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ANSI Engineered Wood Siding Standard A135.6-2012
This Standard, previously titled hardboard siding, covers requirements and methods of testing for the dimensions, straightness, squareness, physical properties, and surface characteristics of engineered wood siding. In 2010 the industry changed the product name from hardboard siding to Engineered Wood Siding to more accurately describe the product. Definitions of trade terms used and methods of identifying products that comply with the standard are included.
Key topics covered by the Engineered Wood Siding ANSI standard:
- product definitions
- dimensional, physical and mechanical properties
- inspection and test procedures
Note: this standard may be revised or withdrawn at any time.