When choosing a material for your safety sign, there are several factors to consider including time of day, temperature, and usage. The table below will help guide you in choosing the correct material for your sign and application.

Safety Sign Material Selection Guide

Material Best Used Temp. Service Range/Max Temp. Standard Mounting Max Size General Use
Metals
Standard Aluminum -20° to 140°F Corner Holes 24" x 36" Lightweight Indoor/Outdoor
All-Purpose Aluminum -40° to 250°F Post Holes 48" x 96" Indoor/Outdoor
Heavy-Duty Aluminum -40° to 250°F Corner or
Post Holes
48" x 96" Outdoor Signs
All-Purpose Reflective Aluminum -40° to 250°F Corner or
Post Holes
48" x 96" Reflectivity for Low Light
Outdoor Conditions
Heavy-Duty Reflective Aluminum -40° to 250°F Corner or
Post Holes
48" x 96" Reflectivity for Traffic Signs
All-Purpose High-Intensity Reflective Aluminum -40° to 250°F Corner or
Post Holes
48" x 96" High-Intensity Reflectivity for Low Light Outdoor Conditions
Heavy-Duty High-Intensity Reflective Aluminum -40° to 250°F Corner or
Post Holes
48" x 96" High-Intensity Reflectivity
for Traffic Signs
ACP (Aluminum
Composite Panel)
-60° to 180°F Corner or
Post Holes
48" x 96" Large Outdoor Signs
Plastic
Rigid Plastic -90° to 168°F Corner Holes 24" x 36" Lightweight Indoor/Outdoor
Heavy-Duty Rigid Plastic -90° to 168°F Corner Holes 48" x 96" Indoor/Outdoor
6-Hour Glow Rigid Plastic -20° to 125°F Corner Holes 24" x 40" Emergency Egress Areas
24-Hour Glow Rigid Plastic -20° to 125°F Corner Holes 28" x 48" Emergency Egress Areas
NMC TuffGuard -30° to 190°F Corner Holes 47" x 47" Extreme Environments
Corrugated Plastic -17° to 160°F Sign Stakes or Mounting Holes 48" x 96" Temporary Outdoor Signage
Adhesive
Pressure Sensitive Vinyl -59° to 125°F Adhesive Back 50" x 50" Indoor Use
6-Hour Glow Polyester -20° to 125°F Adhesive Back 28" x 48" Low Light Indoor/Outdoor
24-Hour Glow Polyester -20° to 125°F Adhesive Back 28" x 48" Long Term Glow in
Low Light Conditions
Reflective Vinyl Sheeting -30° to 200°F Adhesive Back 24" x 48" Reflectivity in
Low Light Conditions
High-Intensity Reflective Vinyl Sheeting -30° to 200°F Adhesive Back 48" x 96" High Level Reflectivity
in Low Light Conditions
Non-Skid
Walk-On Floor Sign -20° to 125°F Adhesive Back 50" x 50" Ideal for Indoor Floor Graphics
TexWalk 85°F Adhesive Back 47" x 47" Indoor Floor and
Wall Applications
Asphalt Art 85°F Adhesive Back 47" x 47" Outdoor Heavy Traffic Areas
Sport Walk 40° to 120°F Adhesive Back 47" x 47" Pedestrian Traffic
Outdoor Use
Banner
Unrippable Vinyl -22° to 152°F Hole/Brommets 36" x 48" Plastic Industrial Tags
Polytag™ 145°F Hole/Grommets 28" x 40" Synthetic Paper
for Tag Applications
Cardstock 200°F Hole/Grommets 23" x 35" Heavy Paper Stock
for Temp. Applications
Tyvek® Tags 210°F Hole/Grommets 23" x 35" Lightweight/Tear-Proof Applications

Table provided by National Marker Company


Here are a few of the most popular materials:

Indoor—Pressure Sensitive Adhesive

  • Adhesive back.
  • Allows mounting on curved surfaces.

Outdoor—Standard Aluminum

  • 4 Corner holes.
  • Excellent durability.

Traffic—Heavy-Duty High Intensity
Reflective Aluminum

  • Highly reflective.
  • Post holes.
  • Extremely durable.

All-Purpose—Rigid Plastic

  • Semi-flexible.
  • Rounded corners and corner holes.

Glow—6-Hour Glow Rigid Plastic

  • Easily readable.
  • Non-toxic and non-radioactive.

Information provided by National Marker Company.

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