Wet Chemical Extinguisher Identification Sign - Safety Signs by Caledonia Signs

A Wet Chemical Extinguisher Identification sign is used to clearly mark the presence and specific purpose of a wet chemical fire extinguisher. This type of extinguisher is uniquely suited for tackling Class F fires, which involve cooking oils and fats—fires that are common in commercial kitchens and food preparation areas. The sign helps ensure that in the event of a kitchen fire, the correct extinguisher is quickly located and used.

Wet chemical extinguishers work by cooling the fire and forming a soapy layer over the burning oil, cutting off the oxygen supply and preventing re-ignition. However, they are not suitable for electrical fires or flammable liquids, so it’s crucial that their use is clearly defined through proper signage. The sign typically includes text and pictograms showing its intended use and warnings against inappropriate use.

These signs should be placed above or directly beside the extinguisher, in areas where Class F fire risks are present. The most common locations include commercial kitchens, canteens, food trucks, and restaurant cooking areas, especially where deep-fat fryers are in operation. Proper placement ensures visibility and accessibility during a fire emergency, even in high-pressure situations.

Using a Wet Chemical Extinguisher Identification sign supports good fire safety practices by helping staff quickly recognize the extinguisher’s purpose and limitations. In high-risk areas like kitchens, this can prevent dangerous mistakes and help control fires more effectively. Clear, consistent signage is a simple but vital part of any workplace fire response system.

Materials Explained

Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which sign option is most suitable for your application.

Rigid Plastic: This lightweight, gloss white PVC is resistant to weather, moisture, chemicals, and general wear and tear, making it suitable for harsh environments. Its smooth, solid surface allows for crisp printing of text and graphics, enhancing readability and visual impact. Businesses who choose Rigid Plastic signs benefit from fewer replacements and minimal maintenance, making it a practical investment for reliable and effective safety signs.

Self-Adhesive Vinyl: Self-adhesive vinyl is easy to apply and it’s budget-friendly. Its adhesive backing allows for easy application to a variety of surfaces such as glass, metal, plastic, and painted walls, which simplifies installation and reduces setup time. Self-adhesive vinyl provides a clean, professional finish that suits many indoor environments including offices, retail, industrial sites, and vehicles. It is more affordable than many other material types and allows for custom shapes, colours, and graphics.

To achieve high performance in low light conditions and conform to ISO 16069 we recommend using Ultra Bright.

Ultra Bright Photoluminescent Rigid Plastic: Ultra Bright rigid plastic has a photoluminescent (glow in the dark) pigmentation which offers a highly effective, reliable, and energy-free visibility in low-light or blackout conditions, making them ideal for emergency exit applications. The afterglow properties exceed PSPA Class C grade, as measured to DIN 6751, provides razor sharp definition in blackout conditions.

Ultra Bright Photoluminescent Self Adhesive: Ultra Bright self adhesive vinyl is a flexible PVC with photoluminescent (glow in the dark) pigmentation. The self-adhesive backing enables quick, tool-free application on smooth, clean surfaces like walls and doors. The afterglow properties exceed PSPA Class C grade, as measured to DIN 6751, provides razor sharp definition in blackout conditions, making them ideal for emergency escape applications.

Rigid Plastic with Self Adhesive Backing: Our standard rigid plastic is a gloss white, smooth, solid material that allows for crisp printing of text and graphics - resistant to weather, moisture, chemicals. A strong peel & stick adhesive backing eliminates the need for tools or hardware, providing a long-lasting bond to most smooth surfaces, saving time and labour costs.

5. Anodised Aluminium: A fully recyclable, premium material for signage, offering a combination of durability, aesthetics, and performance. A lightweight yet extremely strong material which won’t rust or peel. It is sleek, professional looking and has a smooth satin finish. A smart, 100% recyclable, sustainable option for environmentally conscious projects.

Brass:A fully recyclable premium material that is highly durable and resistance to weathering, corrosion, and physical wear. Its distinctive, polished appearance is especially valued in prestigious buildings, corporate offices, or high-end facilities where both safety and aesthetic standards are important. Additionally, the professional and sturdy look of a brass sign also conveys a sense of authority and importance, encouraging people to pay attention.

Acrylic with Anodised Aluminium Stand-offs:A fully recyclable high quality cast acrylic which has a good resistance to weather, discolouring and most chemicals - ensuring it maintains it's finish with minimal maintenance. Acrylic provides a sleek, glass-like appearance that gives signs a clean, modern, and professional look whilst the anodised aluminium stand-offs create a floating effect by holding the sign slightly away from the wall, adding depth and visual interest. This combination is very popular in corporate offices, hotels, reception areas, and high-end retail environments where a polished, contemporary finish is desired.