Site Safety - Warning Safety Signs

Site Safety - Warning Safety Signs by Caledonia Signs - Trade Only Supplier

Site safety warning signs are crucial tools used on construction sites, industrial facilities, and other work environments to alert workers, visitors, and contractors to potential hazards and safety requirements. These signs help communicate important information about risks such as falling objects, electrical hazards, excavation zones, and mandatory protective equipment. By providing clear and visible warnings, site safety signs play a vital role in preventing accidents and promoting a culture of safety.

One key benefit of site safety warning signs is their ability to raise hazard awareness among everyone on site. Construction and industrial areas are often busy, noisy, and complex, making it easy to overlook dangers. Warning signs serve as constant reminders to stay alert, follow protocols, and avoid risky behaviours, helping reduce injuries and fatalities.

Site safety warning signs also support regulatory compliance. Occupational safety authorities often mandate specific signage to be displayed prominently in hazardous areas. By using proper warning signs, companies ensure they meet legal requirements, avoid fines, and maintain good standing with safety inspectors.

Finally, these signs contribute to effective communication across diverse teams. Using universally recognised symbols and clear language, site safety signs ensure that workers of all backgrounds and language abilities understand the risks and safety measures. This inclusivity is critical for maintaining a safe work environment in today’s global workforce.


Warning - Danger of Crushing

Warning - Danger of Crushing Safety Signs

A "Warning - Danger of Crushing" sign is crucial for alerting workers and visitors to areas or machinery where there is a risk of being caught, squeezed, or crushed by moving parts or heavy equipment. This type of hazard can cause serious injuries, including broken bones, amputations, or even fatali..

Caution - Moving Machinery

Caution - Moving Machinery Safety Signs

"Caution – Moving Machinery" safety signs are vital for preventing accidents and ensuring workplace safety in environments where machinery with moving parts is in operation. These signs serve as clear visual warnings to alert workers, visitors, and contractors that they are entering or working near ..

Your Message Here - Self Standing Folding Sign

Your Message Here - Self Standing Folding Sign Safety Signs

A customisable, portable sign designed to display any text, symbol, or message the user chooses. Unlike fixed-purpose safety or warning signs, this type allows for complete flexibility, making it useful for both temporary and recurring communication needs. The self-standing folding design makes it e..

Caution - Oxygen

Caution - Oxygen Safety Signs

In environments where oxygen tanks or oxygen-enriched atmospheres exist, the Caution - Oxygen sign plays a crucial role in safety. Oxygen greatly increases the risk of fire by making flames ignite more easily and burn hotter, so clear warnings are necessary to prevent accidents. This sign is typical..

Danger - Acetylene

Danger - Acetylene Safety Signs

Acetylene is a highly flammable and explosive gas, making clear warnings vital wherever it is stored, handled, or used. The Danger - Acetylene sign plays a crucial role in communicating these serious hazards to all personnel and visitors. This sign is typically found in welding workshops, industrial..

Danger - Acid

Danger - Acid Safety Signs

A Danger - Acid sign is essential in areas where acidic substances are stored, handled, or used. It alerts personnel to the presence of corrosive acids that can cause severe burns, respiratory issues, or damage to materials, ensuring everyone takes appropriate precautions. This sign is typically pla..

Danger - Battery Acid

Danger - Battery Acid Safety Signs

Vital in areas where battery acid, typically sulfuric acid used in lead-acid batteries, is stored, handled, or charged. This highly corrosive substance can cause severe chemical burns, respiratory irritation, and damage to equipment, making clear warnings essential for safety. Commonly found in batt..

Danger - Chemicals

Danger - Chemicals Safety Signs

Essential in any area where hazardous chemicals are stored, handled, or used. It serves to alert workers, visitors, and contractors to the presence of potentially harmful substances that could cause injury, health risks, or environmental damage. This sign is typically placed near chemical storage ro..

Danger - Harmful Fumes

Danger - Harmful Fumes Safety Signs

Vital in environments where toxic or irritating gases and vapors may be present. These harmful fumes can pose serious health risks if inhaled, including respiratory problems, headaches, dizziness, or long-term illnesses. Clearly marking such areas helps to alert anyone entering to the potential dang..

Danger - Hydrochloric Acid

Danger - Hydrochloric Acid Safety Signs

Essential in any area where hydrochloric acid is stored, handled, or used. Hydrochloric acid is a highly corrosive chemical that can cause severe burns, respiratory harm, and damage to equipment or surfaces, so clearly marking its presence is vital for safety. Typically placed on storage tanks, chem..

Danger - Solvents

Danger - Solvents Safety Signs

Used to warn about the presence of solvents that may pose serious health and safety risks. Many solvents are flammable, toxic, or harmful to the skin and respiratory system. This sign alerts workers and visitors to handle these chemicals with care, use proper personal protective equipment (PPE), and..

Warning - Ammonia

Warning - Ammonia Safety Signs

Used to indicate the presence of ammonia gas or ammonia-containing substances, which can be hazardous to health and safety. Ammonia is a toxic, corrosive gas with a strong odor that can cause respiratory irritation, burns, and other serious health effects if inhaled or contacted. The primary purpos..

Warning - Caustic

Warning - Caustic Safety Signs

Crucial in environments where caustic substances, such as strong bases or alkalis (like sodium hydroxide), are stored or used. These chemicals can cause severe burns, eye damage, and harm to materials, so clearly marking their presence helps prevent accidents and injuries. This sign is typically dis..

Warning - Chemical Store

Warning - Chemical Store Safety Signs

Used to alert personnel and visitors that they are entering or are near an area where chemicals are stored. These chemicals can range from harmless substances to highly hazardous materials, including flammable, corrosive, toxic, or reactive agents. The sign warns of potential dangers such as spills,..

Warning - Chemical Waste

Warning - Chemical Waste Safety Signs

Alert individuals to the presence of hazardous chemical waste materials in a specific area. It serves as a crucial warning to handle the area with care, avoid direct contact, and follow proper disposal and safety procedures to prevent health risks and environmental contamination. This sign is typic..

Warning - Chlorine

Warning - Chlorine Safety Signs

Alert people to the presence of chlorine gas or chlorine-containing substances, which can be highly hazardous. Chlorine is a toxic and corrosive chemical that can cause severe respiratory issues, skin burns, and eye damage if inhaled or contacted. This warning sign helps ensure that workers and visi..

Warning - Corrosive

Warning - Corrosive Safety Signs

An important sign for areas where corrosive substances, such as acids, alkalis, or chemicals that can cause severe damage to skin, eyes, or materials, are stored, handled, or used. This sign alerts personnel to the potential hazards and encourages the use of proper protective measures. Typically, th..

Warning - Harmful

Warning - Harmful Safety Signs

Used to indicate the presence of substances or conditions that can cause harm to health if proper precautions are not taken. Unlike highly toxic materials, harmful substances may cause less severe but still significant adverse effects such as skin irritation, respiratory problems, or other health is..

Warning - Harmful Chemicals

Warning - Harmful Chemicals Safety Signs

Notify workers and visitors that harmful chemical substances are present in the area. These chemicals may not be immediately life-threatening but can cause adverse health effects such as skin irritation, respiratory issues, allergic reactions, or other long-term health problems if handled improperly..

Warning - Hazardous Waste

Warning - Hazardous Waste Safety Signs

Used to alert people to the presence of waste materials that pose chemical, biological, radiological, or physical hazards. Hazardous waste can be toxic, corrosive, flammable, or reactive, and improper handling can lead to serious environmental damage, injuries, or health problems. The sign serves as..

Warning - Pesticide

Warning - Pesticide Safety Signs

Alert workers and visitors that pesticides are being stored, applied, or are present in the area. Pesticides often contain chemicals designed to control pests but can be harmful to humans, animals, and the environment if not handled correctly. The sign serves as an important notice to exercise cauti..

Danger - LPG Highly Flammable

Danger - LPG Highly Flammable Safety Signs

Warn that liquefied petroleum gas (LPG) is present in the area, which is highly flammable and can ignite easily, leading to fires or explosions. LPG is commonly used as fuel for heating, cooking, and vehicles, but its flammability makes it a significant hazard if not handled correctly. The main pur..

Warning - Dust Hazard

Warning - Dust Hazard Safety Signs

Alert workers and visitors to areas where airborne dust particles pose a health or safety risk. Dust hazards are common in many industrial and construction environments, such as woodworking shops, mining sites, grain handling facilities, and manufacturing plants. Inhalation of certain dust types can..

Danger - Carbon Dioxide

Danger - Carbon Dioxide Safety Signs

Breathing CO can cause headache, dizziness, vomiting and nausea. If CO levels are high enough a person may become unconscious or die. Exposure to moderate and high levels of CO over long periods of time has also been linked with increased risk of heart disease.This warning sign highlights areas / it..

Danger - Refuelling Area

Danger - Refuelling Area Safety Signs

Hazard signs are displayed to advise and forewarn of potential dangers. This warning sign advises that the area in question is assigned to refuelling Materials Explained Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which si..

Danger - Cylinder Storage Area

Danger - Cylinder Storage Area Safety Signs

Gas cylinders should be stored carefully and this sign clearly indicates the location and potential hazards of compressed gas cylinders, advising individuals to take care in that vicinity. Materials Explained Below is a more detailed description of the materials this particular safety sign is ..

Caution - Risk of Extreme Heat - Keep Hydrated and Wear Sun Protection

Caution - Risk of Extreme Heat - Keep Hydrated and Wear Sun Protection Safety Signs

As global temperatures continue to rise we find ourselves working in ever more extreme conditions. When temperatures soar, remind staff and visitors of the risk and to drink plenty of water and use UV barrier creams where necessary. Materials Explained Below is a more detailed description of t..

A4 Warning - Construction Site

A4 Warning - Construction Site Safety Signs

This handy A4 size sign advises viewers that there is a construction site. Further safety signs should be used to ensure safety on site is adhered to. Materials Explained Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which sign..

Danger - Men At Work

Danger - Men At Work Safety Signs

A vital safety warning used to notify people that workers are actively engaged in potentially hazardous activities nearby. This sign is commonly placed in construction zones, roadworks, maintenance sites, or any area where manual labor or machinery operation might pose risks to both the workers and ..

Danger - Men Working Overhead

Danger - Men Working Overhead Safety Signs

Alert people that work is being carried out above ground level, such as on scaffolding, roofs, bridges, or elevated platforms. This sign warns of potential hazards like falling tools, debris, or materials, which could cause serious injury to anyone passing below. It emphasises the need for heightene..

Danger - Men Working Below

Danger - Men Working Below Safety Signs

An essential safety warning that alerts people to the presence of workers performing tasks beneath a certain area, such as under scaffolding, elevated platforms, bridges, or construction zones. This sign warns passersby or operators above to exercise caution to avoid dropping tools, materials, or de..

Danger - Deep Excavations

Danger - Deep Excavations Safety Signs

Used to alert people to the presence of large or deep holes, trenches, or pits in the ground, which pose serious risks such as falls, cave-ins, or entrapment. Deep excavations are common in construction, utility works, and landscaping projects, where the ground is dug out for foundations, pipelines,..

Caution - Out of Order

Caution - Out of Order Safety Signs

A straightforward but important notice used to inform people that a piece of equipment, machinery, or facility is currently not functioning properly and should not be used. This sign helps prevent accidents, damage, or inconvenience that could arise from attempting to use something that is broken, u..

Warning - Battery Charging in Progress

Warning - Battery Charging in Progress Safety Signs

An important safety notice used to alert people that batteries are currently being charged in the area. Battery charging, especially for industrial or vehicle batteries like those in forklifts or electric vehicles, involves electrical currents that can pose risks such as electric shock, fire hazards..

Caution - Arc Welding

Caution - Arc Welding Safety Signs

Alert people that arc welding operations are taking place nearby. Arc welding involves intense electrical currents and produces bright, ultraviolet light, sparks, and hot metal fumes, all of which can pose serious risks such as burns, eye damage, fire hazards, and inhalation of harmful gases. This s..

Danger - Test Area

Danger - Test Area Safety Signs

Used to indicate that a location is restricted due to testing activities that present potential hazards. It warns people that they are entering an environment where safety risks exist and that only authorised, trained individuals should proceed. Such areas are often part of research facilities, indu..

Danger - Quarry Workings

Danger - Quarry Workings Safety Signs

Warn people about the hazardous conditions present in or near an active quarry site. Quarry areas often involve heavy machinery, unstable ground, deep pits, blasting operations, and falling rocks, all of which pose serious risks to anyone entering without proper knowledge or authorisation. The prim..

Warning - Sudden Drop

Warning - Sudden Drop Safety Signs

Alert people to the presence of an unexpected or steep drop-off nearby, such as a ledge, cliff edge, or a sudden change in floor or ground level. This warning helps prevent falls and injuries by making people aware of the hazard before they reach the edge. The main purpose of the sign is to protect..

Warning - Hazardous Area

Warning - Hazardous Area Safety Signs

Alert people that they are approaching or entering a zone where dangers exist that could cause injury or harm. This general warning is often applied in environments where multiple risks are present, such as chemical storage, construction sites, manufacturing plants, or areas with heavy machinery. T..

Danger - Men Working On Plant

Danger - Men Working On Plant Safety Signs

Warn people that workers are carrying out maintenance, repairs, or operations on heavy machinery or industrial equipment (often referred to as “plant”). This sign alerts passersby and other employees to the presence of personnel in potentially hazardous areas where machinery might be active or in a ..

Caution - Paint Store

Caution - Paint Store Safety Signs

Used to alert individuals that they are entering or near an area where paints and related chemicals are stored. These materials often contain flammable, toxic, or hazardous substances that require special handling and awareness. The sign serves as a proactive warning to encourage safe behaviour, lim..

Warning - Compressed Gas

Warning - Compressed Gas Safety Signs

Used to alert people to the presence of compressed gas cylinders or systems, which pose serious hazards if mishandled. Compressed gases can be flammable, explosive, toxic, or under high pressure, and even non-toxic gases can become dangerous if released suddenly. The sign serves as a visual warning ..

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Why get safety signs printed by Caledonia Signs?

Why get safety signs printed by Caledonia Signs?

1. Regulatory Compliance One of the primary reasons to have safety signs professionally printed is to ensure compliance with UK laws. The Health and Safety (Safety Signs and Signals) Regulations 1996 require that specific safety signs be used in workplaces to prevent accidents and injuries. Caledonia Signs understand these requirements and ensure your signs meet legal standards, including adherence to the BS EN ISO 7010 format for safety symbols. Adhering to the BS EN ISO 7010 format is crucial because it ensures safety signs are universally recognised and understood. The standard uses clearly defined symbols that have been tested for visibility and comprehension, making them effective even in high-stress situations or for individuals who do not speak the local language. This helps prevent accidents by enabling quick and correct responses to potential hazards. Many "pop up printers" don't fully understand the importance of ISO 7010. From a legal standpoint, compliance with ISO 7...>>> READ MORE >>>

Why you should work with Caledonia Signs

Why you should work with Caledonia Signs

Caledonia Signs are the number one choice for trade As a market leading UK supplier of safety signs, we provide our distributors with a vast range of innovative, cost effective and premium signs. Additionally, we offer a number of sales, marketing and technical support packages to help our distributors maximise their sales opportunities. Unlike many of our competitors, we manufacture only for sale through our distributor network. Caledonia Signs will never approach your customer base directly. Caledonia are committed to help our distributors maximise their sales opportunities We help our distributors in innovative ways and by being driven to provide the highest quality services. Caledonia Signs provide a online portal where our distributors can sign in, view cost and RRP pricing of all products, download marketing material and product data sheets, raise and instantly send purchase orders for us to process, and view your order history. We also provide workplace a...>>> READ MORE >>>

Signage Solutions: Avian Influenza & Animal Disease Control

Signage Solutions: Avian Influenza & Animal Disease Control

Take action! New signage to help prevent the spread of bird flu outbreaks across the UK With a growing number of reports relating to avian influenza outbreaks across the UK, biosecurity and disease prevention have become a growing concern for many businesses - particularly those in the farming, agriculture, and park / recreation industries. Although transmission to humans is currently low and primarily involves people in frequent contact with birds and poultry, it is important to be aware of the risks and to take the necessary precautions to minimise those risks. Inside is a range of signs and products which can help educate, inform and advise, and to encourage best practice in terms of hygiene and safety. Avian Influenza primarily affects birds, however some strains can infect other animals, including domestic pets such as cats and dogs, especially if they come into contact with infected birds or contaminated environments. Exposure to environments contaminated wit...>>> READ MORE >>>

Stress Awareness Month

Stress Awareness Month

Stress Awareness Month: Leading with Love and Support With Stress Awareness Month fast approaching, now is the perfect time to remind our distributors of the wide range of health and wellbeing posters we offer. These resources are designed to reduce stigma and encourage healthier lifestyles and workplaces. Whether you’re in the fire and security industry or a PPE supplier, Caledonia believes that fostering inclusion and understanding in staff rooms, site offices, or waiting areas is crucial. These spaces can become catalysts for important conversations, inspiring both staff and the public to take simple steps to improve their well-being. Stress in the UK: A Growing Concern Stress is a significant issue across the UK, with 74% of people reporting that stress has made them feel overwhelmed and unable to cope (YouGov, 2018 for the Mental Health Foundation). Stress Awareness Month is a time to acknowledge the profound impact stress can have on our lives and, just as imp...>>> READ MORE >>>