Specification U1-21 Use category system - user specification for treated wood
Publication Year
2021
Document Status
Withdrawn
Abstract
Information on specific nonpressure treated composite wood products, without the use of trade names or manufacturer’s names.
Document History
Superseded by the 2022 edition.
Publisher Information
American Wood Protection Association
Founded in 1904, the American Wood Protection Association (AWPA) is a non-profit organization responsible for promulgating voluntary wood preservation standards.
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