Preformed Thermoplastic Lines 12" x 3' – Bold, Reflective, Traffic-Grade Striping
- Covers 3 feet per segment
- Traffic-ready in under 30 minutes
- Applies with standard propane torch

Availability: In stock
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Preformed Thermoplastic Road Marking Lines – 12" x 3'
When safety and visibility are your top priorities, these 12" wide preformed thermoplastic lines deliver. They're designed for municipal, commercial, and high-volume settings where bold, bright markings are a must.
Overview & Use Cases
Common uses include:
- Crosswalks and stop bars
- School zones and ADA ramps
- Warehouse and airport markings
- Industrial and high-speed intersections
These pre-cut 12" x 3' strips are reflective, weather-resistant, and easy to install—no painting, no overspray, no stencils. Want to add arrows or lettering to your layout? Shop our parking lot stencils for matching symbols and designs.
Key Features & Benefits
- Maximum Visibility: 12-inch width is ideal for pedestrian safety zones
- Reflective Glass Beads: Enhance visibility in low light and night conditions
- Durable Construction: Withstands traffic, snowplows, and harsh weather
- Quick Application: No dry time—just heat and go
- Environmentally Friendly: Contains no harmful solvents
- Cost-Effective: Reduce labor time and return trips for re-striping
Need to lay out multiple lines quickly? Pair with line striping machines for efficient prep and layout.
Application Instructions
You’ll Need:
- Propane torch
- Asphalt blower or rotary broom
- Surface cleaning tools
- Concrete primer (if applying to concrete)
Step-by-Step:
- 1. Clean Surface Thoroughly: Remove dust, debris, and oil with a blower or broom.
- 2. Prime If Needed: For concrete, apply a primer and allow 5–10 minutes to dry.
- 3. Place Line: Position the 12" x 3' strip as needed.
- 4. Heat Evenly: Use a propane torch to melt and bond the line to the surface.
- 5. Cool Down: Allow to cool for about 30 minutes before opening to traffic.
Pro Tip: A hand roller can help ensure full contact during heating for a stronger bond.
Storage & Handling
- Shelf Life: Up to 12 months when stored properly
- Ideal Temperature: 50°F–90°F
- Avoid: Direct sunlight and moisture
- Storage Tip: Keep flat and indoors to maintain product shape and performance
Why Choose Preformed Thermoplastic Lines from Asphalt Kingdom?
12" wide preformed thermoplastic lines are the standard for high-visibility pavement markings. Whether you're installing stop bars, crosswalks, or ADA compliance zones, these lines offer better coverage, better reflectivity, and better durability than traditional traffic marking paint.
Contractors and municipalities rely on thermoplastic for long-term performance, reduced maintenance, and fast installations. For even more visibility, sprinkle Hi-Visibility Glass Beads on top while heating.
Asphalt Kingdom gives you everything you need—from surface prep to stencils and striping tools—so your job gets done right the first time.
ANSWER FOR YOUR CONCERNS
Questions | Answers |
---|---|
What surfaces can this be used on? | Use directly on asphalt. For concrete, a primer is necessary to ensure proper adhesion. |
How long before traffic can pass over the markings? | Lines are traffic-ready in about 30 minutes after heating and cooling. |
What tools are required? | You’ll need a propane torch, blower or broom, cleaner, and concrete primer (if needed). |
Can I install this by myself? | Yes! A single contractor or DIYer can install with basic equipment. |
How should I store extra thermoplastic lines? | Store them flat, in a cool, dry location—away from sunlight and 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 | ~3.0 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 | 12 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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