Canadian lumber grading manual pdf

Lumber Grading Rules Also available:Interpretations for the National Grading Rules for Dimension LumberInterpretaciones de la regala Norteamericana de clasificación de madera para construcción de coníferasNLGA Canadian Lumber Grading Manual Lumber Properties Design Standards Manufacturing Standards Tech Notes. According to the American Lumber Standard Committee program, all Canadian lumber used by an American wood packaging facility must be marked HT or KD-HT under the supervision of a Canadian Grading Agency accredited by the Canadian Lumber Standards Accreditation Board and the American Lumber Standards Committee. Heat treatment certificates Canadian Lumber Standards Accreditation Board (CLSAB) Canadian Lumber Standards Accreditation Board – 28 Deakin Street Ottawa, Ontario K2E 8B7 Canada Phone: () No grading system (either manual or machine-based) shall be designed, calibrated or.

No.1 or No.2 are the most common grades specified for structural purposes. No.1 may contain varying amounts of Select Structural, depending on the manufacturer. Unlike Canadian dimension lumber, there is a difference between design values for No.l and No.2 grades for timbers. Coast Standard Grading Rules, the Pacific Lumber Inspection Bureau’s (PLIB)Export R List Rules, the rules of the Redwood Inspec-tion Service, the National Lumber Grades Authority’s Standard Grading Rules for Canadian Lumber, Eastern White Pine Common Board Grades of the Northeastern Lumber Manufacturers Association’s Standard Grading. Standard Grading Rules For Canadian Lumber. We are pleased to provide free PDF sections of the NLGA Standard Grading Rules For Canadian Lumber ( edition) for your personal reference. ** Please note that, effective March 1, , Supplements to the NLGA Standard Grading Rules have been posted on this website under Publications – Updates.

In most circumstances the grade stamped dimension lumber found in Wisconsin's retail lumber yards will be softwood lumber (usually shipped from Canada, or from. following a revision to Canadian and U.S. building codes requiring graded, stamped lumber to be used in all wooden buildings. A lumber grade is a. agencies: National Lumber Grades Authority (a Canadian agency), Northeastern Lumber Manufacturers Properties for Visually Graded Dimension Lumber from.