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What are the size limits of Channel Letters/Logo Signs?

Choosing the right channel letter size is important for both aesthetics and durability. Below is a quick guide to the maximum and minimum size options available for different types of metal and acrylic channel letters.

All Channel Signage – Size Limits

MaterialVariationFrontlitBacklitFront & BacklitSide LitFront & Side Lit
MetalTrimless5″–40″ (Logo: 40″x40″)5″–80″ (Logo: 112″x72″)5″–40″ (Logo: 40″x40″)——
MetalAluminum Resin – Frontlit5″–32″ (Logo: 32″x32″)————
MetalAluminum Resin – Front&Backlit——5″–32″ (Logo: 32″x32″)——
MetalTrimcap – Frontlit12″–220″ (Logo: 12″x12″–84″x220″)————
AcrylicFrontlit2″–24″ (Logo: 2″–26″)————
AcrylicBacklit—2″–24″ (Logo: 2″–26″)———
AcrylicFront & Backlit——2″–24″ (Logo: 2″–26″)——
AcrylicSide Lit———2″–24″ (Logo: 2″–26″)—
AcrylicFront & Side Lit————2″–24″ (Logo: 2″–26″)

Metal Channel Letters – Size Limits

TypeLetter Height (inches)Logo Size Limit
Trimless Frontlit5″ – 40″up to 40″x40″
Trimless Backlit5″ – 80″up to 112″x72″
Trimless Front & Backlit5″ – 40″up to 40″x40″
Aluminum Resin Frontlit5″ – 32″up to 32″x32″
Aluminum Resin Front & Backlit5″ – 32″up to 32″x32″
Trimcap Frontlit12″ – 220″12″x12″ – 84″x220″

Acrylic Channel Letters – Size Limits

OptionLetter Height (inches)Logo Size Limit
Frontlit2″ – 24″2″ – 26″
Backlit2″ – 24″2″ – 26″
Front & Backlit2″ – 24″2″ – 26″
Side Lit2″ – 24″2″ – 26″
Front & Side Lit2″ – 24″2″ – 26″
  • Logos generally follow the same limits as letters but may vary depending on design complexity.
  • Acrylic letters are best suited for small to medium signage, while metal letters cover larger installations.