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// CODE SNIPPET

R803.2 Wood Structural Panel Sheathing

Los Angeles Residential Code > 8 Roof-Ceiling Construction > R803 Roof Sheathing > R803.2 Wood Structural Panel Sheathing
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R803.2.1 Identification and Grade

Wood structural panels shall conform to DOC PS 1, DOC PS 2, CSA O437 or CSA O325, and shall be identified for grade, bond classification and performance category by a grade mark or certificate of inspection issued by an approved agency. Wood structural panels shall comply with the grades specified in Table R503.2.1.1(1).

R803.2.1.1 Exposure Durability

Wood structural panels, when designed to be permanently exposed in outdoor applications, shall be of an exterior exposure durability. Wood structural panel roof sheathing exposed to the underside shall be permitted to be of interior type bonded with exterior glue, identified as Exposure 1.

R803.2.1.2 Fire-Retardant-Treated Plywood

The allowable unit stresses for fire-retardant-treated plywood, including fastener values, shall be developed from an approved method of investigation that considers the effects of anticipated temperature and humidity to which the fire-retardant-treated plywood will be subjected, the type of treatment and redrying process. The fire-retardant-treated plywood shall be graded by an approved agency.

R803.2.2 Allowable Spans

The maximum allowable spans for wood structural panel roof sheathing shall not exceed the values set forth in Table R503.2.1.1(1), or APA E30.

R803.2.3 Installation

Wood structural panel used as roof sheathing shall be installed with joints staggered or not staggered in accordance with Table R602.3(1), APA E30 for wood roof framing or with Table R804.3 for cold-formed steel roof framing.

R803.2.4 Openings in Horizontal Diaphragms

AMENDMENT
This section has been amended at the state or city level.
Openings in horizontal diaphragms shall conform to LAMC Paragraph 91.5.503.2.4.

Related Code Sections


R503.2 Floors, Wood Structural Panel Sheathing
Wood structural panel sheathing used for structural purposes shall conform to CSA O325, CSA O437 DOC PS 1 or DOC PS 2. Panels shall be identified ...
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R503.2 Floors, Wood Structural Panel Sheathing
Wood structural panel sheathing used for structural purposes shall conform to DOC PS 1, DOC PS 2, CSA O437 or CSA O325. Panels shall be identified ...
Los Angeles Residential Code > 5 Floors > R503 Floor Sheathing > R503.2 Wood Structural Panel Sheathing
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Where wood structural panel sheathing is used as the exposed finish on the outside of exterior walls, it shall have an exterior exposure durability ...
Los Angeles Building Code > 23 Wood > 2304 General Construction Requirements > 2304.6 Exterior Wall Sheathing > 2304.6.1 Wood Structural Panel Sheathing
2304.6.1 Wood, Wood Structural Panel Sheathing
Where wood structural panel sheathing is used as the exposed finish on the outside of exterior walls, it shall have an exterior exposure durability ...
Los Angeles Building Code > 23 Wood > 2304 General Construction Requirements > 2304.6 Exterior Wall Sheathing > 2304.6.1 Wood Structural Panel Sheathing
R803.2 Roof-Ceiling Construction, Wood Structural Panel Sheathing
, when designed to be permanently exposed in outdoor applications, shall be of an exterior exposure durability. Wood structural panel roof sheathing ...
Los Angeles Residential Code > 8 Roof-Ceiling Construction > R803 Roof Sheathing > R803.2 Wood Structural Panel Sheathing
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