The Graco 24R771 ThermoLazer ProMelt Thermoplastic Striping System with 4-4-4" SmartDie II is a high-production, self-contained striping solution engineered for contractors who need to apply consistent, evenly spaced triple-line thermoplastic markings without the need for a premelt kettle system.
Featuring Graco’s advanced ProMelt onboard melting technology, this unit melts up to 300 lbs of thermoplastic material in under an hour—eliminating additional equipment, reducing labor, and streamlining operations. The 4-4-4" SmartDie II configuration is designed to produce uniform triple-line patterns, making it ideal for lane separation, specialty roadway markings, and regulated traffic layouts.
With a powerful 100,000 BTU heating system, 4-chamber melting design, and precision SmartDie II system, the ProMelt ensures consistent material flow and professional-grade results. Combined with ergonomic controls and LineDriver compatibility, this system is built for contractors who require efficiency, accuracy, and repeatable striping performance.
- ProMelt Technology
- 4 Chamber Melting System—More surface area to melt thermoplastic fast
- 100,000 BTUs—Faster melt time means more jobs get done everyday
- SmartDie II System
- Fast change-out system—Hardened steel dies with mil thickness adjustment system built in
- Use with or without heat—Allows you to optimize your striping in all weather conditions
- "Floats" with the surface—Puts the thermoplastic where you want it for superior line quality
- External Heat System—4-torch die heat system keeps it hot
- Ergonomic Design
- Easier to use and almost effortless to push/pull, just like the proven LineLazer design
- Optional LineDriver System - LineDriver and LineDriver HD Systems adaptable for the ThermoLazer 300 tc System
- Get higher productivity and straighter lines with less fatigue
- Move between jobs without having to push
- Dual Pedal System—Multiple positions allow for simple forward and reverse
Machine Specifications
| Specification | Details |
| Brand | Graco |
| Model | ThermoLazer ProMelt |
| Part Number | 24H771 |
| Striping Type | Thermoplastic |
| Material Capacity | 300 lb (onboard melt) |
| Maximum Working Pressure | 250 PSI |
| Weight | 343 lbs |
Included Components
4-4-4" SmartDie II
ProMelt Onboard Melting System
4-Torch Heat System
Operational Details
UPC: 633955063242
Country of Origin: United States
Unit of Measure: Each
Recommended Applications
Triple-line roadway markings
Lane separation striping
Municipal and DOT projects
Specialty traffic layouts
High-precision thermoplastic striping
Download the Graco LineLazer Guide for Indoor and Outdoor Professional Line Striping (PDF)
This comprehensive Graco LineLazer Professional Airless Line Striping Systems Guide provides technical specifications and layout solutions for all environments, including high-traffic outdoor parking lots and airports, specialized indoor warehouse and factory flooring, and precision turf marking for athletic fields.
