Do Not Enter Signs

RT Technologies provides a complete portfolio of the Lasermet LTD Do Not Enter Signs.

We offer contemporary Do Not Enter LED Signs (Low Profile LED and Large Area LED) and traditional Illuminated Do Not Enter Signs for all kinds of applications.  We have low voltage signs (24V) and contractor friendly 110V signs.  Our Low profile, and Large Area LED signs are unique.  Two messages are displayed on one sign (one warning (red text), and one safe (green text))!  The messages are triggered by power.

We offer three types of Do Not Enter Signs:

Low Profile Small LED Do Not Enter

Extra low profile, low voltage (24V DC), low energy warning signs. These relatively compact signs can be mounted at eye-height next to the door and are available as 1 way or 2 way laser signs.

LEDS-DNE-1WY                  LEDS-DNE-2W

View small Do Not Enter
Small laser do not enter specification

Large Area LED Do Not Enter

State of the art LED technology in a highly aesthetic design, these slimline signs can be mounted at any height without causing obstruction or hazard. Custom legends and colors can be provided to suit your application.


LEDS-ULT-470-DNE                   LEDS-ULT-470-DNE-R


LEDS-ULT-790-DNE-Y                  LEDS-ULT-790-DNE-R

View large do not enter signs
Large do not enter signs specification
Thin Profile LED Do Not Enter Signs

Slim Jim LED Do Not Enter



Slim Jim is a new thin profile backlit LED sign. At only approximately 11mm thick, this extremely thin LED sign runs directly from mains power with no additional power supply or transformer and fits UK, US and European mains power single and double socket back-boxes.

Slim Jim signs specification
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