Wilson 3/4" Drain Rock
Wilson 3/4" Drain Rock is a clean, crushed granite. This product is ideally suited for use as drain rock pipe bedding in underground projects. This size drain rock is sometimes called for behind retaining walls and can be specified in french drains and leach fields. This size of crushed drain rock can also be used in landscape applications and as a top dressing on baserock driveways. Aggregate color is typically gray but at times shifts to brown.
Sieve Analysis
| Inches | MM/UM | Grading* |
|---|---|---|
| 1" | 25 mm | 100 |
| 3/4" | 19 mm | 80 |
| 1/2" | 12.5 mm | 20 |
| 3/8" | 9.5 mm | 11 |
| #4 | 4.75 mm | 4 |
ASTM Properties
| Specific Gravity | 2.80 |
| Unit Weight | 99.8 lb / pcf |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2380
Wilson 3/4" Drain Rock
