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ASTM D7033-07

(Practice)

Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels

Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels

SIGNIFICANCE AND USE
The procedures described in this practice are intended to be used to establish design capacity (both strength and stiffness) values based on testing of OSB that, at a minimum, satisfies the performance requirements of PS-2.
Review and reassessment of values derived from this practice shall be conducted on a periodic basis. If a change is found to be significant, retesting or reevaluation, or both, in accordance with the procedures of this practice shall be considered.
SCOPE
1.1 This practice covers the basis for code recognition of design capacities for OSB structural-use panels. Procedures are provided to establish or re-evaluate design capacities for OSB structural-use panels. Procedures for sampling and testing are also provided. Design values stated as capacity per unit dimension are to be regarded as standard. Design capacities developed in accordance with this practice are applicable to panels intended for use in dry in-service conditions.
Note 1—This practice is based on ICC-ES Acceptance Criteria AC-182. Relative to the scope of AC-182, this practice is limited to OSB panels.
Note 2—While this practice makes reference to PS-2, this practice applies similarly to products certified to other standards such as CAN/CSA O325.
Note 3—OSB produced under PS-2 is rated with the "Exposure 1" bond classification. Exposure 1 panels covered by PS-2 are intended for dry use applications where the in-service equilibrium moisture content conditions are expected to be less than 16 %. Exposure 1 panels are intended to resist the effects of moisture due to construction delays, or other conditions of similar severity. Guidelines on use of OSB are available from manufacturers and qualified agencies.

General Information

Status
Historical
Publication Date
14-Apr-2007
ICS
79.060.01 - Wood-based panels in general
Technical Committee
D07 - Wood
Drafting Committee
D07.03 - Panel Products
Current Stage
Ref Project

Relations

Replaces
ASTM D7033-05 - Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels
Effective Date
15-Apr-2007
Referred By
ASTM D7672-19 - Standard Specification for Evaluating Structural Capacities of Rim Board Products and Assemblies
Effective Date
15-Apr-2007

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ASTM D7033-07 - Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use PanelsASTM D7033-07 - Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels
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ASTM D7033-07 - Standard Practice for Establishing Design Capacities for Oriented Strand Board (OSB) Wood-Based Structural-Use Panels
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D7033 − 07
StandardPractice for
Establishing Design Capacities for Oriented Strand Board
1
(OSB) Wood-Based Structural-Use Panels
This standard is issued under the fixed designation D7033; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
Oriented strand board (OSB) wood-based structural-use panels have been used in a variety of
applications since the 1970s. OSB panels manufactured for use in North America generally comply
with U.S. Department of Commerce Standard PS-2. Panels that comply with PS-2 are subjected to
various kinds of qualification performance testing and ongoing quality assurance testing. While many
panel applications are specified simply on the basis of meeting a given “span rating” as defined in
PS-2, some construction and specialty applications may require a complete set of engineering design
values. Based on the structural tests required by PS-2 (flexure), along with data for other properties,
a set of baseline capacities has been available since 1988. As is customary for structural-use panels,
design values will be discussed in this practice in terms of design capacities rather than design
properties, where the difference is that a design property is expressed in units of stress (that is,
pounds-per-square inch) and a design capacity is expressed in the engineering units of strength (that
is, inch-pounds of bending strength capacity, pounds of tensile capacity, and so forth). The term
“design values” will be used generically and can apply to either properties or capacities.
As uses for OSB wood-based structural-use panels extend into new applications, it becomes
increasingly important that manufacturers, qualified agencies, and regulatory bodies reference a set of
common, consensus-based procedures for establishment of design values.The purpose of this practice
is to provide these common procedures.
conditions are expected to be less than 16 %. Exposure 1 panels are
1. Scope
intended to resist the effects of moisture due to construction delays, or
1.1 This practice covers the basis for code recognition of
other conditions of similar severity. Guidelines on use of OSB are
designcapacitiesforOSBstructural-usepanels.Proceduresare available from manufacturers and qualified agencies.
provided to establish or re-evaluate design capacities for OSB
2. Referenced Documents
structural-use panels. Procedures for sampling and testing are
2
also provided. Design values stated as capacity per unit 2.1 ASTM Standards:
D9 Terminology Relating to Wood and Wood-Based Prod-
dimension are to be regarded as standard. Design capacities
developed in accordance with this practice are applicable to ucts
D143 Test Methods for Small Clear Specimens of Timber
panels intended for use in dry in-service conditions.
NOTE 1—This practice is based on ICC-ES Acceptance Criteria
D1037 Test Methods for Evaluating Properties of Wood-
AC-182. Relative to the scope ofAC-182, this practice is limited to OSB
Base Fiber and Particle Panel Materials
panels.
D1761 Test Methods for Mechanical Fasteners in Wood
NOTE 2—While this practice makes reference to PS-2, this practice
D1990 Practice for Establishing Allowable Properties for
applies similarly to products certified to other standards such as CAN/
CSA O325. Visually-Graded Dimension Lumber from In-Grade Tests
NOTE 3—OSB produced under PS-2 is rated with the “Exposure 1”
of Full-Size Specimens
bond classification. Exposure 1 panels covered by PS-2 are intended for
D2555 PracticeforEstablishingClearWoodStrengthValues
dry use applications where the in-service equilibrium moisture content
D2718 Test Methods for Structural Panels in Planar Shear
(Rolling Shear)
1
This practice is under the jurisdiction ofASTM Committee D07 on Wood and
2
is the direct responsibility of Subcommittee D07.03 on Panel Products. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved April 15, 2007. Published May 2007. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2005. Last previous edition approved in 2005 as D7033 – 05. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D7033-07. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7033 − 07
D2719 TestMethodsforStructuralPanelsinShearThrough- 3.2.2 characteristic value—a population mean, confidence
the-Thickness interval, or tolerance limit estimated from the
...

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4.1 Machining tests are made to determine the working qualities and characteristics of different species of wood and of different wood-based panel materials under a variety of machine operations such as are encountered in commercial manufacturing practice. The tests provide a systematic basis for comparing the behavior of different products with respect to woodworking machine operations and of evaluating their potential suitability for certain uses where these properties are of prime importance.
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4.1 The procedures described in this practice are intended to be used to establish design capacity (both strength and stiffness) values based on testing of OSB that, at a minimum, satisfies the relevant performance requirements of PS 2.  
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1.1 This practice covers the basis for code recognition of design capacities for OSB structural-use panels. Procedures are provided to establish or re-evaluate design capacities for OSB structural-use panels in flatwise and axial applications. Design capacities for OSB structural-use panels in edgewise applications, such as rim board, are outside the scope of this standard. Procedures for sampling and testing are also provided. Design values stated as capacity per unit dimension are to be regarded as standard. Design capacities developed in accordance with this practice are applicable to panels intended for use in dry in-service conditions.
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5.1 This practice documents cyclic performance benchmarks for shear walls constructed with wood structural panel (WSP) sheathing attached to dimension lumber framing using common or galvanized box nails as defined in 3.2.8.  
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SCOPE
1.1 This practice establishes a method for alternative shear wall systems to compare seismic equivalency parameters (SEP) derived from cyclic in-plane racking tests to performance targets derived from tests of light-frame shear walls constructed with wood structural panel (WSP) sheathing attached to dimension lumber framing using nails.  
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1.3 This practice is applicable only to shear walls where all vertical-load-supporting elements are intact at the end of the in-plane lateral load test and remain capable of supporting gravity loads. Wall assemblies whose vertical-load-supporting elements buckle or otherwise become incapable of supporting gravity loads during the lateral load test are outside the scope of this practice. In addition, for bearing wall systems, this practice assumes that the shear wall system under evaluation has documented design procedures to ensure that vertical-load-supporting elements have adequate resistance to the combined effect of compression loads caused by overturning and gravity loads.  
1.4 This practice does not address height limitations, detailing requirements, wall openings, derivation of design values for strength and stiffness, or other requirements and limitations that may be necessary for an alternative shear wall system. These requirements shall be provided elsewhere, such as by a suitable product standard for the alternative shear wall system.  
1.5 This practice assumes that the stiffness or deformation of the alternative shear wall system can be estimated, and that design loads within a structure will be distributed among seismically equivalent wall systems based on their relative stiffness.  
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1.7 This practice assumes that the alternative shear wall system may be used alone or in combination with wood-frame shear walls sheathed with wood structural panels.  
1.8 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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ASTM D4933-16(2021)(Guide)
Standard Guide for Moisture Conditioning of Wood and Wood-Based Materials

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4.1 Many physical and mechanical properties of wood and wood-based materials change in response to the environmental equilibrium moisture content, and any comparison of these properties must take moisture content into account. A consistent base for comparison among different test samples and different laboratories is necessary. Shrinkage and dimensional change in particular are dependent on moisture content, and tests involving their measurement must be conducted with good equilibrium moisture content control. Conditioning can also be important in industrial settings where there are optimum moisture content levels for many products and processes, and conformance to these levels can reduce losses in quality and yield.
SCOPE
1.1 This guide covers standard procedures for conditioning and equilibrating wood and wood-based materials to constant moisture content. The procedures apply to solid wood, wood-based fiber and particulate materials and panels, and wood products containing adhesives. They are intended for use in research and development activities, testing laboratories, quality control, and for all other classes of producers and users. This guide includes background material on the importance of moisture content control, important definitions and technical data, possible types of apparatus, procedures, and the importance of conditioning time. Users should recognize that the necessary degree of precision and bias varies with the intentions of the users. Some research and testing, for example, might require very close control of moisture content, whereas control in an industrial storage facility might not require such close control. This guide offers procedures that include these different requirements.  
1.2 The values stated in SI units are to be regarded as standard. The values of temperature in degrees Fahrenheit given in Table X1.2 are mathematical conversions that are provided for information only and are not considered standard.  
1.3 The following safety hazards caveat pertains only to the procedure section, Section 6, of this guide. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM D7612-21(Practice)
Standard Practice for Categorizing Wood and Wood-Based Products According to Their Fiber Sources

SIGNIFICANCE AND USE
5.1 Voluntary forest certification systems have become an important factor in promoting sustainable forest management. The standards in use are highly variable, however. Even within a family of standards with a common label there is the potential for wide variations in practices. This prevents producers and consumers from using a certification label to characterize products according to a specific set of qualities or values. This practice creates a framework to differentiate products based on a set of qualities and values identified as important in the market for wood products. (A) See Appendix X3 for discussion of additional concepts related to sub-categorization of certified sources.(B) For the purposes of categorizing products under this practice, distributors and retailers can rely on “on-product” labels for chain of custody or a certified procurement system if they are not engaged in significant value-added processing or remanufacture. In lieu of an on‐product label, a certificate of compliance indicating conformance with the applicable chain of custody or certified procurement system is permitted.  
5.2 This practice is intended to be used by producers, distributors, retailers, or consumers who wish to understand where a product fits within three categories. At a minimum, the user will need to know the geographic origin of the wood going into a product and whether it is labeled or otherwise certified to a procurement system or chain of custody based on a voluntary forest management or certification standard. Producers who want to use this practice must be able to identify the geographic origin of the wood to at least the level needed to support the claims to consumers associated with a given category and described in 6.1.
SCOPE
1.1 This practice sets forth minimum criteria and evaluation requirements for products employing the use of different systems to trace wood fiber to sources operating under different forest management or forest certification systems.  
1.2 The purpose of this practice is to provide wood products manufacturers, distributors, and retailers with a system to provide clear, objective information to communicate to consumers regarding product conformance to different wood fiber tracing systems within specific forest management or forest certification programs. It provides a structure that segregates the different types of labels and tracing systems in use among major forest certification standards and other voluntary and regulatory standards governing the production of forest products.
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1.2.1 This practice provides an objective basis to differentiate among:
1.2.1.1 Non-controversial (that is, legal) sources of forest products,
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3.1 Most of the methoxyl in wood is attributable to the lignin. This test method is used extensively in the study of lignin.
SCOPE
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