| WESTERN LUMBER PRODUCT USE MANUAL (A) - $15.00
Comprehensive technical manual on Western lumber products, featuring basic categories of lumber, grades, sizes and species groups, Base Values and adjustment factors for dimension lumber, along with design values for structural decking, MSR lumber, structural-glued products and posts & timbers. 24 pages. (Rev. 8/08) | |
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 | WESTERN LUMBER SIZE-ADJUSTED VALUES (571) - $10.00
Base Values for Western lumber are multiplied byappropriate size-adjustment factors and presented in size-specific design value tables, one table for each of the six species groups for dimension lumber. (Engineers and designers should use Base Values as presented in the Western Lumber Product Use Manual.) 8 pages. (5/03) |  |
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 | WESTERN LUMBER SPAN TABLES (572) - $15.00
Span tables with common loading conditions for floor and ceiling joists and rafters. Calculated in Base Values with size and repetitive member adjustments built in.
48 pages. (7/04) | |
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 | STANDARD PATTERNS (G-16) - $12.00
Profiles of WWPA patterns, at 70% scale, in detail with actual dimensions. 28 pages. (1/05)
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| | SPECIFYING LUMBER (A-2) - $8.00
Outlines the most economical and efficient method of specifying Western lumber. 4 pages. (4/01)
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| | PANELING BASICS (A-3) - $2.00
Pattern selection and installation summary. 2 pages.
(7/94)
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| | FLAME-SPREAD RATINGS (A-4) - $2.00
Flame-spread classifications and smoke-developed indices for Western Woods in conformance with model building codes. 2 pages. (Rev. 8/08) |
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| | BOARD FOOTAGE TABLE (A-10) - $2.00
Converts lineal feet to board feet for common sizes
and lengths of Western lumber. Includes formulas for board, surface and lineal measurements. 2 pages. (4/89) |
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| | NOTCHING AND BORING GUIDE (A-11) - $2.00
Description and diagrams of code-approved notches and holes in load-bearing members to accommodate modifications for wiring, plumbing. 2 pages. (8/96) |
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| | NOTCHING AND BORING GUIDE - Spanish (A-11S) - $2.00
Spanish-language version of Notching and Boring Guide. Description and diagrams of code-approved notches and holes in load-bearing members to accommodate modifications for wiring, plumbing. 2 pages. (New 4/03)
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| | UNSEASONED (GREEN) LUMBER (A-12) - $2.00
Seasoning requirements, shrinkage considerations, advantages for framing, handling requirements and how to avoid problems. 4 pages. (9/99)
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| | MOLD, HOUSING AND WOOD (TG-2) - $10.00
Explains why and how mold grows on nearly any material including wood, steps that can be taken to prevent, control and remove mold, and current scientific information about the health effects of mold. 12 pages. (5/02)
Click Here for free HTML version of this publication.
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| | MACHINE STRESS-RATED LUMBER (TG-4) - $10.00
Explains what MSR lumber is, how to specify it, quality control procedures and code acceptance information.
4 pages. (11/96) |
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| | LUMBER STORAGE (TG-5) - $8.00
Recommended protection and outside storage procedures for lumber dealers and contractors. 4 pages. (10/06)
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| | LUMBER STORAGE - Spanish (TG-5S) - $10.00
Spanish-language version of Lumber Storage. Recommended protection and outside storage procedures for lumber dealers and contractors. 4 pages. (New 4/03)
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 | WWPA GRADE STAMPS (TG-6)
Facsimiles and descriptions of authorized WWPA gradestamps for identifying lumber produced under Association rules. 2 pages. (1/97) |  Free
 $2.00 |
 | WWPA GRADE STAMPS - Spanish (TG-6S)
Spanish-language version of WWPA Grade Stamps. Facsimiles and descriptions of authorized WWPA gradestamps for identifying lumber produced under Association rules.
2 pages. (4/03) | Free
$2.00 |
 | WESTERN LUMBER FRAMING BASICS (TG-7) - $8.00
Illustrated guide covers common framing practices in floor, wall and roof construction. Details include framing openings, supporting joists, notching and boring members, load paths and roof load transfer. 6 pages (New 4/04) |
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| | NATURAL WOOD SIDING (TG-8) - $10.00
Comprehensive technical guide for siding, featuring: grading, bona fide grade names vs. marketing names, patterns, surface textures, acclimatization, nailing, finishes and comparative grades chart. 12 pages. (Rev. 7/07)
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| | STRUCTURAL-GLUED LUMBER (TG-9) - $8.00
Explains classifications, design values, quality control procedures, code acceptance and specification of end-jointed, edge- and face-glued lumber. 4 pages. (6/01)
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| WESTERN WOOD SPECIES BOOK,
VOL. 1, DIMENSION LUMBER (10) - $20.00
Full-color photographs show grade characteristics of Douglas Fir-Larch, Hem-Fir and Spruce-Pine-Fir (South) to assist buyers and users in properly identifying and specifying dimension grades. 16 pages (Rev. 1/09). Purchase the new Vol. 1, CD at the WWPA Literature Store.
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| | CHOICES (OGBP-1)
Details why wood is the most environmentally beneficial building product, forest sustainability and current life cycle assessment information on lumber. 4 pages (4/08)
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Free
$1.50 |
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WWPA provides supplementary technical information on Western lumber with a series of white papers called Tech Notes. This information is intended to supplement the Association's technical reference publications and to provide more current data and lumber use suggestions. California Fire Standards and Exterior Wood Products - Rev. 10
(147KB) A review of new regulations for building materials used in new structures in California's Wildland Urban Interface (WUI) areas, including a list of species and siding, decking and soffit products that meet the California Building Code Chapter 7A.
NDS 2005 Specific Gravity Values for MSR Lumber
(68KB) The majority of machine stress-rated (MSR) lumber produced is used in metal-plate connected (MPC) wood trusses, where lumber痴 specific gravity is a primary design parameter in sizing truss-plates.
Design Values and Spans for Alaskan Species Lumber
(372KB) Design values for Alaska Yellow Cedar, Alaska Hemlock and Alaska Spruce dimension lumber products.
Designing with Western Lumber in the 2001 NDS
(184KB) Reviews changes in shear design values for lumber, specific gravity for MSR lumber, replacing end grain bearing values with compression parallel values and timber design values as shown in the 2001 National Design Specification (NDS©) for Wood.
Design Load Tables For Wood Studwalls Subjected to Wind Pressure
(776KB) A useful set of design load tables for Douglas Fir-Larch and Hem-Fir lumber according to the 1991 edition of ANSI/AF&PA National Design Specification (NDS©) for Wood Construction.
Wood or Horn-Tailed Wasps
(250 K) Information on identifying Wood or Horn-tailed Wasps, their wood-boring habits and the damage they cause to lumber.
Design Values for ES-LP MSR Grades of 1650 Fb & Higher
(16 K) Engelmann Spruce-Lodgepole Pine Machine Stress-Rated (MSR) lumber is not often fully utilized for engineered wood systems. This Tech Note offers a procedure for taking advantage of ES-LP MSR lumber痴 high gravity, compression perpendicular-to-grain and horizontal shear design values.
Information on the In-Grade Testing Program, Impacts on Design Values
(15 K) An overview of the In-Grade Testing program, which yielded new data on the structural performance of softwood lumber and why lumber performs in certain ways.
Design Load Tables for Solid-Sawn Lumber Beams and Headers
(849 K) This Tech Note makes building with lumber beams and headers more user-friendly by providing load tables for single 4x and 6x plus built-up double and triple 2x wood members from 3 to 14 foot spans.
New Provisions in the NDS for Wood Construction
(496 K) A reprint of an article describes the new provisions incorporated in the National Design Specification for Wood Construction ｭ 1997.
Timber Engineering Software
(48 K) A review of software programs available on the market that can speed the analysis and design of wood-frame construction. The list of programs is offered as a service to specifiers and designers, and the listings do not imply an endorsements of these products by WWPA.
Design Load Tables for Wood Columns (Posts)
(105 K) Reviews design loads for simple wood columns from 4x4 up to 12x Western lumber posts. Includes table for incised lumber.
Shrinkage Calculations for Multistory Wood Frame Construction
(85 K) Details lumber moisture content issues and shrinkage calculations necessary for designing Western lumber in multistory projects.
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