Why Choose Our Large Corrugated Plastic Signs?
- Wide-format precision extruded: up to 2600mm/8.5ft wide, eliminating weak joints.
- Perfectly flat, rigid surface: presents a clean, authoritative image for months.
- No Transport Broken: package with corner protectors and secure bundling.
- Custom The Exact Size You Need: full customization on size, thickness, and color.
- High impact resistance: we offer heavy-duty thicknesses specifically for high-traffic.
- On Time Delivery: with 16 production lines assure your big orders are delivered on time.
What Are The Large Corrugated Plastic Signs?
When your message needs to be seen from a distance or withstand a challenging environment, standard corrugated plastic signs are not enough. Large corrugated plastic signs are the industrial-grade solution for you. Made from double-walled (twin-wall) polypropylene sheets, the large corrugated plastic signs have the features of lightness,waterproofness, and high rigidity.
At Purepack Plastic factory, we are good at producing the core material in extra-large sizes and then making them into finished large corrugated plastic signs. Whether it’s for a multi-story construction barrier, a permanent outdoor directory, or a massive event backdrop, we provide the scale, durability, and fabrication expertise you need.
Choose The Most Suitable Large Corrugated Plastic Signs
We have many kinds of corrugated plastic yard signs for customers. The common types our customers use are as follows:

Large corrugated plastic signs for shopping centers, campuses, or industrial parks. Ideal for back-lit applications or direct printing.

Large corrugated plastic signs for trade show walls, concert stages, or exhibition backgrounds. Easy to transport and assemble.

Large corrugated plastic signs, detour arrows, or informational panels for roadworks and public events. Highly visible and impact-resistant.

Large corrugated plastic signs for covering renovations or used for temporary building wraps. Provides a smooth printable surface and weather protection.
Key Features of Large Corrugated Plastic Signs

The twin-wall hollow core structure makes it light yet rigid.

Can be cut with standard tools, routed, drilled, thermoformed, and welded.

It is important for large signs, which can reduce distracting sun glare and improve readability for drivers.

It resists many chemicals, and the stain can be cleaned off easily.
Exclusive Wide-Width Production Capacity
We are one of the few manufacturers of large corrugated plastic signs with ultra-wide extrusion production lines. We can produce continuous sheets with a maximum width of 2600mm (over 8.5 feet) per sheet. This means that we can provide a large panel as a whole for large signage requirements. For you, it can eliminate structural weaknesses, ensure optimal flatness, assure your large graphics or information is presented most professionally, and install faster and more stably.


We Can Offer One-Stop Solutions
We don’t just sell large corrugated plastic signs. From plastic pellets to being extruded into large boards, to cutting and welding reinforcement according to your requirements, everything is completed in our own factory. You don’t have to search around; communication is easy, responsibilities are clear, and delivery is faster. Whether it’s choosing plastic corrugated sheets for self-processing or directly customizing large corrugated plastic signs, finished products are acceptable.
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Why You Choose Purepack?


We are a comprehensive production enterprise specializing in the production of plastic hollow boards and their extended products. We can provide one-stop solutions for large corrugated plastic signs.
The Purepack Cambodia factory has given the price of large corrugated plastic yard signs a great advantage by combining the advanced production technology with Cambodia’s lower labor cost, so as to maximize customer benefits. As our customers, what you can get is not only products and processing, but more importantly, service and commitment with 100% engagement.

A major developer used our seamless 8ft tall panels to create a continuous, professional graphic wrap around a 2-year construction site. The UV-resistant material maintained color vibrancy, withstanding city pollution and weather.

For a complex interstate repair project, the contractor needed oversized, crash-resistant directional signs. Our 10mm thick, custom-cut panels are durable and with high visibility, can withstand high winds, and ensure clear driver visibility throughout the project.
- Technical Data
- Customer Gallery
- Quality Certification
- Factory Gallery
| Product Name | Large Corrugated Plastic Signs |
| Typical Thick | 2mm-12mm, or customized |
| Standard Size | Any size can be customized (Width< 2600 mm) |
| Special treatment | Anti-static, conductive, flame-retardant |
| Color | Black, white, blue, transparent, red, green, yellow, or customized |
| Packaging | Film ordinary packing or according to the customer’s requirements |
| Certificate | ISO9001, ISO14001, SGS, TUV |
| MOQ | 5000 pieces |
Testimonials
We build custom large corrugated plastic signs tailored to your panel dimensions, using internal bracing and secure strapping. Our extensive export experience ensures we know how to pack for safe, long-distance travel.
Both options are available. Our corona-treated surface is excellent for direct grand-format digital printing. Alternatively, we can supply blank panels for you to apply vinyl. The direct printing is often recommended in harsh environments as there’s no laminate or vinyl to peel.
It depends on size, thickness, and wind load. We provide engineering guidelines. Typically, a welded steel or aluminum frame that slots into the flutes or is bolted through the panel is used. We can also fabricate integrated mounting channels or flanges upon request.
Yes. We produce flame-retardant (FR) grades of corrugated plastic. Please specify this requirement when inquiring.
The reason for choosing us as a reliable manufacturing partner for your large-scale signage projects
For construction contractors, event organizers, and professional signage companies that require large corrugated plastic signs, the biggest challenge is not the design but finding manufacturers who can truly implement it and ensure its durability on-site. Ordinary small corrugated plastic sign suppliers don’t have the ability for large-scale projects. Our advantage is born to solve these magnified problems.
1. Reinforce for outdoor harsh environments to ensure your investment spans seasons and timelines
Your pain point: large corrugated plastic signs are usually installed outdoors, exposed to the hot sun, rainstormw, cold wind, and even dust on the construction site. Ordinary materials will quickly fade, become brittle, and powder on the surface, causing your logo to appear worn out in the middle of the project.
Our solution: we deeply understand that ‘large’ means longer exposure time and more rigorous scrutiny. Therefore, we inject the “longevity gene” into the core material. We use specialized UV -stabilized polypropylene compounds to resist sunlight degradation at the molecular level. At the same time, the inherent waterproof, moisture-proof, and corrosion-resistant properties of the board ensure that it is not corroded by rainwater.
2. Internal manufacturing and processing throughout the entire process
Your pain point: Large projects are most afraid of losing control of the supply chain. Any delay or quality fluctuation in any link from the sheet metal supplier to the cutting plant, and even to possible welding processing points, may cause project stagnation. The communication cost is extremely high, and when problems arise, it is easy to blame each other.
Our solution: We are a vertically integrated one-stop manufacturer. From plasticizing and extruding polypropylene raw materials to subsequent precision CNC cutting, ultrasonic welding, and reinforcement treatment, all are completed in our own factory. This gives us absolute control of the final product quality. For you, this means a single communication window, unified quality standards, and shorter delivery cycles. You are working with a responsible partner for the final products, greatly reducing project risks.
3. Heavy–duty specifications are optional, providing higher strength
Your pain point: the large corrugated plastic signs used for construction site fencing, traffic guidance, or industrial areas not only need to display information, but also often serve as temporary barriers to withstand occasional collisions or strong wind pressure. Thin and soft boards can easily sink, tear, and lose their protective function.
Our solution: We offer common thicknesses (3-5mm), and extra thicknesses up to 10mm, 12mm, or even 13mm. This thickened design greatly improves the impact resistance and bending stiffness of the sheets. For your engineering project, this means that large corrugated plastic signs are not only a clear warning, but also a physical protection.
4. Professional oversized logistics packaging solution to ensure “perfect arrival” at the construction site
Your pain point: transporting large, flat sheets is a logistics nightmare. Improper packaging can cause the board to bend, crease, and break corners when transporting, rendering it unusable on -site, expensive rework and project delays.
Our solution: With rich experience in exporting products to over 120 countries worldwide, we have a perfect solution for transporting irregular and large-sized goods safely. We will design customized reinforced wooden boxes or steel frame trays for your oversized identification components, with internal support structures and cushioning materials to ensure that the boards are firmly fixed and suspended during transportation, avoiding any pressure points. This ensures that your goods can arrive at any construction site or venue around the world in perfect condition at the time of leaving the factory, allowing your installation team to start work directly and effectively.
The conclusion
Choosing us as your large corrugated plastic signs supplier means you are not just choosing a seller, but a partner with heavy-duty material production capabilities, integrated processing capabilities, and experience in large-scale project management. We can customize the size, strength, durability, and logistics, using our practical manufacturing capabilities to ensure that your large-scale signage projects are efficient and reliable.



























