65-82), NLGA GR 2017 – Section 5 – Decking, Machine Graded & Glued Lumber, Timbers – Paras. 100-109 (pgs. A spiral-bound book of the full NLGA Standard Grading Rules For Canadian Lumber may be purchased from NLGA through our publication sales section of the website. Contact us today to learn more about our product solutions and how we can help you meet your diverse needs. The NLGA Grade Rule is approved and enforced by the Canadian Lumber Standards Accreditation … #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. 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. 36-42), SPS 1 – Fingerjoined Structural Lumber – current edition March 2017, SPS 2 – Machine Graded Lumber – current edition April 2019, SPS 3 – Fingerjoined “Vertical Stud Use Only” Lumber – current edition March 2017, SPS 4 – Fingerjoined Machine Graded Lumber – current edition January 2020, SPS 5 – Face-Glued Lumber – Vertical Use Only – current edition November 2015, SPS 6 – Structural Face-Glued Lumber – current edition November 2015. 700-754 (pgs. NLGA is approved by the Canadian Lumber Standards Accreditation Board (CLSAB) and American Lumber Standard Committee. 2017 Standard Grading Rules For Canadian Lumber. 249-260), NLGA GR 2017 – Section 16 – U.S. Lumber Design Values – Paras. All SPF J grade lumbers are, therefore, required to be manufactured to the standards of this national body. It is highly regarded not only in North America, but also in Europe and Japan. A very simplified, condensed overview of the steps for grading a piece of hardwood lumber is as follows: Determine the species. 1-6), NLGA GR 2017 – Section 1 – General Provisions – Paras. SPRUCE PINE FIR (SPF) LUMBER GRADING CLASSES: Spruce-Pine-Fir's strength, light weight, ease of handling and good working properties have made it a popular wood for framing applications in all types of construction. 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. The NLGA Grade Rule incorporates the National Grading Rule for Dimension Lumber (NGR). 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. Approved to supervise glued and machine graded lumber. 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. There are several types of checks and splits which are defined and handled in the grade rules for dimension lumber and timbers. UAnd: ☺ establish; ☺ maintain & publish Lumber design values for Canadian species for use in the USA which are recognized in the AF&PA NDS®. SPF lumber tends to be used for single and multi-family home construction, commercial construction, crating and packaging, and furniture framing. All rights reserved. The ALSC Machine Grading Policy provides for the grading of dimension lumber by a combina-tion of machine and visual methods. 39-54), NLGA GR 2017 – Section 3b – EW & Red Pine Boards – 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. Determine the surface measurement (SM). Third party grading agencies regularly inspect the products from all mills to make sure that they are on grade. 2 lumber is the most common grade for framing. SPF lumber is further divided into two categories: Eastern and Western species. 197-206), NLGA GR 2017 – Section 11 – Glossary – Paras. MSR lumber is distinguished from visually stress graded lumber in that each piece is non-destructively tested. ** Please note that, effective March 1, 2019, Supplements to the NLGA Standard Grading Rules have been posted on this website under Publications – Updates. ** Note: For Canadian SPF, the values for No. 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. 25-38), NLGA GR 2017 – Section 3a – Boards – Paras. 111-168), NLGA GR 2017 – Section 7 – Western Red Cedar Products – Paras. As a volume purchaser of lumber, we provide liquidity and market direction to both our suppliers and customers, and we do whatever we can to add greater value to our customer base. If you’re in the market for SPF lumber or other building materials for a construction or manufacturing project, AIFP has got you covered. All rights reserved. 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. The National Grading Rule establishes the lumber classifica-tions and grade names for visually stress-graded dimension lumber (Table 7–2). 112-115 (pgs. thick may be dried to 19% maximum moisture content. We'll give you the tools to excel. 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. The hardwood grading rules are quite complex and require study. We are pleased to provide free PDF sections of the NLGA Standard Grading Rules For Canadian Lumber (2017 edition) for your personal reference. 126-131 (pgs.-83-110), NLGA GR 2017 – Section 6 – Specialty Items – Paras. Canadian SPF lumber is graded according to the rules of the National Lumber Grades Authority. © Copyright 2015, Hyster Theme. Dry Kiln Operator Course; Grading Course; Planer Operator Course; Quality Control Course ; Treated Wood Quality Control Course; eLearning. SPF MSR (Machine Stress Rated) lumber is used for trusses and other structural engineering. 1-48 (pgs. SPF Lumber Grades. In the meantime, check out our wood blog, where we cover other lumber products we trade, including cedar wood and southern yellow pine. Most manufacturing projects use SPF #2, #3, economy, and stud grade lumber. SPF lumber typically refers to dimensional lumber or engineered wood derived from coniferous trees in North America. No. SPF MSR (Machine Stress Rated) lumber is … 243-248), NLGA GR 2017 – Section 14,15 – Profile Patterns & Metric Conversion (pgs. 3. 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). It is the recognized body for writing grading rules about lumbers in Canada. Lumber Grading Rules; Special Services; Certificate Services; Claim Inspection; Sawmill Surveys; Dry Kiln Surveys; Treated Wood. 207-224), NLGA GR 2017 – Section 12 – Characteristic Tables & Abbreviations – Paras. Visual requirements for this type of lumber are developed by the respective rules-writing agencies for particular species grades. 3. However, in most cases they are not. 187-196), NLGA GR 2017 – Section 10 – Re-Inspection Provisions – Paras. These files are protected by copyright. We are pleased to provide free PDF sections of the NLGA Standard Grading Rules For Canadian Lumber (2017 edition) for your personal reference. The grading of sawn wood into categories as it is processed helps to determine to a large extent the value and potential use possible for each board of sawn lumber.” Worldwide, hardwood lumber producers “grade” their lumber, assuring downstream consumers of the lumber of the lumber's quality for the intended use. While most SPF lumber comes from Canada, SPF lumber can also come from trees in the northern United States. 20-35), NLGA Interpretations & EU 2017 – Part 3 – EU Export Annex (pgs. 169-186), NLGA GR 2017 – Section 8,9 – Stress Grades & Measurements – Paras. 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. 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. 1 and No.2 are identical based upon the testing methodology used to derive 1991 design values.
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