FIRMmarker® Road Marker Adhesive

Strong Adhesion for Traffic Markers, RPMs, and Safety Posts

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Close up image of yellow roadmarking on centre of the road heading off into the distance

FIRMmarker® Road Marker Adhesive is a clean, efficient, and easy-to-use adhesive system. Engineered to permanently affix traffic markers, delineators, safety posts, and other roadway safety devices to concrete and asphalt surfaces.

Built to Keep Markers in Place. Proven on the Road.

FIRMmarker® road marker adhesive delivers the durable bond strength needed to withstand vibration, impact, and changing weather conditions. Whether used as a raised pavement marker adhesive, RPM adhesive epoxy, or traffic marker glue, it helps keep roadway safety devices securely in place.

FIRMmarker® meets AASHTO M237 requirements and WSDOT specifications.

Why FIRMmarker® Road Marker Adhesive

Excellent Bond Strength
Creates a permanent bond that withstands vibration, impact, and temperature changes.

Convenient Packaging
Available in cartridges, quarts, gallons, and 10-gallon kits.

Easy Application
Dual cartridge system mixes and dispenses at the time of use, reducing prep time.

Reduced Waste
Resealable cartridges allow unused product to be stored for future use.

Proven Performance
Passes AASHTO M237 Type II, meets the physical requirements of Type IV, and complies with WSDOT Spec 9-26.2.

Who It’s For

FIRMmarker® Road Marker Adhesive is built for professionals responsible for keeping roadway safety devices securely in place.

  • Road maintenance crews replacing and repairing traffic markers
  • Transportation agencies maintaining highways, roads, and intersections
  • Road construction contractors installing new safety infrastructure
  • Traffic control professionals working on concrete and asphalt surfaces

When failure isn’t an option, FIRMmarker® delivers a bond built to last.

Common Applications

  • Traffic Markers
  • Channelizer posts
  • Barrier and guardrail reflectors
  • Permanent raised pavement markers
  • Concrete-to-concrete bonding
  • Wood-to-concrete bonding
  • Concrete-to-asphalt bonding

How It Works in the Field

FIRMmarker® provides a simple and efficient application process.

  • Mix Part A and Part B at a 1:1 ratio until a consistent gray color is achieved, or use the dual-cartridge system for automatic mixing and dispensing
  • Apply adhesive to the installation surface
  • Position the traffic marker, delineator, or safety device
  • Allow the adhesive to cure and develop a permanent bond

Product Details

  • Two-component epoxy adhesive system
  • One quart kit installs approximately five channelizer posts
  • Color: Gray
  • Packaging:
    • 20 oz dual cartridges
    • 2-quart kit
    • 2-gallon kit
    • 10-gallon kit

Keep Roadway Safety Devices Secure

FIRMmarker® provides the strength and reliability needed to keep markers, delineators, and safety posts where they belong.

Put FIRMmarker® to Work

FAQS

FIRMmarker® combines strong bond strength with a clean, efficient application process. The convenient dual cartridge system reduces prep time, minimizes waste, and allows unused product to be stored for future use.

FIRMmarker® is commonly used to install traffic markers, raised pavement markers (RPMs), delineators, channelizer posts, safety posts, barrier reflectors, and other roadway safety devices.

Yes. FIRMmarker® has excellent bond strength to both concrete and asphalt.

Yes. FIRMmarker® passes AASHTO M237 Type II requirements, meets the physical requirements of Type IV, and complies with WSDOT Spec 9-26.2.