Wilson 1/2" Drain Rock
Wilson ½" Drain Rock is a clean, crushed granite. This product is ideally suited for use on pathways and as drain rock in blocks and behind retaining walls. This size of crushed drain rock can also be used in landscape applications and as a topdressing on baserock driveways. Aggregate color is typically gray but at times shifts to brown.
ASTM Specifications & Physical Properties
| Specific Gravity | 2.78 | Unit Weight | 100.7 lb / pcf |
|---|---|---|---|
Sieve Analysis
| Inches | MM / UM | A.R. Wilson Grading* | ASTM C-33 #7 |
|---|---|---|---|
| 3/4" | 19 mm | 100 | 100 |
| 1/2" | 12.5 mm | 93 | 90 - 100 |
| 3/8" | 9.5 mm | 58 | 40 - 70 |
| 1/4" | 6.3 mm | 15 | |
| #4 | 4.75 mm | 4 | 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" Drain Rock
