1. 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.

This practice is based on ICC-ES Acceptance Criteria AC-182-Acceptance Criteria for Wood-Based Structural-Use Panels. Relative to the scope of AC-182, this practice is limited to OSB panels.

While this practice makes reference to PS-2, this practice applies similarly to products certified to other standards such as CAN/CSA O325.

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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D9 Terminology Relating to Wood and Wood-Based Products

D143 Test Methods for Small Clear Specimens of Timber

D1037 Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel Materials

D1761 Test Methods for Mechanical Fasteners in Wood

D1990 Practice for Establishing Allowable Properties for Visually-Graded Dimension Lumber from In-Grade Tests of Full-Size Specimens

D2555 Practice for Establishing Clear Wood Strength Values

D2718 Test Methods for Structural Panels in Planar Shear (Rolling Shear)

D2719 Test Methods for Structural Panels in Shear Through-the-Thickness

D2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products

D3043 Test Methods for Structural Panels in Flexure

D3500 Test Methods for Structural Panels in Tension

D3501 Test Methods for Wood-Based Structural Panels in Compression

D4442 Test Methods for Direct Moisture Content Measurement of Wood and Wood-Base Materials

D4933 Guide for Moisture Conditioning of Wood and Wood-Based Materials

D5456 Specification for Evaluation of Structural Composite Lumber Products

D5457 Specification for Computing Reference Resistance of Wood-Based Materials and Structural Connections for Load and Resistance Factor Design

D5764 Test Method for Evaluating Dowel-Bearing Strength of Wood and Wood-Based Products

D6815 Specification for Evaluation of Duration of Load and Creep Effects of Wood and Wood-Based Products

E4 Practices for Force Verification of Testing Machines

ICS Code

ICS Number Code 79.060.01 (Wood-based panels in general)

DOI: 10.1520/D7033-05

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