Channel letters can be made from a variety of materials, including plastic and aluminium. We sometimes use a raceway behind the channel letters where all the wiring used to illuminate channel letters is kept, meaning less wall penetrations. SignNation produces these letters in many variations, (reverse lit, open channel, front and side illuminated etc) Lighting is one of the most distinguishing quality for channel letters, and offers many different options, and SignNation is particularly creative when it comes to putting together the right combination of material, and LED to create a uniform lighting effect.