American Hardwood Lumber Grades

Thus the sm is 4.

American hardwood lumber grades.

The simplified process of determining hardwood lumber grades. Respectfully between export grade names of prime and comsel with the nhla grades of fas and no. The common grades are likely to be most suitable for the cabinet industry most furniture parts and flooring. It is necessary to consult with your supplier as to the exact specifications being applied to these export grade names.

Hardwood lumber industry and forms the basis for export grading. Alsxc american lumber standard committee incorporated germantown md the alsc site contains general information on the alsc the accreditation programs it adm inisters and contact information for the agencies the alsc accredits. Worldwide hardwood lumber producers grade their lumber assuring downstream consumers of the lumber of the lumber s quality for the intended use. Hardwood lumber grades and grading rules have been established and are governed by the national hardwood lumber association nhla.

The highest grade boards are long wide and free of defects. The illustrated guide to american hardwood lumber grades. Today the nhla has over 2000 members worldwide and the nhla rules are still the national standard for the us hardwood industry and form the basis for grading of export lumber. Non manufactured wood packing nm program.

American hardwood lumber council. Multiply the sm by the thickness 2 and the bf is 8. Grading rules for american hardwood lumber. The illustrated guide to american hardwood lumber grades.

The nhla grading system which is used by buyers and sellers of hardwood lumber describes the amount of usable clear material in a board. Reference untreated wood program. Hardwood grading for lumber considers the size and number of pieces or cuttings which may be yielded during the creation of a hardwood product. They were established over 100 years ago by the newly formed national hardwood lumber association nhla.

Put simply lumber grading serves quality assurance needs. This guide provides a simplified explanation of the nhla grading system which is the national standard for the u s. Treated wood program. The illustrated guide to american hardwood lumber grades 03 example of sm and bf.

The grading system is based therefore on the measurable percentage of clear wood that is defect free for each of the grades. Color sorting in addition to sorting for grades or selecting specific widths various species are commercially sold at an added value.