Reference untreated wood program.
American hardwood lumber grades.
The common grades are likely to be most suitable for the cabinet industry most furniture parts and flooring.
The grading system is based therefore on the measurable percentage of clear wood that is defect free for each of the 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.
The illustrated guide to american hardwood lumber grades 03 example of sm and bf.
They were established over 100 years ago by the newly formed national hardwood lumber association nhla.
The illustrated guide to american hardwood lumber grades.
The simplified process of determining hardwood lumber grades.
Explore the use of the common grades to achieve the most value considering lumber cost and yield.
Thus the sm is 4.
This guide provides a simplified explanation of the nhla grading system which is the national standard for the u s.
Respectfully between export grade names of prime and comsel with the nhla grades of fas and no.
Worldwide hardwood lumber producers grade their lumber assuring downstream consumers of the lumber of the lumber s quality for the intended use.
The highest grade boards are long wide and free of defects.
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.
Put simply lumber grading serves quality assurance needs.
Hardwood lumber grades and grading rules have been established and are governed by the national hardwood lumber association nhla.
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.
American hardwood lumber council.
Grading rules for american hardwood lumber.
Color sorting in addition to sorting for grades or selecting specific widths various species are commercially sold at an added value.
Multiply the sm by the thickness 2 and the bf is 8.
For complete details the grading rule book can be purchased from the national hardwood lumber association.
Treated 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.
Hardwood lumber industry and forms the basis for export grading.
