2x8x16 Ballast Block
- Weight: 17 lbs/ea
- Compressive Strength, Min P.S.I (Average Gross Area)
- Average of 3 Units: 2,500
- Individual Units: 2,500
- Water Absorption Max (lb/cubic ft)
- Average of 3 Units: 10%
- No dimension shall vary more than 3% over or under the specified dimension for any form of unit.
- ASTM C-139-05 except that the units shall conform to the details shown hereon and that their thickness shall not be less than 5".