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SIERRA PACIFIC INDUSTRIES (8140-2091:0102)
This is a listed siding assembly. Listing 8140-2091:0102. This site cites cal-fire-bml. Match the model and orientation. A listing is not a permit.
Solid-sawn “Wood” siding with no through holes or loose knots, installed over structural plywood or oriented strand board (OSB) with a 7/16” minimum thickness and complying with Voluntary Product Standard PS1 or Voluntary Product Standard PS2, with the following interlocking designs when installed in accordance with industrial technical guide. Refer to the manufacturer's installation instructions and product data sheets. a.
Not present in the live OSFM BML as of 2026-08-25, though it appeared in the 2025-09-02 WUI handbook. The listing may have expired, been withdrawn, or been renumbered. Do not specify against the OSFM listing without confirming on GOVmotus.
Not present in the live OSFM BML as of 2026-08-23, though it appeared in the 2025-09-02 WUI handbook. The listing may have expired, been withdrawn, or been renumbered. Do not specify against the OSFM listing without confirming on GOVmotus.
Listing is from the OSFM WUI handbook. Confirm the live GOVmotus record and the exact model before specification.
OSFM listing is not a permit. The authority having jurisdiction decides.
SIERRA PACIFIC INDUSTRIES (8140-2091:0102). FireApproved. https://fireapproved.com/materials/sierra-pacific-industries-8140-2091-0102/. Last verified 2026-08-23.