Individual pieces of lumber exhibit a wide range in quality and appearance with respect to knots, slope of grain, shakes and other natural characteristics. All lumber gets cut to the specified dimensions, but almost all methods of drying and processing will shrink the boards to some degree. TOP. Softwood lumber is generally used for framing walls and floors. Item #4301. It's important to remember this when purchasing lumber, because mixing nominal and actual dimensions can throw off your measurements and ruin your project. A wide range of depths are available, far to many to list here, so please contact your local manufacturer for more information on their offerings - in general depths start at 6" and go up to 30" and beyond. Lumber measurements in width and thickness normally 0.25 inches (6 millimeters) – 0.75 in (19 mm) smaller than nominal sizes. Called its nominal size; this is not the actual size of lumber. The tables below provide both the nominal and actual sizes so many common North American lumber sizes. This website uses cookies. SIZES OF DRESSED WESTERN RED CEDAR LUMBER * Surfaced timbers 10" and larger available only on special order. In most cases, hardwood boards come in random widths to be ripped to size by the woodworker. The actual dimensions are 16 feet long, 1.6875 inch thick and 9.625 inches wide. Due to the … Downloads Where to Buy. Rough Sawn And Full-Dimensional Lumber Actual size is approximately 1.5″ thick and 5.5″ wide. a:link { Hardwood lumber is sized based on how many sides are surfaced. It is advisable to check with your contractor or lumber supplier before finalizing design details so you aren't surprised by what you receive. The move to set national standards for lumber in the United States began with publication of the American Lumber Standard in 1924, which set specifications for lumber dimensions, grade, and moisture content; it also developed inspection and accreditation programs. 1-5/16" × 5-1/2". x 6 in. Attempts to maintain lumber quality over time have been challenged by historical changes in the timber resources of the United States?? Softwood lumber comes in a number of standard lengths as listed in the table below. BBToolsetsBluebeam Tools and Templates for Architects - Customized by Architects for Architects. Voluntary Product Standard PS 20-05, American Softwood Lumber Standard. Archtoolbox is a Trademark of Aggregate Digital LLC. Actual Sizes 2″x6″ boards are milled from lumber 2″ thick and 6″ wide. Surfaced refers to a finishing process that smooths the lumber to remove all saw marks. Unbranded 6 in. Grades standardize the quality of lumber at different levels and are based on moisture content, size and manufacture at the time of grading, shipping and unloading by the buyer. (Common: 2-in x 4-in x 8-ft; Actual: 1.5-in x 3.5-in x 8-ft) Lumber. Real Cedar also offers a wide range of lumber dimensions, surface textures and grades. … }. document.write(' ') Dimensional Lumber Sizes: Nominal vs. Actual, Environmental Product Declarations (EPDs): A Guide for Architects, Fabrics and Textiles for Interiors and Furniture, National Institute of Standards American Softwood Lumber Standard (PS 20), R-values of Insulation and Other Building Materials. Timbers are wood beams that are usually larger than 4×6. Excellent Workability: Light Weight, Easy to Nail, Saw, … Design values for most species and grades of visually graded structural products are determined in accordance with ASTM standards, which consider the effect of strength reducing characteristics, load duration, safety and other influencing factors. Design Values for Wood Construction, which is a supplement to the ANSI/AF&PA National Design Specification?? 6 in. Rough Green Western Red Cedar Timber. ; ?22, ? 2 and Better Clear. Actual TABLE 4. NOTE: This page doesn't include all available stock. (adsbygoogle = window.adsbygoogle || []).push({}); © Copyright 2000 - 2020, by Engineers Edge, LLC www.engineersedge.com All rights reserved Standard widths are specified in the above publication, but can be customized as needed. C24 General construction Our lumber is rough cut and saw marks … 2″ thick and 6″ wide brand of Choice for pros and do-it-yourselfers nominal. 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