Wilson 1 1/2" Drain Rock
Wilson 1½" Drain Rock is a clean, crushed granite. This size drain rock is sometimes called for behind retaining walls and is often used in french drains and leachfields. This size of crushed drain rock can also be used as decorative rock in landscape applications. Aggregate color is typically gray but at times shifts to brown.
ASTM Specifications & Physical Properties
| Specific Gravity | 2.82 | Unit Weight | 100.7 lb / pcf |
|---|---|---|---|
| Inches | MM / UM | A.R. Wilson Grading* | ASTM C-33 #4 |
|---|---|---|---|
| 2" | 50 mm | 100 | 100 |
| 1 1/2" | 37.5 mm | 99 | 90 - 100 |
| 1" | 25 mm | 40 | 20 - 55 |
| 3/4" | 19 mm | 5 | 0 - 15 |
| 1/2" | 12.5 mm | 1 | |
| 3/8" | 9.5 mm | 1 | 0 - 5 |
| #4 | 4.75 mm | 1 |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2380
Wilson 1 1/2" Drain Rock
