Protective Coatings (SSC & CCS)

NTPEP tests products according to a Project Work Plan, which describes the laboratory and/or field test protocols used to conduct the evaluation. The Project Work Plan is a consensus-based document, and includes peer review and input from industry experts. Each Project Work Plan is adopted after receiving at least two-thirds affirmative support from 52 AASHTO member states. The Project Work Plan is the basis for host states to conduct their testing and evaluation. When implemented by state DOTs, their own state standard specifications may supersede the NTPEP Project Work Plan. Industry is advised that state-level requirements may supersede basic NTPEP testing.

NTPEP Designated Lab:

  • SSC: KTA-Tator, Inc.
  • CCS: KTA-Tator, Inc.

NTPEP - Protective Coatings


Committee Name:
NTPEP-Technical Committee on Protective Coatings
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User Guides

Work Plan
NTPEP tests products according to a Project Work Plan, which describes the laboratory and/or field test protocols used to conduct the evaluation. The Project Work Plan is a consensus-based document and includes peer review and input from industry experts. Each Project Work Plan is adopted after receiving at least two-thirds affirmative support from 52 AASHTO member states. The Project Work Plan is the basis for host states to conduct their testing and evaluation. When implemented by state DOTs, their own state standard specifications may supersede the NTPEP Project Work Plan. Industry is advised that state-level requirements may supersede basic NTPEP testing.

Work Plan for Evaluation of Concrete Coatings & Sealers

Work Plan for Evaluation of Structural Steel Coatings ​

Please go to NTPEP DataMine.

Please go to NTPEP DataMine.