AC321 Treated-engineered-wood Siding—Published January 2026 (PDF Download)
Item #: AC321 01-2026
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AC321 establishes guidelines for evaluation of treated-engineered-wood panel and lap siding products intended for use as exterior wall-covering materials.
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AC321 establishes guidelines for evaluation of treated-engineered-wood panel and lap siding products intended for use as exterior wall-covering materials.
| Pages | 13 |
|---|---|
| Publisher | ICC-ES |
| Language | English |