Wilson 3/4" Class II Baserock
Wilson 3/4" Class II Baserock is a crushed, well-graded blend of aggregates. Class II base is designed to compact tightly with the proper equipment. When compacted it provides an excellent base to concrete, pavers, and asphalt, or can be used alone as a driveway or pathway. Graniterock Class II Baserock meets the specifications of Cal Trans Section 26-1. This material is typically gray in color.
ASTM Properties
| Sand Equivalent | Greater than or equal to 50 |
| "R" Value | Greater than or equal to 80 |
| Coarse Durability | Greater than or equal to 65 |
| Fine Durability | Greater than or equal to 50 |
Sieve Analysis
| Inches | MM/UM | Grading* | Caltrans Section 26 |
|---|---|---|---|
| 1" | 25 mm | 100 | 100 |
| 3/4" | 19 mm | 93 | 90 - 100 |
| #4 | 4.75 mm | 51 | 35 - 60 |
| #30 | 600 um | 17 | 10 - 30 |
| #200 | 75 um | 6.6 | 2 - 9 |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2380
Wilson 3/4" Class II Baserock
