Warning - Construction Site Safety Signs by Caledonia Signs - Trade Only Supplier
Warning signs on construction sites are essential for protecting workers, visitors, and the general public from potential hazards. These signs alert individuals to dangers such as falling objects, open trenches, electrical risks, moving machinery, or hazardous substances. By clearly identifying these risks, warning signs help prevent accidents and injuries, ensuring that everyone on-site remains aware and vigilant. In environments where conditions can change rapidly, having visible, up-to-date warnings is critical to maintaining a safe working environment.
These signs are also an important part of meeting legal and regulatory requirements. Occupational health and safety laws in many countries mandate the use of specific warning signs to highlight dangers and enforce safety protocols. Failure to provide proper warning signage can result in legal consequences, project delays, fines, or increased liability in the event of an incident. By displaying the correct warning signs, construction companies not only comply with regulations but also show their commitment to maintaining a safe work environment.
Warning signs serve as constant reminders of site-specific risks, reinforcing safety training and protocols that workers may already know but could forget in the rush of daily tasks. For new workers, subcontractors, or visitors unfamiliar with the site, these signs are especially valuable in quickly communicating where caution is needed. Their presence can influence safer behaviour, reduce human error, and lower the likelihood of dangerous situations developing due to ignorance or carelessness.
In addition to protecting individuals, warning signs help safeguard expensive equipment, ongoing work, and the integrity of the construction site itself. Preventing unauthorised access to hazardous zones, for example, can reduce damage and minimize costly delays. Ultimately, warning signs are a low-cost but highly effective tool in risk management and safety culture, playing a key role in ensuring that construction projects are completed without incident and with the well-being of all involved in mind.
Caution - Site Entrance - Banner with Eyelets Safety Signs
Using a Caution "Site Entrance "Banner provides several key benefits for enhancing safety and communication on construction sites or restricted work areas. First, the banner serves as a highly visible warning that alerts everyone entering the site to proceed with caution. Its bold lettering and bright colours ensure the message stands out, helping to reduce accidents by making visitors and workers..
Danger - Cylinder Storage Area Safety Signs
Used to alert personnel, visitors, and contractors that a designated area contains gas cylinders, which may be pressurised, flammable, toxic, or otherwise hazardous. The presence of these cylinders creates a potential for serious incidents such as explosions, leaks, fire, or chemical exposure if handled incorrectly. The sign serves as a visual cue that emphasizes caution and reinforces the importa..
Caution - Risk of Extreme Heat - Keep Hydrated and Wear Sun Protection Safety Signs
Prolonged exposure to extreme heat can cause dehydration, heat exhaustion, heat stroke, and other heat-related illnesses. The sign serves as a preventive measure, reminding individuals to stay hydrated, wear appropriate sun protection, and take regular breaks to reduce the risk of heat-related health issues. This sign should be placed in outdoor work environments, construction sites, industrial f..
Warning - Strong Winds Safety Signs
Alert people to the potential hazards caused by high winds in a specific area. Strong winds can create dangerous conditions, such as falling branches, flying debris, unstable structures, or difficulty controlling vehicles, bicycles, and machinery. The sign encourages individuals to exercise caution, secure loose objects, and adjust activities to prevent accidents or injuries. This sign should be ..
Danger - Men Working Overhead - Roll Top Sign Safety Signs
Using a Danger - Men Working Overhead Roll Top Sign is crucial for maintaining workplace safety, particularly in construction zones, warehouses, and industrial sites. These signs provide a highly visible warning to passersby, employees, and site visitors that work is being carried out above them. This helps prevent injuries from falling objects, debris, or tools and ensures people stay clear of ha..
Warning - Construction Site - Keep Out - Roll Top Sign Safety Signs
Control access and enhance hazard awareness in active construction zones with this roll top sign. Its bold message and clear visibility are critical in preventing unauthorised entry, which can lead to serious accidents or legal issues. The sign serves as an immediate visual cue to alert the public and personnel that the area is dangerous and restricted. The practical roll top design easily hooks ..
Caution - Construction Traffic - Banner with Eyelets Safety Signs
A Caution - Construction Traffic Banner with Eyelets is used to warn drivers, pedestrians, and workers about the presence of construction vehicles entering or operating in a specific area. It serves as a clear visual alert in zones where construction traffic may pose safety risks, helping to reduce accidents and improve overall site safety. This banner is typically installed at construction site ..
Warning - Fragile Roof - Roll Top Sign Safety Signs
Alert workers, contractors, and visitors to the presence of a fragile or delicate roof surface that may not support weight safely. This sign is especially important in construction, maintenance, and roofing sites where stepping on certain roof areas could lead to falls or structural damage. Designed to hook over scaffolding poles or barriers, it is easy to position at entrances to fragile roof zon..
Caution - Loading Area - No Parking Safety Signs
Prevent unauthorised vehicles from parking in active loading zones. Keeping these areas clear ensures smooth movement of forklifts, delivery trucks, and other vehicles, reducing the risk of accidents, delays, and operational inefficiencies. The sign also helps maintain compliance with safety regulations by keeping critical work areas unobstructed. These signs are particularly important in warehou..
Warning - Exclusion Zone - No Unauthorised Admittance - Zone ID and Contact Safety Signs
Clearly mark areas that are strictly off-limits to unauthorised personnel. Exclusion zones are often established around hazardous operations, dangerous machinery, high-risk chemical or electrical areas, or sensitive equipment, where entry could result in serious injury, contamination, or security breaches. Including a Zone ID and contact details allows personnel to identify the specific zone and r..
Warning - Restricted Zone - No Unauthorised Personnel - Zone ID and Contact Safety Signs
Clearly indicate areas with limited access where only authorised personnel are allowed. Including a Zone ID and contact information allows staff, visitors, or emergency responders to quickly identify the area and contact the responsible person or department for access, questions, or emergencies. These signs are particularly important in industrial facilities, construction sites, laboratories, war..
Caution - Loading Bay - Maximum SWL Safety Signs
Clearly indicate the Safe Working Load (SWL) limit of a loading bay, dock, or lifting equipment in the area. The SWL represents the maximum weight that can be safely handled without risking structural damage or accidents. Displaying this sign ensures that all personnel are aware of weight limits, helping prevent overloading, equipment failure, and potential injuries. These signs are particularly ..
Danger - Asbestos - No Unauthorised Persons - No Smoking - Eating or Drinking Safety Signs
Warn individuals about the serious hazards associated with asbestos. It clearly communicates that only authorised personnel may enter the area and that smoking, eating, or drinking is strictly prohibited, helping prevent the ingestion or inhalation of asbestos fibers, which can cause severe respiratory illnesses and other health issues. These signs are particularly important in construction sites..
Danger - Asbestos - No Unauthorised Persons - No Smoking - Eating or Drinking - Approved Respirator Safety Signs
Warn individuals about the serious hazards posed by asbestos. It communicates that only authorised personnel may enter the area and that strict safety measures must be followed, including the use of an approved respirator and the prohibition of smoking, eating, or drinking. This ensures protection against inhaling asbestos fibers, which can cause severe respiratory diseases. These signs are parti..
Respirator Zone - Danger - Asbestos - No Unauthorised Persons - No Smoking - Eating or Drinking Safety Signs
Warn individuals about the presence of asbestos, a hazardous material that can cause serious lung diseases when inhaled. The sign clearly communicates that only authorised personnel wearing proper respiratory protection may enter, and that smoking, eating, or drinking is strictly prohibited to prevent contamination and exposure. These signs are particularly important in construction sites, demoli..
Warning - Construction Site - A4 Safety Signs
Clearly alert people that they are entering an active construction area where hazards may exist. It serves as a visual warning to both workers and the public, helping to prevent unauthorised access and reduce the risk of accidents from construction activities such as moving machinery, falling objects, or uneven surfaces. You should place this sign at all entry points to the construction site, i..
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 the public. It alerts passersby to be cautious and aware of their surroundings to avoid accidents. ..
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 heightened awareness and caution in the area beneath the overhead work. You'll typically see this sign aroun..
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 debris that could injure those working below. It also signals people on the ground to be aware of thei..
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, or drainage systems. The sign serves to warn workers, visitors, and the public to stay clear or tak..
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, unsafe, or undergoing maintenance. You'll commonly see this sign on items like elevators, vending ma..
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, or exposure to harmful gases. This sign warns personnel and visitors to exercise caution around th..
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 sign warns workers and visitors to take appropriate safety precautions and avoid entering the area wi..
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, industrial sites, or engineering environments where specialised procedures are taking place. The main r..
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 primary purpose of this sign is to prevent accidents and injuries by alerting workers, visitors, and the..
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. The primary purpose of the sign is to make individuals aware of potential dangers so they can take ap..
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-€ù). This sign alerts passersby and other employees to the presence of personnel in potentially hazardous areas where machinery might be active or in a vulnerable state. The main purpose of the sign is to protect workers and others by making them aw..
Warning - Stand Clear of Suspended Loads Safety Signs
Alert people that heavy objects are being lifted or carried overhead by cranes, hoists, or other lifting equipment. This warning is critical to prevent injuries caused by falling or swinging loads, which can cause serious harm or even fatalities. The main purpose of the sign is to keep individuals out of danger zones beneath or near suspended loads, reminding them to stay clear to avoid being str..
Caution - Hot Contents Safety Signs
Warn individuals that the contents of a container, machine, or surface are hot and could cause burns or injuries. This type of warning is essential in environments where hot liquids, food, or machinery are handled, as it draws attention to potential hazards and encourages careful handling. By alerting people to the risk, the sign helps reduce accidents and promotes a culture of safety. These sign..
Warning - Moving Parts may cause Hand Crush Injuries Safety Signs
Alert personnel to the serious risk of hand injuries caused by machinery or equipment with moving components. It warns that placing hands near or in contact with moving parts could result in crushing injuries, amputations, or other severe harm. By providing a clear, visible warning, the sign helps prevent accidents and promotes a culture of safety in the workplace. These signs are particularly im..
Danger - Demolition Work in Progress Safety Signs
This "Danger "Demolition Work in Progress" sign is used to warn people that an area is undergoing demolition activities, which can pose severe hazards such as falling debris, unstable structures, dust, noise, and the operation of heavy machinery. It communicates that the site is unsafe for unauthorised access and that extreme caution must be taken by those who are permitted to be there. This type ..
Warning - Construction Site - Keep Out Safety Signs
Alert people that they are approaching a hazardous construction zone and that unauthorised entry is strictly prohibited. Construction sites present numerous risks, including moving machinery, falling materials, uneven ground, open excavations, and other dangers that may not be immediately visible to someone unfamiliar with the work area. The sign is message combines a hazard alert with a clear ins..
Warning - Look Out for Overhead Loads Safety Signs
Essential for alerting people to the danger of objects being lifted or suspended above ground level. Overhead loads, such as cranes carrying materials, hoists, or suspended equipment, pose a significant risk of injury or fatality if they fall or swing unexpectedly. The sign acts as a proactive warning to pedestrians and workers, encouraging them to stay clear of the area or take precautions, there..
Caution - Refurbishment in Progress No Unauthorised Entry Safety Signs
Alert people that refurbishment or renovation work is taking place in a specific area and that access is restricted. Its primary purpose is to ensure safety by clearly communicating that only authorised personnel should enter, as the environment may contain hazards such as tools, machinery, debris, or unstable structures. By preventing unauthorised entry, the sign reduces the risk of accidents, in..
Danger - Scaffolding Incomplete Safety Signs
Warn workers, contractors, and visitors that a scaffolding structure is not yet fully erected or safe for use. Its primary purpose is to prevent accidents, falls, or structural failures by clearly indicating that the scaffold should not be climbed or used until completion and proper inspection. The sign emphasizes that entering or using the area poses a serious risk of injury. This sign is typica..
Danger - Open Manhole Safety Signs
Warn workers, pedestrians, and visitors of the presence of an uncovered or partially open manhole. Its primary purpose is to prevent accidents, such as falls, trips, or injuries, by clearly indicating a serious hazard in the area. This sign is typically placed around the perimeter of the open manhole, on temporary barriers, or at a safe distance leading up to it. Positioning it where people are l..
Warning - Overhead Crane Safety Signs
This Warning "Overhead Crane sign is used to alert personnel and visitors that an overhead crane is in operation in the area. Its primary purpose is to warn people of potential hazards from moving loads, crane hooks, or suspended equipment, helping to prevent accidents, injuries, or property damage. This sign is typically placed at the entrances to workshops, warehouses, or construction zones whe..
Danger - Falling Objects Safety Signs
Warn workers, visitors, and the public of the risk of objects falling from above. Its primary purpose is to prevent injuries by alerting people to areas where overhead work, loading operations, or unsecured materials could result in objects dropping onto personnel below. This sign is typically placed at entrances to work zones, beneath scaffolding, mezzanines, or storage racks, and along walkways..
Danger - Falling Hazard - Fall Arrest Equipment Must be Worn Safety Signs
This Danger "Falling Hazard "Fall Arrest Equipment Must Be Worn sign is used to warn personnel of areas where there is a significant risk of falling from height, such as roofs, elevated platforms, scaffolding, or open edges. Its primary purpose is to ensure that anyone working in the area uses proper fall protection equipment, such as harnesses, lanyards, or anchor points, to prevent serious injur..
Warning - Beware of Moving Vehicles Safety Signs
Used to alert pedestrians, workers, and visitors to the presence of vehicles operating in an area. Its primary purpose is to prevent accidents and injuries by making people aware of the potential danger from forklifts, trucks, construction vehicles, or other moving machinery. This sign is typically placed at entrances to worksites, industrial areas, loading bays, or any zone where vehicles and pe..
Warning - Site Traffic Safety Signs
This Warning "Site Traffic signs are important because they inform workers, visitors, and pedestrians about the presence of moving vehicles within a site. Their primary purpose is to reduce the risk of accidents, collisions, and injuries by making people aware that vehicles, such as trucks, forklifts, or construction machinery, may be operating in the area. These signs help enforce vigilance and c..
Caution - Any Person Found Urinating / Use Welfare Facilities Safety Signs
Communicate that inappropriate behaviour, such as urinating on the site, is strictly prohibited and will have serious consequences. Its primary purpose is to maintain hygiene, professionalism, and a safe working environment by directing personnel to use designated welfare facilities, such as toilets or restrooms. This sign is typically placed in areas where unauthorised urination might occur, suc..
Danger - Open Pit Safety Signs
Warn personnel and visitors of the presence of an open pit or excavation, which poses a serious risk of falls, injuries, or entrapment. Its primary purpose is to prevent accidents by making people aware of the hazard so they can take necessary precautions and avoid the area unless authorised and properly equipped. This sign is typically placed at the edges of open pits, excavations, trenches, or ..
Danger - Asbestos No Unauthorised Persons Beyond this Point Safety Signs
Clearly identify areas where asbestos-containing materials are present and where only trained, authorised personnel are allowed entry. Asbestos is a hazardous substance that can cause serious respiratory diseases, including asbestosis, lung cancer, and mesothelioma, when inhaled. This sign serves as a critical warning to prevent accidental exposure, protect health, and ensure compliance with safet..
Danger - Hot Works in Progress - No Unauthorised Entry Safety Signs
Alert personnel and visitors that hot work activities—such as welding, grinding, cutting, or soldering—are taking place in a designated area. Hot work generates sparks, heat, and flames that can ignite flammable materials, creating a high risk of fire or explosion. The sign serves as a critical warning to prevent unauthorised personnel from entering the hazardous zone and ensures that only trained..
Danger - Hot Works Area - Approved PPE must be Worn Safety Signs
Warn personnel that they are entering a hazardous area where hot work activities such as welding, grinding, cutting, or soldering are taking place. These activities produce sparks, heat, and potentially harmful fumes, creating risks of burns, eye injuries, inhalation hazards, and fire. The sign emphasizes that appropriate personal protective equipment (PPE)—such as flame-resistant clothing, gloves..
Danger - Flammable Storage Area - No Hot Works Permitted Safety Signs
Alert personnel that the area contains flammable materials, chemicals, or liquids, and that any activity that could produce sparks, flames, or heat—such as welding, cutting, or grinding—is strictly prohibited. This warning helps prevent fires, explosions, and other catastrophic incidents by ensuring that hazardous operations are not carried out near highly combustible substances. This sign should..
Warning - Quarry Workings - Keep Out Safety Signs
Alert people to the hazards associated with active or abandoned quarries. Quarries pose multiple risks, including steep drops, unstable ground, loose rocks, machinery in operation, and potential for flooding or sudden landslides. The sign serves as a clear, visual warning to prevent unauthorised access, helping to reduce accidents, injuries, or fatalities. It communicates in a simple and direct wa..
Warning - Quarry Workings - No Unauthorised Persons Safety Signs
An essential safety notice used to restrict access to quarry sites and protect both the public and workers from hazards. Quarries present significant dangers such as unstable rock faces, deep excavations, moving machinery, loose debris, and sudden drops. This sign communicates clearly that only authorised personnel with proper training and protective equipment may enter the site, helping to preven..
Danger - Quarry Workings - Deep Water - No Swimming - Keep out Safety Signs
A critical safety notice designed to prevent accidents at quarry sites where deep water is present. Quarries often contain sudden, steep drops and deep, cold water, which pose drowning risks even to experienced swimmers. This sign serves as a clear warning of the water hazard, explicitly instructing people not to swim and to stay away from the area, helping reduce the likelihood of serious injury ..
Danger - Tipping Exclusion Zone Safety Signs
Warn personnel and visitors that a specific area is designated as a high-risk zone for tipping operations, such as the unloading or dumping of heavy materials, vehicles, or machinery. Entering this area could result in serious injury or fatality due to falling loads, shifting equipment, or unstable ground. The sign communicates that only authorised personnel should be present and that strict safet..
S.A.F.E.T.Y - Spot - Assess - Find - Evaluate - Terminate - You Are Safe Safety Signs
Designed to promote a structured approach to hazard identification and risk management. This sign provides employees and contractors with a step-by-step reminder of the process to safely identify, assess, and eliminate workplace hazards, helping prevent accidents, injuries, and operational disruptions. It encourages proactive safety behaviour by reinforcing a methodical approach to dealing with po..
Danger - People at Work Safety Signs
Used to alert passersby, drivers, and other personnel that work activities are taking place in the area that may pose hazards, such as moving machinery, construction operations, or maintenance tasks. The sign communicates that extra caution is required to prevent accidents, injuries, or interference with work activities. This sign should be placed in construction sites, roadworks, maintenance are..
Danger - People Working Overhead Safety Signs
Alert personnel and visitors that work is being carried out above ground level, where tools, materials, or debris could fall and cause injury. The sign communicates the need for caution, directs people to avoid the area if possible, and encourages the use of personal protective equipment such as hard hats. It is critical for preventing accidents and ensuring the safety of everyone in the vicinity ..
Danger - People Working Below Safety Signs
Used to alert personnel, visitors, and vehicle operators that work is being conducted at a lower level or underneath an elevated area. The sign communicates the risk of dropping tools, materials, or debris from above and emphasizes the need for caution to prevent injury to people working below. It ensures that both overhead workers and those nearby are aware of the hazard and take appropriate safe..
Danger - People Working On Plant Safety Signs
Used to alert personnel, vehicle operators, and visitors that workers are performing tasks on or around industrial plant machinery, equipment, or vehicles. The sign communicates that the area is a high-risk zone, where moving machinery, elevated work, or operational hazards may pose serious risks of injury. It ensures that operators and nearby personnel exercise caution and follow safety procedure..
Warning - People Working Overhead Safety Signs
Inform personnel, visitors, and vehicle operators that work is being carried out above ground level, where tools, materials, or debris could fall and cause injury. The sign emphasizes the need for caution in the area, encourages the use of personal protective equipment (such as hard hats), and helps prevent accidents caused by falling objects. This sign should be placed in construction sites, main..
Caution - People Working On Equipment Safety Signs
Highlight to personnel, visitors, and vehicle operators that maintenance, repair, or operational work is being conducted on machinery or equipment in the area. It communicates the potential risk of injury from moving parts, electrical components, or unexpected equipment operation, encouraging vigilance and adherence to safety protocols. This sign should be placed in industrial facilities, manufact..
Danger - People Working Overhead - Roll Top Sign Safety Signs
This highly durable roll top sign has been designed to neatly hook over scaffolding...