Alexei Volkov
Corrugated plastic signs are a versatile, durable, and inexpensive option for outdoor advertising. They are made from thin, polypropylene plastic sheeting and are lightweight yet sturdy enough to withstand the elements. With the right tools and techniques, you can easily paint and customize your own corrugated plastic for sale sign. In this guide, we will cover the steps to paint a corrugated plastic sign, from preparing the surface to applying the final touches, ensuring your sign looks professional and eye-catching.
| Characteristics | Values |
|---|---|
| Material | Corrugated plastic, also known as Cor-plastic or Coroplast |
| Composition | A wavy, grooved layer sandwiched between two flat sheets, all made of high-impact polypropylene resin |
| Properties | Lightweight, durable, recyclable, weather-resistant, waterproof, tear-resistant, UV-protected |
| Use | Indoor or outdoor, versatile, suitable for various applications including real estate, political campaigns, events, business advertising, safety signs, etc. |
| Lifespan | Up to 6 months outdoors, multi-year lifespan indoors, approximately 3 years depending on climate and weather conditions |
| Printing | Direct-to-substrate printing, UV-resistant inks, modern printing process prevents colours from scratching off or fading |
| Customization | Customizable design, size, and shape; single or double-sided |
| Mounting | Can be mounted on vertical stakes, displayed in A-frames, or hung with grommets or hangers |
| Cost | Starting at $27.99, less than a dollar per piece for blanks |
| Painting | Use fusion paint, apply one can to cover both sides, allow to dry completely before the second coat |
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What You'll Learn
- Preparing the surface: Lay the sheet on a flat, hard surface
- Cutting the plastic: Use a craft knife or a saw to cut the corrugated plastic
- Painting: Use fusion paint, made for plastic. Allow the first coat to dry before adding another
- Lettering: Attach adhesive lettering or use duct tape
- Mounting: Corrugated plastic can be mounted on vertical stakes
Preparing the surface: Lay the sheet on a flat, hard surface
To prepare the surface of your corrugated plastic for painting, start by laying the sheet on a flat, hard surface. A cutting board or hardware table are good options for this. This will ensure a steady base while you work.
If you plan to cut the sheet to a specific size or shape, now is the time to do it. You can use a utility knife, electric band saw, or scroll saw to cut the corrugated plastic. If using a utility knife, steady the cut with a ruler or T-square. For a saw, use clamps to hold the plastic in place as you cut.
Before painting, decide what you want your sign to say and where the paint will go. Corrugated plastic has embedded lines that create a grid across its surface, which can be used to align adhesive letters. If you plan to hang your sign, you should also create holes for metal grommets before painting.
Once you have your surface prepared, you can begin painting. Fusion paint is recommended for corrugated plastic as it is made specifically for use on plastic.
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Cutting the plastic: Use a craft knife or a saw to cut the corrugated plastic
Corrugated plastic is a versatile material that can be used for various projects, from crafting a "for sale" sign to building roofing sheets. Cutting corrugated plastic can be challenging without the proper tools, but with the right equipment and techniques, you can achieve a neat, smooth, and professional finish. Here are some detailed instructions for cutting corrugated plastic:
Preparing the Plastic for Cutting:
Before you begin cutting, it's essential to prepare the plastic sheet. Examine the sides of the corrugated plastic board. You will notice little squares along the edges with spaces in between. These squares indicate the direction of the corrugation or flutes. When cutting, always align your cut with these squares to achieve a smooth and neat finish. Additionally, it's recommended to create an outline or basic design of your cut. This is especially important if you're using a manual tool instead of a flatbed cutter. You can use a sharpened pencil, a bullet-tipped marker, or any tool that creates a fine outline to follow.
Choosing the Right Cutting Tools:
Slice® offers a range of cutting tools specifically designed for corrugated plastic. These tools feature finger-friendly® blades and multiple handle configurations, ensuring a safe and comfortable grip. Their utility knives, such as the Slice 10554 Auto-Retractable Utility Knife or the 10550 Manual Utility Knife, are excellent choices for cutting corrugated plastic. These knives use the same blade, available in both rounded and pointed-tip versions, with the pointed-tip version being slightly better suited for this material. If your plastic sheet is less than four millimeters thick, opt for the Slice 10513 Manual Pen Cutter or the 10512 Auto-Retractable Pen Cutter. These pen cutters also use the same blades but provide a more compact cutting option.
Using a Craft Knife:
When using a craft knife or a utility knife, it's important to follow specific techniques for a successful cut. If you're using a utility knife, avoid cutting the board in a single go. Instead, cut it halfway first, then keep tracing the outline until the board cuts through completely. This method ensures precise, smooth, and safe cuts. Applying too much pressure can bend the board or even hurt your hand, so maintain a steady and patient approach throughout the cutting process.
Using a Saw:
If you prefer using a saw, an angle grinder or a circular saw is recommended for cutting corrugated plastic roofing sheets. These power tools can efficiently cut through the plastic, providing a clean and straight cut. However, if you don't have access to these specific types of saws, you can also use a hand saw or a jigsaw. Keep in mind that a jigsaw blade needs to be long enough to prevent it from popping out of the cut. Alternatively, you can try folding the plastic until it breaks in a straight line, and then use a cutter to separate the pieces properly.
Safety Precautions:
When cutting corrugated plastic, always prioritize safety. Wear appropriate protective gear, such as gloves and safety goggles, to safeguard against accidental lacerations and flying debris. Additionally, ensure that your work area is clear of any obstacles or hazards, and always follow the manufacturer's instructions for the specific cutting tool you are using.
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Painting: Use fusion paint, made for plastic. Allow the first coat to dry before adding another
Painting corrugated plastic is a simple process. First, you need to ensure your work area is well-ventilated and protected from paint. It is recommended to work outdoors, or in a well-ventilated area, with an absorbent material like cardboard or a drop cloth underneath. You should also wear a painting mask.
Next, you need to prepare the surface of the corrugated plastic. It is important to clean the plastic with isopropyl alcohol and let it dry. This will ensure the paint adheres properly.
Now you are ready to paint. The best paint to use is fusion paint, as it is made specifically for plastic. You will need one can of paint for each side of the sign. Apply the paint using a smooth, even sweeping motion, overlapping your spray pattern by about one-third with each pass. Paint the sign while it is lying down horizontally to prevent the paint from running.
Once you have achieved your desired coverage, you need to let the first coat dry completely before adding another. Krylon Fusion All-In-One is dry to the touch in 20 minutes and can be handled in about one hour. If you try to paint over the first coat before it is dry, it will blister and peel.
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Lettering: Attach adhesive lettering or use duct tape
Corrugated plastic is a versatile, durable, and inexpensive material that is perfect for "For Sale" signs. It is lightweight, weather-resistant, and easy to work with. When creating your sign, you can paint it and add lettering to convey your message effectively. Here are some detailed instructions on how to attach adhesive lettering or use duct tape for your "For Sale" sign:
Attaching Adhesive Lettering:
Corrugated plastic has a grid of embedded lines on its surface, which makes it easy to align adhesive lettering. Before attaching the letters, decide on your message and ensure you have all the necessary letters. Then, follow these steps:
- Locate the Center Letter: Find the center letter of your phrase or word. This will be your starting point. For example, if your message is "For Sale," the center letter is "a."
- Apply the Center Letter: Place the adhesive letter for "a" in the center of your sign, using the embedded lines as a guide to ensure it is straight and aligned correctly.
- Work Outward: Starting from the center letter, work outward on either side. Apply the letters "l," "e," and "s" to the right of "a," again using the grid lines to keep them straight. Then, add "F" and "r" to the left of "a."
- Adjust and Space: Ensure that the letters are evenly spaced and aligned. You can use the grid lines as a reference to create a straight and visually appealing layout.
Using Duct Tape:
Duct tape is a sturdy and flexible alternative to paint for adding colour and emphasis to your sign. It adheres well to corrugated plastic and can be used for edging or creating shapes and patterns. Here's how to use it:
- Plan Your Design: Decide where you want to place the duct tape. You can use it for outlining the edges of your sign or creating borders around specific sections.
- Apply the Tape: Start by placing the tape along the horizontal or vertical edges of the sign, extending it all the way to the corners. Then, apply tape to the adjacent edges, making sure it overlaps the previously laid tape for a smooth finish.
- Avoid Overlapping: Do not overlap the tape on the same edge, as it may create bumps and an uneven surface. Instead, apply tape to adjacent edges to create a clean, professional look.
- Create Patterns or Shapes: You can use duct tape to create simple shapes or patterns on your sign. For example, you could outline a rectangle or triangle to highlight a particular section of your sign.
Remember, when using adhesive lettering or duct tape, ensure that your corrugated plastic sign is clean and dry for better adhesion.
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Mounting: Corrugated plastic can be mounted on vertical stakes
Corrugated plastic is a low-cost, recyclable plastic that is lightweight yet durable enough to withstand outdoor elements. It is a popular material for indoor or outdoor signage. The flutes, or open channels inside the corrugation, make it easy to mount on vertical stakes. This is known as a ""yard sign" and is often used for roadside advertisements.
To mount corrugated plastic on vertical stakes, the flutes must be aligned with the tops of the two vertical stakes. This will allow the stakes to penetrate the flutes. Gently push the corrugated plastic and the stakes together so that the stakes go in evenly. The finished product will be in ""landscape" mode, with the flutes always parallel to the short side.
For soft, unpaved surfaces, simply push the vertical stakes into the ground. Place your feet on the edges of the lower bar and apply gentle pressure to avoid bending it. Switch from left to right to step the stakes into the ground evenly. If you are dealing with tough ground or high winds, use a thicker, heavier gauge stake.
For hard surfaces, cor-plastic signs can be displayed in small portable A-frames. These are lightweight, portable plastic items with channels into which your signs can be easily inserted.
Corrugated plastic is a versatile material that can be used for various purposes, including real estate, political campaigns, events, business advertising, and safety signs. It is inexpensive and durable, making it a popular choice for many applications.
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Frequently asked questions
Fusion paint is the best option as it is made specifically for plastic.
Depending on the size of the sign, one whole can of fusion paint should be enough to cover both sides.
Paint the sign while it is laying down horizontally to prevent the paint from running. Allow the first coat to dry completely before applying the next coat, and try to keep the paint job within one hour to prevent damaging underlying layers.
Corrugated plastic signs are very durable but their lifespan depends on the climate and weather conditions. They have an outdoor lifespan of up to 6 months and a multi-year indoor lifespan.
Corrugated plastic signs are lightweight, durable, versatile, inexpensive, recyclable, and weather-resistant. They are also easy to set up and can be hung or displayed on a line.
