What is FAS level
The classification of solid wood is a crucial process in the forest industry, which guarantees the classification of wood as the function of its quality and its ability to use...
The classification of solid wood is a crucial process in the forest industry, which guarantees the classification of wood as the function of its quality and its ability to use various use. The NHLA National Association maintains the rules that offer a single method for classification of hardwood and offer consistent and measurable woodworkers to assess wood quality for their projects.
Introduction to Solid wood Lumber Grading
The classification of solid wood includes an evaluation of the size and number of transparent objects without defects that can be obtained from a plate when using in furniture or other commercial wood projects. In contrast to self -production, notes of certain measures and specific criteria of defects depend.
Standard Grades of Hardwood Lumber
The NHLA standard grades of hardwood lumber include:
|
Grade |
Trade Name |
Min. Board Width |
Min. Board Length |
Min. Cutting Size |
Min. Area of Clear Cuttings Required |
|
Firsts and Seconds |
FAS |
6" |
8' |
4" x 5' or 3" x 7' |
83-1/3% |
|
FAS One Face |
F1F |
6" |
8' |
4" x 5' or 3" x 7' |
83-1/3% |
|
Select |
SEL |
4" |
6' |
4" x 5' or 3" x 7' |
83-1/3% |
|
No. 1 Common |
1C |
3" |
4' |
4" x 2' or 3" x 3' |
66-2/3% |
|
No. 2A Common |
2C |
3" |
4' |
3" x 2' |
50% |
|
No. 2B Common |
3AC |
3" |
4' |
3" x 2' |
33-1/3% |
|
No. 3A Common |
3BC |
3" |
4' |
1-1/2" x 2' |
25% |
Grades in Practice
In practice, some grades are rarely used independently, and others are combined. For example:
- Lumber graded as "Select & Better" includes FAS, F1F, and Select boards.
- 2A Common and No. 2B Common may be combined as "No. 2 Common".
Practical Applications of Grades
- Firsts and Seconds (FAS): The highest grade suitable for fine furniture, cabinetry, and applications requiring clear, wide boards.
- FAS One Face (F1F): Similar to FAS but graded from the better face, ideal when only one good face is required.
- Select (SEL): Offers a cost-effective substitute for FAS when only one good face is needed or smaller cuttings are acceptable.
- 1 Common: Provides good value for typical woodworking projects, especially if relatively small pieces can be used.
- 2A & 2B Common: Suitable for paneling and flooring applications.
- 3A & 3B Common: Economical choices for rough utility applications such as crates, palettes, and fencing.
Deep Understanding solid wood is required for woodwork to select the most suitable materials for your projects in the study of quality and costs. After wood workers have joined the uniform grammar rules such as NHLA, woodworkers can make appropriate decisions and increase the costs of their wood purchases.
In order to obtain more detailed information on the classification of solid wood, you can find the National Association of Hard Wood's notes.
With this guide, wood workers can make enlightened decisions when choosing wood and guarantee optimal results in their wood efforts.
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