VENEER GRADES ACCORDING TO AUSTRALIAN AND NEW
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ZEALAND STANDARD AS/NZS 2269.0:2012
This standard provides minimum performance requirements and specifications for manufacturing structural plywood that are acceptable to users, specifiers, manufacturers and building authorities in Australia and New Zealand. The
standard is applicable to both hardwood and softwood resources.There are five veneer grades specified, A, S, B, C and D, with F a reject grade.
◆ A-grade veneer is a high-quality appearance grade veneer suitable for clear finishing. This grade should be specified for the face veneer in plywood where surface decorative appearance is a primary consideration (Figure 6.16).
◆ S-grade veneer is a similar specification to A-grade veneer, but some characteristics (not permissible for grade A) are allowed when specified as decorative features. These include knots, holes, discoloration, hobnails, and other characteristics as agreed between manufacturer and customer.
◆ B-grade veneer is an appearance grade veneer suitable for high-quality paint finishing. This face veneer quality should be specified for applications requiring a high-quality paint finish (Figure 6.17).
◆ C-grade veneer is defined as a non-appearance grade veneer with a solid surface. All open defects such as knot holes or splits are filled. Plywood with a C-grade face is intended for applications requiring a solid non-decorative surface. An example is plywood flooring that will be overlaid with a decorative surface (Figure 6.18).
◆ D-grade veneer is defined as a non-appearance grade veneer with permitted open imperfections and is the lowest veneer grade. It is intended for structural applications where decorative appearance is not a requirement, e.g. structural
plywood bracing (Figure 6.19).
◆ F-grade veneer is defined as reject grade, i.e. sheets not meeting the minimum requirements of the above grades (Figure 6.20)
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