Compliance with APWA Standard

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Looking for high-quality, standards-compliant marking tape? Start shopping now...

  • We carry both non-detectable and detectable tapes.
  • Even the legend sizes on our markers are in compliance.
  • We have a large variety in stock and ready to ship.

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  • Manufactured for identification and early warning of underground utilities lines
  • Acid and alkali resistant polyethylene warning tape is constructed of a 4.5 mil solid aluminum foil core with an imprinted warning legend that is completely encased to prevent ink rub-off
  • Highly reflective foil surface is visible from both sides of tape to flash its warning to excavators
  • Tape is supplied in 1000' coils with widths going from of 2" to 6"
  • Tape contains the printed identification of the Utility Line buried below it and it comforms with APWA color code specifications for underground tape systems.


  • Non-Detectable warning tape for the protection, location and identification of underground utilities.
  • Consists of a nominal 4 mil overall thickness, inert 100% low-density acid and alkali resistant polyethylene plastic film, formulated for extended use underground.
  • Used to bury the tape above electrical lines, gas pipes, communication cables and other utility installations
  • Product is lead-free.

Underground Tapes Comform with:

  • D.O.T. Office of Pipeline Safety USAS B31.8
  • NTSB PSS 73-1
  • API RP 1109
  • GSA Public Buildings Service Guide
  • American Gas Association 72-D-56
  • OSHA 1926-956 (c) (1)
  • APWA Uniform Color Code
  • Federal Gas Safety Regulations S 192-321 (e)
Tape SizeRecommended Maximum Tape Burial Depth
2" x 1000'10" to 14" deep
3" x 1000'14" to 24" deep
6" x 1000'24" to 36" deep

Recommended depths are the maximum depths at which a metal detector will detect any detectable underground tape

ColorUtility Line
WHITEProposed Excavation
PINKTemporary Survey Markings
REDElectrical Power Lines, Cables, Conduit and Lighting Cables
YELLOWGas, Oil, Steam, Petroleum or Gaseous Materials
ORANGECommunication, Alarm or Signal Lines, Cables or Conduit
BLUEPotable Water
PURPLEReclaimed Water, Irrigation and Slurry Lines
GREENSewer and Drain Lines

Illustration of Underground tape installation