Code Acceptance
This wood meets requirements of model building codes for many applications, and code evaluation reports on this wood have been issued by National Evaluation Service (ESR-1721). The preservative treatment is listed in the standards of the American Wood Protection Association (AWPA) for above-ground and ground-contact applications (Use Categories UC1, UC2, UC3A, UC3B, UC4A, and UC4B). Internationally, it is approved by government and trade agencies throughout Europe and in Australia, New Zealand, and Japan.
Model Specifications
To download a model specification for Wolmanized® Residential Outdoor® wood as a modifiable MS Word (2002) document, click here.
Retention Standards
Different applications may require different amounts of preservative protection. Below are requirements for copper azole formulations.
| Typical Applications | Use Category* | CA-B (pcf) | CA-C | MCA-C |
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| Decking * | NER-669 | 0.08 | .06 | .05 |
| Above Ground | 1, 2, 3A, 3B | 0.10 | .06 | .05 |
| Ground / Fresh Water Contact | 4A | 0.21 | .15 | .14 |
| Sawn Poles & Posts | 4B | 0.31 | .25 | .23 |
| * Presently applies only to CA-B treated wood. | ||||
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For an AIA online CEU course on pressure-treated wood, click here. |
