UFC 3-270-01
15 March 2001
Chapter 4 Sprayed Asphalt Surface Treatments
4.1. Prime Coat. . . . . . . . . . . . . . . . . . . . 19
4.2. Procedural Steps (Prime Coat) . . . . 19
4.3. Problem Areas (Prime Coat) . . . . . . 19
4.4. Tack Coat . . . . . . . . . . . . . . . . . . . . 20
4.5. Procedural Steps (Tack Coat) . . . . . 20
4.6. Problem Areas (Tack Coat) . . . . . . . 20
4.7. Fog Seals and Rejuvenators . . . . . . 21
4.8. Procedural Steps (Fog Seals
and Rejuvenators) . . . . . . . . . . . . . 21
4.9. Problem Areas (Fog Seals
and Rejuvenators) . . . . . . . . . . . . . 22
Chapter 5 Sprayed Asphalt with Surface Aggregate
5.1. Introduction . . . . . . . . . . . . . . . . . . . 25 Table 5.1. Aggregate Gradations for
5.2. Single Bituminous Surface
SBST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Treatment . . . . . . . . . . . . . . . . . . . 25 Table 5.2. SBST Binder and Aggregate
5.3. Procedural Steps (SBST) . . . . . . . . 25
Application Rates . . . . . . . . . . . . . . . . . . . . 26
5.4. Problem Areas (SBST) . . . . . . . . . . 27 Table 5.3. Aggregate Gradations for
5.5. Multiple Bituminous Surface
DBST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Treatment . . . . . . . . . . . . . . . . . . . 28 Table 5.4. DBST Binder and Aggregate
5.6. Procedural Steps (DBST) . . . . . . . . 29
Application Rates . . . . . . . . . . . . . . . . . . . . 29
5.7. Problem Areas (DBST) . . . . . . . . . . 30 Table 5.5. Aggregate Gradations for
5.8. Sandseal . . . . . . . . . . . . . . . . . . . . . 30
Sandseal . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.9. Sand Application and Rolling. . . . . . 31 Table 5.6. Sandseal Binder and Aggregate
Application Rates . . . . . . . . . . . . . . . . . . . . 31
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