Corrugated Plastic Yard Signs

Corrugated plastic yard signs, also known as coroplast or coro, are the most common, most often used types of custom yard signs. The term corrugated means that the signs have flutes, or channels, with which wire stakes are inserted for stability, and placed in a yard.


They are durable, affordable, and weather-resistant. These are among the main factors that customers choose this type of plastic sign as a go-to. They come in various shapes and sizes, with the most popular form being 18”H x 24”. A standard coroplast sign runs 4 millimeters thick (about 1/6th of an inch), but thicker, more rugged versions are available for varying needs. What makes these lightweight plastic signs so popular? They’re not only versatile, but also quite economical.

Custom Printed Yard Signs

This type of plastic is the ideal substrate for short term outdoor graphics. Corrugated plastic yard signs can be printed digitally or via silk screen. More to come on the differences between those in a bit.

Aluminum Yard Signs

Like corrugated plastic signs, custom aluminum yard signs, or lawn signs, if you will, are extremely weather-resistant. They are rust-proof as well, so precipitation in any form has no effect on this type of signage. Additionally, aluminum lawn signs are lightweight, yet strong, and among the most durable of all yard signs out there. Aluminum custom yard signs have a perfectly smooth, baked-on, high-gloss factory painted finish, and they project a first-class, top-shelf image. They are guaranteed not to peel, flake, rust, corrode, or fade for a full 10 years. While a little more expensive, that decade-long lifespan might well be worth the few extra dollars.

Generally, one would see realtors utilizing this type of yard sign when selling a property. Typically, aluminum signs are printed digitally. Aluminum is heavier than corrugated plastic, and it requires being held up by posts, which are sturdier than wire stakes.

Alumacore Yard Signs

Think of Alumacore yard signs as aluminum signs on steroids. Alumacore signs consist of two pre-painted aluminum sheets bonded to a corrugated polypropylene core. This creates a strong panel that is actually much lighter than solid aluminum. Alumacore lawn signs are a popular choice for producing rigid, short-to-medium-term printed panels and signage for both indoor and outdoor use.


Alumacore can be printed on both sides for use in applications where an ultra-rigid, durable two-sided sign is desired. Common uses for placement of Alumacore yard signs are for point of purchase displays, exhibits, and architectural installations. Like aluminum signs, Alumacore signs are generally printed on digital printing presses. While Alumacore is partially comprised of corrugated plastic, it’s a bit too heavy for you to implement wire stakes when placing in a yard.

Digital vs Silk Screen Printed Yard Signs

Screen printing has been around eons before digital printing came into the fold in the early 1990s. Printing digitally has become quite popular, and there are a myriad of benefits to using this printing method.

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Screen printing produces rich, brilliant, vibrant colors to signs; not only with designs, but with text and logos, as well. The preparation for materials to actually hit the printer takes much longer with silk screen printing. But, once signs are on the press, the process is light years faster than with digital printing. It’s a highly efficient method within the industry for larger orders.

With digital printing, artwork is processed by computer, then printed directly onto a sign. Digital printing is best used for items that require high amounts of detail. The fact that the digital printer does not use screens allows for a print to have a photo-realistic image. Digital printing is the route to take for short-run, low-quantity orders. If you’re looking to buy just one, or a few signs, the digital process will be the avenue to take. The big reason is the impact on your wallet. Both printing techniques have their respective, unique benefits. What it comes down is what your needs are, what your budget is, and the quantity of signs you’re looking to purchase.