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Depending upon the product, a span rating will consist of (1) or (2) numbers, with details as follows: Single-floor panels have a single-number (e.g., 20oc, 24oc) span rating where “oc” refers to “on center” joist spacing (i.e., the center-to-center distance between adjacent joists).
The standard classi-fies panels by bond classification, span rating, performance category and grade. It provides test methods, a glossary of trade terms and definitions, and a quality certification program whereby agencies inspect, sample, and test products for conformance to this standard.
Panels may be identified in three classes: all-veneer panels, composite panels, or mat-formed panels. See PS 2 for definition of terms. Panels shall qualify on an individual panel construction basis for the Span Rating upon demonstrated conformance to the appropriate requirements of Sections 4.3 through 4.8. Plywood manufac-
Product Standard PS2-18 i s a performance-based standard, setting down structural criteria for assessing the acceptability of plywood, OSB and composite panels for load bearing, sheathing applications in construction such as floors, walls and roofs. It also includes test methods to determine compliance.
The following load-span tables apply to APA trademarked structural-use panels qualified and manufactured in accor dance with APA PRP-108, Performance Standards and Policies for Structural-Use Panels, Form E445, Voluntary Product Standard PS 2-04, Performance Standard for Wood-Based Structural-Use Panels, Form S350 and Voluntary Product Standard ...
by span rating, nominal thickness, exposure rating, and. grade. 9.1.3. Definitions. 9.1.3.1. The term “wood structural panel” refers to ... PS 1. or PS 2 and are intended for structural use in . residential, commercial, and industrial applications. 9.1.3.2. The term “composite panel” refers to a . wood structural panel comprised of wood ...
4 Μαρ 2024 · 2. Span rating. On sheathing panels, the span rating is marked as two numbers separated by a slash: The number on the left marks the maximum recommended center-to-center spacing (in inches) for supports when used for roof sheathing with the long dimensions across supports.
