1
Grinding
2
Acid-etched
3
Light Shotblast
4
Light Scarification
5
Medium Shotblast
Medium Scarification
6
Heavy Abrasive Blast
Scabbled/Surface Retarder
7
Heavy Scarification
Handheld Concrete Breaker/Abrasive Blast Cleaned; or High-Pressure Water Jetting
8
9
10
*Average of 15 readings, based on the data generated in this study
The guide provides owners, specifiers, contractors, and manufacturers with the information required to select and specify the methods for preparing concrete surfaces prior to the application of a protective system or repair material.