Confined Space Work

Confined Space Signs

In tanks, silos, wells and manholes, lack of oxygen and toxic gas can build up without warning. These signs show at the entry point that a permit, gas testing and breathing protection are required.

What Is in This Category?

Caution confined space and keep locked signs
No entry to confined spaces without a permit signs
Test the atmosphere before entering signs
Asphyxiating gas and breathing hazard signs
Use breathing apparatus signs
Do not enter the machine sign

How to Choose

Use vinyl stickers or PVC board indoors and galvanized steel outdoors, on construction sites and around excavations. Mount the sign close to eye level where the warning applies.

Frequently Asked Questions

Where should a confined space sign go? At every entry point to the space, right beside the hatch or manhole opening.