The Graco 24R770 ThermoLazer ProMelt Thermoplastic Striping System with 4-3-4" SmartDie II is a specialized, high-production striping solution designed for contractors who need to create patterned, segmented, or multi-line thermoplastic markings without a premelt kettle system.
Built with Graco’s advanced ProMelt onboard melting technology, this unit melts up to 300 lbs of thermoplastic material in under an hour—eliminating the need for additional equipment while reducing labor and setup time. The unique 4-3-4" SmartDie II configuration allows for precise application of complex line layouts, including lane delineation, specialty roadway markings, and custom striping patterns.
With a powerful 100,000 BTU heating system, 4-chamber melting design, and precision SmartDie II system, this unit delivers consistent material flow and professional-grade results. Combined with ergonomic controls and LineDriver compatibility, the 24R770 is ideal for contractors tackling advanced striping jobs with efficiency and precision.
- 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 | 24H770 |
| Striping Type | Thermoplastic |
| Material Capacity | 300 lb (onboard melt) |
| Maximum Working Pressure | 250 PSI |
| Weight | 343 lbs |
Included Components
4-3-4" SmartDie II
ProMelt Onboard Melting System
4-Torch Heat System
Operational Details
UPC: 633955063051
Country of Origin: United States
Unit of Measure: Each
Recommended Applications
Lane delineation markings
Specialty roadway striping
Custom multi-line layouts
Municipal and DOT projects
Complex thermoplastic striping patterns
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.
