Engraved Sign with Adhesive Back - Blue - Safety Signs by Caledonia Signs

Getting a sign engraved on blue 2-ply white plastic is ideal when you need a durable, professional-looking sign that conveys mandatory safety instructions or important workplace information. The blue top layer immediately signals a mandatory action under standard safety colour codes, while the engraving reveals a crisp white underlayer, creating a clear, high-contrast message that’s easy to read at a glance.

One of the biggest benefits of blue 2-ply white plastic is its long-lasting durability. The lettering and symbols are cut into the material rather than printed, so they won’t fade, peel, or rub off over time. This makes it perfect for both indoor and outdoor use, even in environments exposed to moisture, sunlight, cleaning chemicals, or frequent handling. The rigid construction also resists warping and cracking, ensuring the sign stays functional and legible for years.

In terms of placement, blue-over-white engraved signs are often used in areas where specific actions must be taken for safety or compliance. Examples include “Wear PPE” notices, “Hearing Protection Must Be Worn” reminders, machine operating instructions, hygiene requirements in food preparation zones, or lab safety protocols. The blue background clearly distinguishes them from warning or prohibition signs, reducing confusion and ensuring quick recognition.

Overall, a sign engraved on blue 2-ply white plastic combines visibility, resilience, and compliance with safety colour standards. It’s best suited for mandatory instruction signage in industrial sites, laboratories, construction zones, and controlled public areas, where clear guidance and long-term reliability are essential.

Materials Explained

Materials Explained

Any product outside of our standard choice of material/size range starts with a 5. This may include items such as rolls of tape, sign frames, floor graphics or banners. Below you can find a more detailed description of the miscellaneous material options available for this sign design.

2-Ply PVC :Manufactured from durable 1.5mm 2-ply PVC with a variety of professional two-tone finishes. 2-ply PVC can be printed onto or the surface layer can be engraved to reveal a second colour beneath. Additionally, it is naturally resistant to moisture, UV rays, and many chemicals. A cost-effective, low-maintenance, and highly customisable option for facilities that need tough, legible, and long-lasting signage.