC 163, ISO/TC 163/SC 1 und SC 3, ISO/TC 163/WG 5)" ("Thermal insulating materials (Mirror Committee of CEN/TC 88 and WGs, ISO/TC 61/SC 10, ISO/TC 163, ISO/TC 163/SC 1 and SC 3, ISO/TC 163/WG 5)") at DIN.