The mat was put through a number of test to see what materials would stop the effect, 2inch solid marble, 3/8's thick rolled steel boiler plate,
2" solid granite, 1"thick extruded aluminum none of them were up to the task. There is no benefit to taking the cover off your panel, and installing the mat inside the panel.
2" solid granite, 1"thick extruded aluminum none of them were up to the task. There is no benefit to taking the cover off your panel, and installing the mat inside the panel.