For front/back lit letters, we offer:

• Any font style
• 5" pre-finished aluminum returns
• Clear polycarbonate backs
• Acrylic faces
• 1" trim cap
• Neon or LED illumination
• 1.5" standoffs
• U.L. Listed

Is the city (county, HOA or municipality) asking you for a more detailed diagram of your proposed channel letter sign?

Or, Do you simply need to know how a letter is constructed? The diagram provided below will help.