EN17326:2020isaEuropeanstandardthatspecifiesamethodfordeterminingthedimensionalstabilityofshock-absorbingmatsusedinsportssystems,suchasundersportssurfaces.Thestandardprovidesguidelinesfortestinghowthesematsrespondtochangesintemperatureandhumidity,ensuringtheymaintaintheirsizeandshapeundervaryingenvironmentalconditions.Thishelpsassessthemat'sperformanceanddurability,whichiscriticalforsafetyandconsistencyinsportsapplications.Thetestinvolvessubjectingthemattospecificclimaticconditionsandmeasuringanydimensionalchangesbeforeandafterexposure.Compliancewiththisstandardensuresthatthematsmeetnecessaryqualityandsafetyrequirementsforuseinsportsfacilities.