Roadworking
What is thermoplastic road markings?
Thermoplastic road markings are made from a solid powder blend of resins, pigments, glass beads, and fillers. When heated to 180-200°C (356-392°F), the material melts into a liquid state and is applied to the road surface. As it cools, it hardens into a durable, reflective marking that adheres tightly to the pavement.
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How does it work?
Thermoplastic markings require heat and pressure for proper application. The material is either preformed into shapes or melted directly onto the road. A propane torch is used to heat and bond the thermoplastic to the pavement, ensuring a long-lasting and high-visibility result.
Frequently asked questions
Thermoplastic markings last 3-5 times longer than paint, offer better visibility, and have higher skid resistance due to embedded glass beads.
A propane torch provides consistent, high heat to melt the thermoplastic, ensuring strong adhesion to the road surface. It’s also used to preheat the pavement for better bonding.
Yes, but the pavement must be dry and preheated with a propane torch to remove moisture and improve adhesion.
Yes, when used correctly. Always follow safety guidelines, including:
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Wearing heat-resistant gloves and safety gear.
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Keeping the torch away from flammable materials.
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Ensuring proper ventilation in enclosed areas.
Yes! They can be removed by heating and scraping or covered with new markings. Damaged sections can be reheated and smoothed out with a propane torch.
They work best on asphalt but can be used on concrete with a primer for better adhesion.