Home / Materials / Timber Products Company (8140-2343:0502)
Timber Products Company (8140-2343:0502) This is a listed siding assembly. Listing 8140-2343:0502. This site cites sfm-12-7a-1. Match the model and orientation. A listing is not a permit.
Listed · limited evidence. Active CAL FIRE BML listing 8140-2343:0502, expires 2027-06-30 (verified against the live BML 2026-08-25). Limited evidence: a single positive channel so far — more programs or documentation may still move this record.
▲ CAL FIRE BML 8140-2343:0502 · active
Status derived from the cited listings by a published rule, never hand-assigned. Each chip
above is one evidence channel and its direction. A listing is not a permit — the authority
having jurisdiction decides.
Timber Products Company listing 8140-2343:0502 in OSFM category 8140. Timber Products "APA 303®" 5-Ply Plywood Siding with Okoume Reverse Board and Batten, nominal 19/32" thick, 1-1/2" groove width or smaller with spacing 12" or larger, 4' x 8' or taller panel. Installed on nominal 2" x 4" studs, 16" O.C., and fastened with 8d (2-1/2") nails. Refer to the manufacturer's installation instructions and product data sheets.
Kind: listed-assembly.
Brand: Timber Products Company . Listing evidence: OSFM WUI handbook 2026-08-25.
Page reviewed 2026-08-23. JSON (CC BY 4.0)
Documented attributes Each value below points to its field-level manufacturer, official-listing, test-report, or standard-body evidence.
Published requirement matches These links are generated from the cited attributes above. They do not decide installation or a project result.
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. Can I use this here
This trace joins product evidence to a sourced code application, then keeps every boundary,
map, date, project check, documented constraint match, and still-undocumented field visible.
It is not a permit result.
Full explorer: Can I use this here .
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In this place , this meets the adopted California SFM 12-7A-1 wall rule.
The rule and every matching product for the United States
Save to my house How this product meets each requirement (16)
Requirement constraints (16)
Each table below compares this product's documented attributes against one published
requirement. That comparison is a fact about the product and the requirement, and does not
change from place to place, so it is printed once.
Requirement constraints (16)
Each table compares this product's documented attributes with one published
requirement. That comparison does not change from place to place, so it is printed
once here and linked from every jurisdiction below.
IWUIC Class 1 wall-base protection undocumented Field Required Documented value State Assembly role Assembly role = wall base protection Not documented undocumented Height Height ≥ 6 in Not documented undocumented Noncombustible Noncombustible = Yes Not documented undocumented
Colorado CWRC wall-base protection undocumented Field Required Documented value State Assembly role Assembly role = wall base protection Not documented undocumented Height Height ≥ 6 in Not documented undocumented Noncombustible Noncombustible = Yes Not documented undocumented
Kittitas IR1 one-hour wall undocumented Field Required Documented value State Fire resistance Fire resistance ≥ 60 min Not documented undocumented
Kittitas Table 503.1 N.C. wall undocumented Field Required Documented value State Fire resistance Fire resistance ≥ 60 min Not documented undocumented Noncombustible Noncombustible = Yes Not documented undocumented
2006 Utah UWUI Table 503.1 N.C. wall undocumented Field Required Documented value State Fire resistance Fire resistance ≥ 60 min Not documented undocumented Noncombustible Noncombustible = Yes Not documented undocumented
Where this applies
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binds a given address — and every product matching it — is published on that place's own
answer page, linked above and re-linked by the location lens. The complete per-place
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JSON twin .
Timber Products Company (8140-2343:0502). FireApproved. https://fireapproved.com/materials/timber-products-company-8140-2343-0502/. Last verified 2026-08-23. Verify at the source. Every listing number and claim here links to its origin — listings change and local amendments govern, so check the current record before you specify.