Patent ID: 7472521

Claim:
A system for mounting wall panels to an existing wall structure, comprising: a plurality of wall panels, each wall panel having a main panel section and hook walls at edges of the main panel section, with the main panel section and each hook wall defining a U-shaped cross-sectional profile; a plurality of fastening extrusion assemblies, each fastening extrusion assembly including: a first retaining wall structure including a first recess for receiving one said hook wall of a first said wall panel, a second retaining wall structure including a second recess for receiving one said hook wall of a second said wall panel, a securing section for securing each fastening extrusion assembly to an existing wall structure, and a tongue and groove assembly for connecting together said first retaining wall structure, said second retaining wall structure and said securing section so as to maintain said first and second wall panels in a predetermined relation when said securing section is secured to the existing wall structure and said first retaining wall structure is assembled with said first wall panel and said second retaining wall structure is assembled with said second wall panel.