Masonry Magazine April 1988 Page. 27
TABLE 4
Coating Requirements
TABLE 5
Recommended Minimum Corrosion Protection
| ASTM Specification | Coating Process | Galvanized Piece | Minimum Coating (oz/sq ft) | Application | Corrosion Protection |
|---|---|---|---|---|---|
| A 116 | Mill Galvanized | 9 ga wire | Class 1-0.4 Class 2-0.6 Class 3-0.8 | Unit Wire Ties 1. Completely embedded in mortar or grout | ASTM A 641, Class 3, or ASTM B 227, Grade 30 HS |
| A 641 | Mill Galvanized | 3/16 in. diameter wire | Class 1-0.4 Class 2-0.6 Class 3-0.8 | 2. Exposed in air spaces or cavities | ASTM A 153, Class B-3, or ASTM B 227, Grade 30 HS |
| A 153 | Hot-dip Galvanized | Class B' B-1 B-2 8-3 | 2.0 1.5 1.3 | 3. Exposed to corrosive elements | ASTM A 167, Type 304 |
| | | | | Sheet Steel Ties 1. Completely embedded in mortar or grout | ASTM A 525, Class G 60 |
| | | | | 2. Exposed in air spaces or cavities | ASTM A 153, Class B-3 |
| | | | | 3. Exposed to corrosive elements | ASTM A 167, Type 304 |
| | | | | Joint Reinforcement 1. Completely embedded in mortar or grout | ASTM A 641, Class 3 |
| | | | | 2. Exposed in air spaces or cavities | ASTM A 153, Class B-2 |
| | | | | 3. Exposed to corrosive elements | ASTM A 167, Type 304 |
Class B-Rolled, pressed or forged articles.
B-1: 3/16 in. and over in thickness and over 15 in. in length.
B-2: Under 3/16 in. in thickness and over 15 in. in length.
B-3: Any thickness and 15 in. and under in length.