AC203 Zinc Borate (ZB) Preservative Treatment of Structural Composite Wood Products by Non-pressure Processes - Approved August 2017, editorially revised August 2022 (PDF Download)

Item #: AC203 8-2022
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 AC203 establishes guidelines for evaluation of zinc borate (ZB) preservative treatment of structural composite wood products by a non-pressure process. This criteria is limited to product use in locations that are above ground and protected from the weather, although the products are permitted to be used as sill plates over concrete footings and slabs.
More Information
Pages 4
Code Year 2022
Publisher ICC-ES
Language English
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