A system for mounting a plurality of wall panels to a supporting structure includes a plurality of fasteners. The wall panels include a main panel and at least one L-shaped end section. Each of the fasteners include a base section having spaced apart walls providing an opening therebetween. Opposing U-shaped sections are arranged coupled to the first and second walls generally facing each other. A securing section is arranged outwardly of one of the U-shaped sections for attaching the fastener to a supporting structure. The U-shaped sections respectively receive a portion of an L-shaped end section of adjacent wall panels.