A fiberglass step for a water slide comprising a horizontally disposed tread and a vertically disposed riser. The tread of the step comprises vertically spaced-apart members which define a space therebetween having a polypropylene honeycomb material positioned therebetween. The steps are positioned between...http://www.google.fr/patents/US6554715?utm_source=gb-gplus-shareBrevet US6554715 - Step for a water slide or the like
