Wilson 1/2" x #4 Concrete Rock
Wilson 1/2" x #4 Concrete Rock is a clean, 100% crushed granite. It is produced daily to meet ASTM C-33 Size #7 as well as Caltrans Section 37 ‘Coarse’ Aggregate Specifications. This product is ideally suited for use in concrete, chip seals, drainage blankets, and as roofing aggregate. Aggregate color is typically gray but at times shifts to brown.
ASTM Properties
| Specific Gravity | 2.78 |
| Unit Weight | 100.7 lb / pcf |
Sieve Analysis
| Inches | MM/UM | Grading* | Caltrans Section 37 |
|---|---|---|---|
| 3/4" | 19 mm | 100 | 100 |
| 1/2" | 12.5 mm | 93 | 90 - 100 |
| 3/8" | 9.5 mm | 62 | 40 - 70 |
| #4 | 4.75 mm | 7 | 0 - 15 |
| #8 | 2.36 mm | 2 | 0 - 5 |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2380
Wilson 1/2" x #4 Concrete Rock
