Graco ThermoLazer ProMelt Thermoplastic Handliner with 4-inch (10 cm) SmartDie II

SKU: 24H623
The Graco ThermoLazer ProMelt is a walk-behind thermoplastic line striper that streamlines pavement marking by eliminating the need for separate premelt kettles.

Shop at

Product Literature
📊📘344507EN-C – ThermoLazer Product Brochure

For group orders or questions, contact us at sales@raeproducts.net or 708-396-1984.

Additional Information

Graco ThermoLazer ProMelt Thermoplastic Handliner with 4-inch (10 cm) SmartDie II – 24H623

Its innovative QuadMelt System features a four-chamber melting design powered by a 100,000 BTU burner, enabling on-board melting of up to 300 lbs of thermoplastic material in under an hour.

Product Manuals
🔧📕3A1319EN-L – ThermoLazer and ThermoLazer ProMelt Pavement Marking Systems, Operation

Product Media

Includes
✔ ThermoLazer ProMelt System
✔ SmartDie II Box – 4 Inch (10 cm)
✔ ProMelt No Heat Sprayer
✔ Graco Warranty

Materials
✔ Compatible with all Alkyd types
✔ Compatible with all Hydrocarbon types
✔ Compatible with all Glass Bead types

Specifications
✔ Capacity: 300 lbs (136 kg)
✔ Die Sizes: 3 in (8 cm), 4 in (10 cm), 5 in (12 cm), 6 in (15 cm), 7 in (18 cm), 8 in (20 cm), 9 in (22.5 cm), 10 in (26 cm), 12 in (30 cm), 4x4x4 in (10x10x10 cm), 4x3x4 in (10x8x10 cm), 3x3x3 in (8x8x8 cm)
✔ Fuel Type: LP Gas (LP tank not included)
✔ Main Burner Output: 100,000 BTU
✔ Melting Duration: 1 hour
✔ Die Heater: Infrared Technology
✔ Glass Bead Capacity: 90 lbs (40 kg)

Features
✔ QuadMelt System – Four-chamber design melts 300 lbs within an hour
✔ ControlFlow System – Accurate flow control via lever operation
✔ Glass Bead Hopper – Stores more than 90 lbs (40 kg) of beads
✔ SmartDie II System – Functions with or without heat for all-weather application; adapts to surface levels
✔ EasyGlide System – First thermoplastic striper with dual rear wheels and Fat Track Front Swivel for smooth handling similar to LineLazer
✔ SmoothRide Tires – Heavy-duty pneumatic tires ensure great maneuverability and low rolling resistance
✔ Optional Double-Bead Drop System Kit – Quick installation for enhanced reflectivity

Frequently Asked Questions
Q: What surfaces can road lining equipment be used on?
A: Road lining machines are compatible with asphalt, concrete, and other paved surfaces. Proper surface preparation ensures optimal paint adhesion and line quality.
Q: What types of paints can be used with this equipment?
A: Most road marking machines are designed for waterborne, solvent-based, or epoxy traffic paints. Always confirm material compatibility with the manufacturer specifications.
Q: Is special training required to operate road striping machines?
A: While many walk-behind models are user-friendly, operators should receive basic training on machine setup, line calibration, safety, and maintenance for best results.
Q: Can I use glass beads with this equipment?
A: Yes. Many machines come with bead dispensers or compatible attachments for applying drop-on beads to enhance reflectivity and night visibility.
Q: How do I clean and maintain the equipment?
A: Flush the system with the appropriate cleaner after each use. Inspect filters, tips, and hoses regularly to prevent clogs and ensure consistent line quality.

Additional information

Road Equipment BrandGraco
Road Equipment TypeGlass Beads, Line Stripers, LineDriver Compatible, Thermoplastic Paint
Compatible MaterialThermoplastics, Glass Beads, Alkyds
Compatible SurfacesPavement
Includes4 in SmartDie II
Maximum Working Pressure (psi)250
ModelThermoLazer
Number of ColorsOne Color
Number of Hoppers1
SeriesProMelt
TypeWalk-Behind Line Striper
Weight (lb)345