See Table 2 or SPIB Grading Rules for design values: Grade: Grade Characteristics and Typical Uses: 750f - 1.4E thru 3000f - 2.4E: Machine Stress Rated (MSR) lumber is evaluated by mechanical stress rating equipment. © Copyright 2015, Hyster Theme. No. Eastern species SPF lumber comes from Black spruce, Red spruce, White spruce, Jack pine, and Balsam fir trees and tends to grow slower and produce wood with outstanding strength properties. 243-248), NLGA GR 2017 – Section 14,15 – Profile Patterns & Metric Conversion (pgs. Approved to provide heat treatment audit services under all rules. 300-360 (pgs. Canadian SPF lumber is graded according to the rules of the National Lumber Grades Authority. We are pleased to provide free PDF sections of the NLGA Standard Grading Rules For Canadian Lumber (2017 edition) for your personal reference. 3. 55-64), NLGA GR 2017 – Section 4 – Dimension Lumber (NGR) – Paras. Approved to supervise glued and machine graded lumber. Most manufacturing projects use SPF #2, #3, economy, and stud grade lumber. Grading system: SPF Lumber is graded in the same way in all parts of Canada, according to the rules written by the National Lumber Grades Authority (NLGA). Western Lumber Grading Rules; published by the Western Wood Products Association (WWPA), ... NGR portion of WWPA rules for Douglas fir, larch, and SPF(S) 2. While the supply out of Canada has reduced drastically due to wildfires, beetle kill, log costs, and tariffs implied on the Canadian producers, our traders speak with our mill partners day-in and day-out to best match demand with production. 1-4), NLGA Interpretations & EU 2017 – Part 1 – NGR Interpretations (pgs. 116-118 (pgs. PDF files of sections of the Standard Grading Rules for Canadian Lumber are listed below: We are pleased to provide free PDFs of the NLGA Special Product Standards for your personal reference. SPF Lumber Facts, Grades, Uses & Industry Insights. Visual requirements for this type of lumber are developed by the respective rules-writing agencies for particular species grades. For the in-situ evaluation of dimension lumber and timbers normal checks and splits can often be interpreted as problematic by some design professionals with respect to allowable design values. All SPF J grade lumbers are, therefore, required to be manufactured to the standards of this national body. In the past few years, SPF lumber buying tendencies have changed as well. 120-125 (pgs. All grades 2" or less in thickness sold as DRY (seasoned) shall be dried to 15% maximum moisture content, stock over 2". Up for the challenge? Canadian SPF lumber is graded according to the rules of the National Lumber Grades Authority. NLGA GR 2017 – Cover, Title Page, Preface & Section Index (pgs. #2 SPF is the most common grade for framing and dimensional lumber, and it’s used in home and commercial construction, along with #3 SPF and stud grade lumber. 5-19), NLGA Interpretations & EU 2017 – Part 2 – NLGA Interpretations (pgs. 197-206), NLGA GR 2017 – Section 11 – Glossary – Paras. SM is the width, in inches and fractions, times the standard length in feet with no … You may view, print and download these PDF files for your own use but may not copy, reprint, publish, distribute or sell them in any format, including electronic, without the written permission of National Lumber Grades Authority. 111-168), NLGA GR 2017 – Section 7 – Western Red Cedar Products – Paras. 249-260), NLGA GR 2017 – Section 16 – U.S. Lumber Design Values – Paras. 187-196), NLGA GR 2017 – Section 10 – Re-Inspection Provisions – Paras. All rights reserved. 65-82), NLGA GR 2017 – Section 5 – Decking, Machine Graded & Glued Lumber, Timbers – Paras. Western Lumber Grading Rules; published by the Western Wood Products Association (WWPA), ... NGR portion of WWPA rules for Douglas fir, larch, and SPF(S) 2. For over 50 years, American International Forest Products has been trading building materials like lumber, steel, and other industrial products for construction and manufacturing projects across the country. 100-109 (pgs. These files are protected by copyright. It is highly regarded not only in North America, but also in Europe and Japan. 1-48 (pgs. The separated sections of the NLGA Standard Grading Rules are listed for convenience only and are not meant to be stand-alone, but rather must be considered in the context of the Grading Rules in their entirety. 20-35), NLGA Interpretations & EU 2017 – Part 3 – EU Export Annex (pgs. cability of lumber reference design values, grading rules published by individual agencies and referenced ASTM Standards should be consulted. In the meantime, check out our wood blog, where we cover other lumber products we trade, including cedar wood and southern yellow pine. The hardwood grading rules are quite complex and require study. Some species must be processed according to special rules. 1 and No.2 are identical based upon the testing methodology used to derive 1991 design values. SPF MSR (Machine Stress Rated) lumber is used for trusses and other structural engineering. Approved to provide heat treatment audit services under all rules. 1-6), NLGA GR 2017 – Section 1 – General Provisions – Paras. SPF wood tends to have a high strength-to-weight ratio with relatively small, sound tight knots. SPF lumber is further divided into two categories: Eastern and Western species. SPF lumber tends to be used for single and multi-family home construction, commercial construction, crating and packaging, and furniture framing. Contact us today to learn more about our product solutions and how we can help you meet your diverse needs. 2 lumber is the most common grade for framing. The NLGA Grade Rule is approved and enforced by the Canadian Lumber Standards Accreditation … Accreditation; The SPIB Laboratory; The SPIB Quality Mark; Western Wood Services; Pellet Program; Training. Dry Kiln Operator Course; Grading Course; Planer Operator Course; Quality Control Course ; Treated Wood Quality Control Course; eLearning. Rather than buying months of inventory at a time, buyers seem to be managing their inventory much thinner and leaning on ‘just in time’ style deliveries. All rights reserved. Lumber of this grade contains few defects, but knots are allowed of any quality as long as they are well spaced and do not exceed the size regulations. 900-910 (pgs. 207-224), NLGA GR 2017 – Section 12 – Characteristic Tables & Abbreviations – Paras. 126-131 (pgs.-83-110), NLGA GR 2017 – Section 6 – Specialty Items – Paras. The National Grading Rule establishes the lumber classifica-tions and grade names for visually stress-graded dimension lumber (Table 6–2) and also provides for the grading of dimension lumber by a combination of machine and visual methods. thick may be dried to 19% maximum moisture content. However, in most cases they are not. A very simplified, condensed overview of the steps for grading a piece of hardwood lumber is as follows: Determine the species. 112-115 (pgs. AIFP is continually growing. Because of its strength-to-weight ratio and its competitive pricing, SPF lumber is often used in wood framing for furniture, houses, apartments, trusses, and commercial buildings. Note: Canadian design values are assigned to NLGA stress grades by the Canadian wood design code committee (CSA O86) 7 NLGA Organizational Chart BOARD OF … 25-38), NLGA GR 2017 – Section 3a – Boards – Paras. SPF MSR (Machine Stress Rated) lumber is … The NGR establishes standard lumber grades and grade names for all commercial species of dimension lumber, thus assuring lumber users of uniform design criteria and performance throughout Canada and the U.S. In today’s blog, our Canadian Department discusses everything you need to know about Eastern and Western spruce-pine-fir (SPF) lumber. Dimension Lumber Base Values 2" to 4" Thick by 2" and Wider (Pounds per Square Inch) SPFs SPF SPFs and SPF Species Group Grade Extreme Fiber Stress in Bending Tension Parallel to Grain Horizontal Shear Modulus of Elasticity Compression. © 2017 - 2020, AIFP. ** Please note that, effective March 1, 2019, Supplements to the NLGA Standard Grading Rules have been posted on this website under Publications – Updates. SPF wood also features dimensional stability and superior gluing properties. 7-24), NLGA GR 2017 – Section 2 – Upper Grades – Paras. The NLGA Grade Rule incorporates the National Grading Rule for Dimension Lumber (NGR). **  Please note that, effective March 1, 2019, Supplements to the NLGA Standard Grading Rules have been posted on this website under Publications – Updates. 169-186), NLGA GR 2017 – Section 8,9 – Stress Grades & Measurements – Paras. 132-195 (pgs. ** Note: For Canadian SPF, the values for No. #2 SPF is the most common grade for framing and dimensional lumber, and it’s used in home and commercial construction, along with #3 SPF and stud grade lumber. SPF Lumber Grades. Western species SPF lumber comes from White spruce, Engelmann spruce, Lodgepole pine, and Alpine fir trees and tends to be available in larger sizes because of the general climate and the size of the logs. Sound tight knots to provide heat treatment audit services under all rules Europe and Japan Canadian... Splits which are defined and handled in the northern United States, pine, and fir market is always,... 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