Utility Marker Samples
Marker Test Results


In addition to testing provided by independent labs; das has continuously run tests since 1983, subjecting the das Curb Marker and das Curb Marker Adhesives to a variety of extreme conditions. We also have performance information, gathered over the years from our customers’ field experience.

Duracast Style Installation 1990

Results after 13 years

NW Natural Gas 9 Year Exposure
Duracast Style Installation 1990
2 ½” on rolled curb
Results after 13 years NW Natural 9 Year Exposure
Duracast Reflective 4”  (Customer submitted )
Sewer Power Markers Standard Style 18 Year Exposure Water Valve Label Duracast Style 2 Year Exposure Metal vs Duracast Markers
Standard Style 18 Year Exposure
Non-Reflective Sewer and Reflective
Power on rolled curb
Duracast Style 2 Year Exposure
Non-Reflective Custom 2 ½” on rolled curb
Metal vs Duracast 
3 Year Exposure Concrete Pad
Duracast Road Style 5 Year Exposure Duracast Style Pollution 5 Year Exposure Duracast Style Gas Pipeline 5 Year Exposure
 Duracast Style 5 Year Exposure
Asphalt road in tire path 4” and 2 ½”

 Duracast Style 5 Year Exposure
Close-up view
Duracast Style 5 Year Exposure
Asphalt road in tire path. Bottom section
cleaned with soap and water
Manhole Stencil Standard and Duracast Style Colored Curb Marker Standard Style 5 Year Exposure Gas Sewer GTE Verizon 22 Year Exposure Labels
Standard and Duracast Style
12 Year Exposure Rolled curb 2 ½” samples
Standard Style 5 Year Exposure
Sidewalk in suburban neighborhood
Standard Style 22 Year Exposure - Central, FL
Test samples installed on brick paver. Marred with screwdriver to test for loss of adhesion
Gas Line Road Test Aging Marker Sample Road Test Aging Duracast Style Road Test Aging
After 2 years 1992 After 3 years 1993 After 13 years 2003
Duracast Style Road Test Aging
5” Reflective and 2 ½” asphalt road in tire path
  Removal of Road Test Markers after 13 years  
  Removal of Road Test Samples after 13 years
Markers pulled away top layer of
asphalt when removed
 

 

Standard and Duracast Weatherometer Testing

Bradley University/Department of Physics (2/1/91)

Pavement Marker/Label Bradley University/Department of Physics
Sample sections of test markers

Tested: Standard Style das Curb Marker.  Stock Titles all colors reflective & non-reflective.

Testing Mechanism:
QUV Weatherometer

Cycle:
4 hours UVA at peak emission at 55°C followed by 4 hours of condensation at 45°C.

Duration
: 2,353 Hours.

Results Summary:
“The test duration on the das Curb Marker is equivalent to 30 years of outside exposure at latitudes comparable to Peoria, Illinois.”

“...All surface markings were still legible after prolonged exposure.”

“There was some discoloring of the background on each with minimal noticeable on the yellow to a maximum on the blue although this later discoloration still allowed the sign to be read with no accompanying mechanical surface damage.

 

Winona State University/Composite Materials Technology Center (3/2/98)

Non Cracking Road Marker Winona State University/Composite Materials Technology Center
Sample sections of test markers

Tested: Duracast Style das Curb Marker.  Stock Titles all colors reflective & non-reflective.

Testing Mechanism:
QUV Weatherometer

Cycle:
4 hours UVA at peak emission at 60°C followed by 4 hours of condensation at 50°C.

Duration:
2,000 Hours.

Results Summary:
“None of the exposed Duracast samples showed any signs of fading when compared to the unexposed samples and the Duracast finish did not yellow or cloud.”
“None of the exposed samples showed any signs of cracking.”

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Stick It & Mark It Permanently!
Since 1983 the das Curb Marker has been used successfully by customers nationally and internationally.
das Curb Markers can be easily installed on most flat surfaces such as concrete, asphalt and metal.