Wilson 1/2" x #4 Roofing Aggregate
Wilson 1/2" x #4 Roofing Aggregate is a clean, 100% crushed granite. It is produced daily to meet the Caltrans Section 37 ‘Coarse’ Aggregate Specification for use in chip seals. This product is also ideally suited for use in concrete, drainage blankets, and as roofing aggregate. Aggregate color is typically gray but at times shifts to brown.
ASTM Properties
| Specific Gravity | 2.80 |
| 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 | 94 | 90 - 100 |
| 3/8" | 9.5 mm | 62 | 40 - 70 |
| #4 | 4.75 mm | 5 | 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 Roofing Aggregate
