Specifications:
- Stone widths available from 6" to 24" on 2" increments.
- Standard lengths from 4' to 9' on 1' increments. Lengths over 9' are available for an extra charge.
- Thickness 2" to ± 1/8" is standard.
- Color is light to dark shades of grey.
- Weight is 25 pounds per square foot.
Special Note: Buff stone is not recommended for exterior tread use as normally it has only half the crushing strength and twice the water absorption of hard grey stone.
| Property | Value | Test |
|---|---|---|
| Ultimate Compressive | ASTM | |
| Strength | 4,000 Minimum | C170 |
| Absorption | 7.5% Maximum | C97 |
| Abrasion Resistance | 6 Minimum 17 Maximum | C241 |
| Bulk Specific Gravity | 2.10 Minimum 2.75 Maximum |
Tests performed on Elliott Stone Company Eureka Quarry Stone*
| Property | Value | Test |
|---|---|---|
| Ultimate Compressive Strength | Grey 10,030 Buff 6,110 | C170 |
| Absorption | Grey 1.83% Buff 3.37% | C97 |
| Abrasion Resistance | Grey 13.63 Buff 7.97 | C241 |
| Bulk Specific Gravity | Grey 2.53 Buff 2.40 | |
| * These tests were taken from random samples from the Eureka Grey and Buff Quarries of Elliott Stone Company, Inc. Tests done on other samples from the same quarry may produce different results. These test results should only be used as a reference. | ||
Garden Terrace Blocks • Elliott Pattern Flagstone
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