Test Methods and Specifications
Modified Surface Texture Depth (Pestle Method)
- Publication no: ATM-250-25
- Published: 6 March 2025
- Edition: 8.0
- PDF (free) Download
This test method describes the procedure for the determination of the surface texture depth of road surfaces, by the sand patch technique. This method is only applicable to surface texture depths greater than 0.3 mm and is the preferred method for determining surface texture allowances in the design of sprayed seals.
This test method can also be downloaded as a Word document.
Edition 8.0 published March 2025
- In Edition 7.0, an incorrect version of Section 5 Calculation was included. This has been corrected in Edition 8.0. Edition 7.0 is not included in the archive.
Edition 7.0 published February 2025
Edition 6.0 published November 2023
Edition 5.0 published May 2008
Edition 4.0 published January 2007
Edition 3.0 published October 2006
Edition 2.0 published June 2006
Edition 1.0 published June 2005
- 1. Scope
- 2. References
- 3. Apparatus
- 4. Procedure
- 5. Calculations
- 6. Test Report
- Appendix A: Texture Conversion Charts
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