Warning Signs

Warning Signs by Caledonia Signs - Trade Only Supplier

BS EN ISO 7010:2020 was developed to provide consistency in safety sign design across the UK and EU. By using ISO 7010 pictograms and symbols, our warning signs provide universal recognition - this means that a warning symbol in the UK will look the same as it would in all European countries.

Warning signs advise viewers of potential hazards within an area. They incorporate a yellow triangle (black border) with a black pictogram inside. Supplementary text must be black on a yellow background and must lead with "Danger, Warning or Caution".

Danger: should be used only for hazards which may cause serious injury or death. Warning: should be used for hazards which could cause mild to severe injury. Caution: should be used for mild hazards only.

We provide a wide range of warning signs & products covering virtually all types of hazards - from asbestos to water


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Warning - Compressed Air

Warning - Compressed Air - Safety Signs

Site traffic signs help to direct traffic safely on site and advise of their actions Material Options Explained Below is a more detailed description of the mat..

Caledonia Catalogue Page: 26

Warning - Keep Clear of Lift

Warning - Keep Clear of Lift - Safety Signs

Hazard signs are displayed to advise and forewarn of potential dangers. Material Options Explained Below is a more detailed description of the materials this p..

Caledonia Catalogue Page: 56

All Vehicles Entering Or Leaving Liable to be Searched

All Vehicles Entering Or Leaving Liable to be Searched - Safety Signs

Advise visitors of security measures in place and of possible consequences if ignored Material Options Explained Below is a more detailed description of the mater..

Caledonia Catalogue Page: 28

Caution - Allergy Warning - this Product Contains Allergens

Caution - Allergy Warning - this Product Contains Allergens - Safety Signs

From December 2014 restaurants and food outlets must provide and display details of potential allergens contained in menu items being served.This range of signs an..

Caledonia Catalogue Page: 32

Food Allergy Notice

Food Allergy Notice - Safety Signs

From December 2014 restaurants and food outlets must provide and display details of potential allergens contained in menu items being served.This range of signs an..

Caledonia Catalogue Page: 32

Food Allergy Notice - Double Sided Plastic Table Cards (Pack of 5)

Food Allergy Notice - Double Sided Plastic Table Cards (Pack of 5) - Safety Signs

From December 2014 restaurants and food outlets must provide and display details of potential allergens contained in menu items being served.This range of signs an..

Caledonia Catalogue Page: 32

Caution - Bleach and Other Harmful Irritants in this Cupboard

Caution - Bleach and Other Harmful Irritants in this Cupboard - Safety Signs

Hazard signs are displayed to advise and forewarn of potential dangers. Material Options Explained Below is a more detailed description of the materials this part..

Caledonia Catalogue Page: 27

S-Hook Attachment for Chains - Red

S-Hook Attachment for Chains - Red - Safety Signs

Plastic connecting s-hookConnecting link for plastic chains, allows longer chain lengths to be produced...

Caledonia Catalogue Page: 71

S-Hook Attachment for Chains - Black

S-Hook Attachment for Chains - Black - Safety Signs

Plastic connecting s-hookConnecting link for plastic chains, allows longer chain lengths to be produced...

Caledonia Catalogue Page: 71

Wall Bracket for Retractable Barrier Posts

Wall Bracket for Retractable Barrier Posts - Safety Signs

Plastic bracket is easily fitted to a wall with screws (included) and allows the webbing from retractable barriers to be connected to the wall to create a barrier ..

Caledonia Catalogue Page: 70

Red & White Chain Post Kit - 6 Posts - 10m Chain - Hooks & Links

Red & White Chain Post Kit - 6 Posts - 10m Chain - Hooks & Links - Safety Signs

870mm high plastic posts with 2.9kg PVC bases and plastic chainThis 10m post and chain kit provides exceptional value for money Allows areas to be cordoned off qui..

Caledonia Catalogue Page: 71

Yellow & Black Chain Post Kit - 6 Posts - 10m Chain - Hooks & Links

Yellow & Black Chain Post Kit - 6 Posts - 10m Chain - Hooks & Links - Safety Signs

870mm high plastic posts with 2.9kg PVC bases and plastic chainThis 10m post and chain kit provides exceptional value for money Allows areas to be cordoned off qui..

Caledonia Catalogue Page: 71

Universal Chain Post - 1.6kg Rubber Base

Universal Chain Post - 1.6kg Rubber Base - Safety Signs

870mm high plastic post with 1.6kg rubber base (300mm triangular base)Suitable for internal or temporary external use, allows easy attachment of plastic chains for..

Caledonia Catalogue Page: 71

Universal Chain Post - 1.6kg Rubber Base

Universal Chain Post - 1.6kg Rubber Base - Safety Signs

870mm high plastic post with 1.6kg rubber base (300mm triangular base)Suitable for internal or temporary external use, allows easy attachment of plastic chains for..

Caledonia Catalogue Page: 71

Red & White Polyethylene Chain

Red & White Polyethylene Chain - Safety Signs

Polyethylene chain with 6mm links1metre length of plastic chain with 6mm links..

Caledonia Catalogue Page: 35

Yellow and Black Polyethylene Chain

Yellow and Black Polyethylene Chain - Safety Signs

Polyethylene chain with 6mm links1metre length of plastic chain with 6mm links..

Caledonia Catalogue Page: 35

Caution - Drones May be Operating in this Area

Caution - Drones May be Operating in this Area - Safety Signs

UAV (Unmanned Aerial Vehicle) signs are essential to ensure the safety of those on the ground while flying drones. Use of proper signage will help reduce the risk ..

Caledonia Catalogue Page: 80

Cameras Are Fitted to this Vehicle

Cameras Are Fitted to this Vehicle - Safety Signs

Vehicle information signs can be displayed to inform other drivers or pedestrians of potential hazards or advise of important information Material Options Explaine..

Caledonia Catalogue Page: 28

Cyclists Beware of Passing this Vehicle On the Inside

Cyclists Beware of Passing this Vehicle On the Inside - Safety Signs

Vehicle information signs can be displayed to inform other drivers or pedestrians of potential hazards or advise of important information Material Options Explaine..

Caledonia Catalogue Page: 102

Warning - this Vehicle Makes Wide Turns

Warning - this Vehicle Makes Wide Turns - Safety Signs

Vehicle information signs can be displayed to inform other drivers or pedestrians of potential hazards or advise of important information Material Options Explaine..

Caledonia Catalogue Page: 28

Asbestos Free Material Labels

Asbestos Free Material Labels - Safety Signs

Gloss white non-rip polypropylene with permanent adhesive to ensure the label will stay in place. Clearly identify areas free from asbestos materials with these se..

Caledonia Catalogue Page: 27

Caution - Parking Here Could Endanger a Child's Life - Self Standing Floor Sign

Caution - Parking Here Could Endanger a Child's Life - Self Standing Floor Sign - Safety Signs

Bright yellow floor stands help to highlight important safety messages. Easily stored, lightweight and quick to deploy making them perfect for short term use...

Caledonia Catalogue Page: 34

Caution - Trailing Cables - Self Standing Floor Sign

Caution - Trailing Cables - Self Standing Floor Sign - Safety Signs

Bright yellow floor stands help to highlight important safety messages. Easily stored, lightweight and quick to deploy making them perfect for short term use...

Caledonia Catalogue Page: 34

Caution - Keep Left / Right - Self Standing Floor Sign

Caution - Keep Left / Right - Self Standing Floor Sign - Safety Signs

Bright yellow floor stands help to highlight important safety messages. Easily stored, lightweight and quick to deploy making them perfect for short term use...

Caledonia Catalogue Page: 34

Caution - This Equipment Has Been Locked Out - Self Standing Floor Sign

Caution - This Equipment Has Been Locked Out - Self Standing Floor Sign - Safety Signs

Bright yellow floor stands help to highlight important safety messages. Easily stored, lightweight and quick to deploy making them perfect for short term use...

Caledonia Catalogue Page: 34

Caution - Parking Here Could Endanger a Child's Life - Lightweight Self Standing Sign

Caution - Parking Here Could Endanger a Child's Life - Lightweight Self Standing Sign - Safety Signs

These double sided floor stands ensure important safety messages are displayed when required. Easily stored, lightweight and quick to deploy making them perfect fo..

Caledonia Catalogue Page: 34

Caution - This Equipment Has Been Locked Out - Lightweight Self Standing Sign

Caution - This Equipment Has Been Locked Out - Lightweight Self Standing Sign - Safety Signs

These double sided floor stands ensure important safety messages are displayed when required. Easily stored, lightweight and quick to deploy making them perfect fo..

Caledonia Catalogue Page: 34

Risk of Explosive Atmosphere - Test for Oxygen Deficiency - Supply Fresh Air

Risk of Explosive Atmosphere - Test for Oxygen Deficiency - Supply Fresh Air - Safety Signs

Site safety notice relating to explosive atmospheres and the necessary steps to be taken to ensure safety Material Options Explained Below is a more detailed d..

Caledonia Catalogue Page: 26

Cone Chain Attachment

Cone Chain Attachment - Safety Signs

Lightweight plastic ring fits on top of most round cones. Side hooks allow attachment of plastic chains for a simple temporary barrier solution.2mm thick, red plas..

Caledonia Catalogue Page: 35

Danger - Disconnect the Mains Supply Before Removing this Cover

Danger - Disconnect the Mains Supply Before Removing this Cover - Safety Signs

Warning sign to advise the risk of electricity and advising of lockout and tagout procedures to follow Material Options Explained Below is a more detailed descrip..

Caledonia Catalogue Page: 31

Danger - Asbestos No Unauthorised Persons Beyond this Point

Danger - Asbestos No Unauthorised Persons Beyond this Point - Safety Signs

Multi-message signs provide multiple safety messages on one sign. This sign warns of the hazard and mandatory/prohibition action to be taken. Material Options Exp..

Caledonia Catalogue Page: 54

Danger - Hot Works in Progress - No Unauthorised Entry

Danger - Hot Works in Progress - No Unauthorised Entry - Safety Signs

Multi-message signs provide multiple safety messages on one sign. This sign warns of the hazard and mandatory/prohibition action to be taken. Material Options Exp..

Caledonia Catalogue Page: 54

Danger - Hot Works Area - Permit to Work Must be Obtained

Danger - Hot Works Area - Permit to Work Must be Obtained - Safety Signs

Multi-message signs provide multiple safety messages on one sign. This sign warns of the hazard and mandatory/prohibition action to be taken. Material Options Exp..

Caledonia Catalogue Page: 54

Danger - Hot Works Area - Approved PPE must be Worn

Danger - Hot Works Area - Approved PPE must be Worn - Safety Signs

Multi-message signs provide multiple safety messages on one sign. This sign warns of the hazard and mandatory/prohibition action to be taken. Material Options Exp..

Caledonia Catalogue Page: 54

Danger - Flammable Storage Area - No Hot Works Permitted

Danger - Flammable Storage Area - No Hot Works Permitted - Safety Signs

Multi-message signs provide multiple safety messages on one sign. This sign warns of the hazard and mandatory/prohibition action to be taken. Material Options Exp..

Caledonia Catalogue Page: 54

Driver Notice be Aware of Pedestrian - 10mph

Driver Notice be Aware of Pedestrian - 10mph - Safety Signs

A multi-message and site safety sign to advise and inform of rules and procedures to follow. Perfect for warehouse, factory and construction site environments. Mat..

Caledonia Catalogue Page: 58

Driver Notice be Aware of Pedestrians - Unsupervised Reversing Forbidden

Driver Notice be Aware of Pedestrians - Unsupervised Reversing Forbidden - Safety Signs

A multi-message and site safety sign to advise and inform of rules and procedures to follow. Perfect for warehouse, factory and construction site environments. Mat..

Caledonia Catalogue Page: 58

Driver Notice be Aware of Pedestrian - 5mph

Driver Notice be Aware of Pedestrian - 5mph - Safety Signs

A multi-message and site safety sign to advise and inform of rules and procedures to follow. Perfect for warehouse, factory and construction site environments. Mat..

Caledonia Catalogue Page: 58

Warehouse Safety Caution - Forklift Trucks - Hivis - Boots must be Worn

Warehouse Safety Caution - Forklift Trucks - Hivis - Boots must be Worn - Safety Signs

A multi-message and site safety sign to advise and inform of rules and procedures to follow. Perfect for warehouse, factory and construction site environments. Mat..

Caledonia Catalogue Page: 58

Warning - Quarry Workings - Keep Out

Warning - Quarry Workings - Keep Out - Safety Signs

A multi-message and site safety sign to advise and inform of rules and procedures to follow. Perfect for quarries. Material Options Explained Below is a more deta..

Caledonia Catalogue Page: 55

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