Preformed Thermoplastic Lines 18" x 3' – High-Contrast, Reflective Safety Markings
- Covers 3 feet per segment
- Traffic-ready in under 30 minutes
- Installs with standard propane torch

Availability: In stock
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Preformed Thermoplastic Road Marking Lines – 18" x 3'
These 18" wide thermoplastic road marking strips are your go-to solution for ultra-bold safety markings. Made from durable, reflective thermoplastic and embedded with glass beads, these lines stand up to traffic, weather, and time.
Overview & Use Cases
Commonly used for:
- High-visibility crosswalks and stop bars
- ADA-compliant transitions and school zones
- Airports, terminals, and high-volume pedestrian areas
- Warehouse safety lanes and industrial crossways
Their extra-wide design ensures superior visibility even from a distance. Looking to add arrows, symbols, or lettering? Explore our full line of parking lot stencils to customize your layout.
Key Features & Benefits
- Maximum Width for Maximum Visibility: 18" width meets high-visibility standards
- Glass Bead Reflectivity: Improves visibility in low-light and nighttime settings
- Long-Lasting Performance: Built to resist traffic, snowplows, and extreme weather
- No Mess, No Overspray: Clean, pre-cut strips install with heat only
- Environmentally Safe: Zero solvents and VOC-compliant
- Saves Time & Labor: One-person install in minutes means higher profit per job
Upgrade large-area layouts with line striping machines for speed and precision.
Application Instructions
What You’ll Need:
- Propane torch
- Asphalt blower or rotary broom
- Surface cleaning tools
- Primer (required for concrete)
How to Apply:
- 1. Clean the Surface: Remove dirt, oil, or debris with a blower or broom.
- 2. Prime (If Needed): Use primer on concrete and let it dry for 5–10 minutes.
- 3. Position the Line: Align the preformed strip in your desired location.
- 4. Apply Heat: Use propane torch evenly until melted and bonded.
- 5. Cool Time: Allow 30 minutes before re-opening to traffic.
Pro Tip: Press down with a hand roller while heating for a smoother finish and stronger bond.
Storage & Handling
- Shelf Life: Up to 12 months
- Ideal Storage Temp: 50°F–90°F
- Avoid: Moisture, direct sunlight, and heat exposure
- Handling Tip: Store flat in original packaging to prevent warping
Why Choose Preformed Thermoplastic Lines from Asphalt Kingdom?
At 18 inches wide, these are the most noticeable and high-impact thermoplastic lines available—perfect for ensuring compliance in high-visibility safety applications. They outperform traffic marking paint in both longevity and brightness, especially in heavy-duty environments.
Want to enhance reflectivity even more? Sprinkle Hi-Visibility Glass Beads during installation for maximum night-time performance.
With Asphalt Kingdom, you get contractor-trusted solutions, expert support, and the tools to get the job done right the first time.
ANSWER FOR YOUR CONCERNS
Questions | Answers |
---|---|
Is this suitable for concrete surfaces? | Yes—but you must use a primer to ensure proper bonding. |
How long before the surface is traffic-ready? | Typically 30 minutes after application and cooling. |
What tools do I need? | A propane torch, blower or broom, cleaning tools, and primer if applying to concrete. |
Can I install this by myself? | Yes! It’s a one-person job using basic equipment and proper preparation. |
How do I store unused product? | Keep flat, dry, and stored between 50°F–90°F away from sunlight or moisture. |
Have questions? We’re here to help!

Speak to an Asphalt Expert!
Show Discount box | No |
Item Returns | This item can be returned |
Weight | ~4.0 lbs per 3' segment |
Coverage | 3 linear feet per unit |
Curing Time | <30 minutes |
Melting Temp | ~392°F (200°C) |
Application Method | Propane torch |
Shelf Life | Up to 12 months |
Width | 18 inches |
Height | 0.1 inches (approx.) |
Length | 36 inches (3 feet) |
Surface Compatibility | Asphalt, Concrete (with primer) |
Other Key Specs | Reflective, Pre-Cut, White or Yellow |
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