This product is refereed as a letter, number or logo foam cut out with a thin bright smooth aluminum face.

As an indoor product we mount the aluminum to a matching piece of 1", 2", 3" or 4" foam
As an outdoor product we use high impact insulation foam 2" or 3" thick foam painted

This product makes a dimensional good looking logo sign with a 3 to 4 year durability. For installation we put 3/16" threaded rods and provide a drill installation paper pattern, It is recommended to be installed outdoors flat against the wall.