MaterialTypical ThicknessesIndoor / OutdoorUse TermCost LevelBest Uses
Coroplast (Corrugated Plastic)4mm, 6mm, 10mmOutdoor / IndoorShort-term*$Real estate signs, yard signs, event signage
PVC (Expanded PVC)1mm, 3mm, 6mmIndoor onlyMedium-term$$Retail signs, office signage, wall-mounted displays
Polystyrene0.04", 0.06"Indoor onlyShort-term$Indoor promotions, menu boards, temporary displays
Foam Core3/16"Indoor onlyShort-term$Presentations, trade shows, temporary signage
Aluminum Composite Panel (ACP)3mm, 6mmOutdoor / IndoorLong-term$$$Storefront signs, building signage, premium branding
Marine Grade Plywood1/2"OutdoorLong-term$$$Construction signage, rugged outdoor installs
Acrylic (Plexiglass)VariousOutdoor / IndoorLong-term$$$Architectural signage, standoff signs, premium branding
Notes:
  • Coroplast: 4mm and 6mm are best for short-term use; 10mm coroplast is suitable for long-term outdoor applications.
  • Foam Core: Indoor use only; not recommended for moisture or high-traffic areas.
  • Acrylic: Heavy, premium material with very high durability and a polished, glass-like appearance.
  • ACP: Excellent choice for long-term outdoor signage.