Free Laboratory Safety Signs to Download and Print


This is a collection of free laboratory safety signs you can take and print. All of the signs are either public domain, creative commons, or else signs we made ourselves. If there is a particular type of sign you need, but can’t find, just let us know.


First Aid Station Safety Signs

The “plus” symbol marks the location of first aid stations or kits.

Green First Aid Sign (Rafal Konieczny)
Green First Aid Sign (Rafal Konieczny)
Green Eyewash Symbol (Rafal Konieczny)
Green Eyewash Symbol (Rafal Konieczny)
Safety Shower Sign (Epop)
Safety Shower Sign (Epop)
Free AED or Defibrillator Sign (Stefan-Xp)
Free AED or Defibrillator Sign (Stefan-Xp)
Emergency Meeting Point Sign (Epop)
Emergency Meeting Point Sign (Epop)

Fire Extinguisher Free Laboratory Safety Signs

Fire extinguisher signs usually feature a picture of a fire extinguisher. Place the sign within easy view of the actual safety equipment.

Red and White Fire Extinguisher Sign (Epop)
Red and White Fire Extinguisher Sign (Epop)
Red Fire Blanket Safety Sign (Epop)
Red Fire Blanket Safety Sign (Epop)
Red Fire Hose Sign (Epop)
Red Fire Hose Sign (Epop)

Free Chemical Hazard Warning Signs

Corrosive materials include strong acids, weak acids, strong bases, and oxidizers. Corrosive materials are denoted by a hand or other material being dissolved by a chemical. Poisons or toxins usually are denoted using the skull and crossbones symbol.

Yellow Corrosive Free Laboratory Safety Sign
Yellow Corrosive Free Laboratory Safety Sign
Yellow Poison Warning Sign
Yellow Poison Warning Sign
Orange Oxidizer Symbol (European Chemicals Bureau)
Orange Oxidizer Symbol (European Chemicals Bureau)
Orange Flammable Symbol (European Chemicals Bureau)
Orange Flammable Symbol (European Chemicals Bureau)
Orange Toxic or Poison Sign (European Chemicals Bureau)
Orange Toxic or Poison Sign (European Chemicals Bureau)

Free Gas Safety Signs

Nonflammable Gas Sign (US Dept of Transportation)
Nonflammable Gas Sign (US Dept of Transportation)
Flammable Gas Sign (Nickersonl)
Flammable Gas Sign (Nickersonl)

Biohazard Warning Sign

A biological hazard or biohazard is marked using this trefoil shape. Biohazards include infectious agents.

Yellow Biohazard Trefoil Sign
Yellow Biohazard Trefoil Sign
Yellow Biohazard Sign (Bastique)
Yellow Biohazard Sign (Bastique)

Special Safety Equipment Required – Free Safety Signs

These signs post the requirement for special safety equipment, such as safety goggles, masks, etc.

Blue Boots Required Lab Safety Sign
Blue Boots Required Lab Safety Sign
Blue Safety Glasses Required Sign
Blue Safety Glasses Required Sign
Blue Breathing Mask Required Sign
Blue Breathing Mask Required Sign
Blue Protective Clothing Sign (Torsten Henning)
Blue Protective Clothing Sign (Torsten Henning)

Radiation Lab Safety Signs

These are signs for various forms of radiation.

Yellow Radioactive Sign (Cary Bass)
Yellow Radioactive Sign (Cary Bass)
Yellow Optical Radiation Sign (Torsten Henning)
Yellow Optical Radiation Sign (Torsten Henning)
Yellow Laser Warning Sign (Torsten Henning)
Yellow Laser Warning Sign (Torsten Henning)
Red IAEA Ionizing Radiation Sign (Kricke)
Red IAEA Ionizing Radiation Sign (Kricke)

Caution Sign

This is a generic warning sign. You can use a marker to fill in a specific danger, if you wish.

Yellow Caution Sign
Yellow Caution Sign

Other Useful Laboratory Signs

Do Not Touch Prohibition Sign (Torsten Henning)
Do Not Touch Prohibition Sign (Torsten Henning)
Food and Drinks Prohibited Sign (Torsten Henning)
Food and Drinks Prohibited Sign (Torsten Henning)
Red Prohibition Symbol (Torsten Henning)
Red Prohibition Symbol (Torsten Henning)