The Ontario Building Code | Aggregate
9.28.2.2. Aggregate
(1) Aggregate shall be clean, well-graded natural sand or sand manufactured from crushed stone, gravel or air-cooled blast furnace slag and shall contain no significant amounts of deleterious material.
(2) Aggregate grading shall conform to Table 9.28.2.2.
Table 9.28.2.2.
Aggregate Grading for stucco
Forming Part of Sentence 9.28.2.2.(2)
| Item | Column 1 | Column 2 | Column 3 |
|
| Sieve Sizes, mm | % Aggregate Passing Sieve |
|
|
|
| Maximum | Minimum |
| 1. | 4 | — | 100 |
| 2. | 2 | — | 90 |
| 3. | 1 | 90 | 60 |
| 4. | 0.5 | 60 | 45 |
| 5. | 0.25 | 30 | 10 |
| 6. | 0.125 | 5 | — |