The « Shadow Box » construction creates the depth effect behind a translucent glass pane, incorporating a painted aluminum sheet to the curtain wall behind the glass. The aluminum sheet should be at least two inches behind the glass and painted to create dimension and prevent oxidation. Reflective finishes enhance and enhance the visual depth of the unit.
Specific details can provide a method to thermally insulate the cavity from the inside. An aluminum back panel behind the insulation is also desirable to prevent condensation on the metal shadow area from the inside.