Home / Materials / Thermo Ambara is a thermally modified Tongue and Groove Nickel Gap/Reverse siding product
Thermo Ambara is a thermally modified Tongue and Groove Nickel Gap/Reverse siding product This is a listed siding assembly. Listing 8140-2377:0003. This site cites cal-fire-bml. Match the model and orientation. A listing is not a permit.
Listed · limited evidence. Active CAL FIRE BML listing 8140-2377:0003, 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 8140-2377:0003 · 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.
Nova USA Wood Products listing 8140-2377:0003 in OSFM category 8140 (exterior wall siding and sheathing for wildland urban interface (w.u.i)). Thermo Ambara is a thermally modified Tongue and Groove Nickel Gap/Reverse siding product, minimum nominally 1" thick x 6" wide. Product is designed to be installed horizontally over 7/16" exterior OSB sheathing with nominal 2" x 4" wood studs spaced 16" on center.
Kind: listed-assembly.
Brand: Nova USA Wood Products . Listing evidence: OSFM WUI handbook 2026-08-25.
Page reviewed 2026-08-23. JSON (CC BY 4.0)
The live BML record names no test protocol in its description; confirm the test standard and exact models on GOVmotus 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 .
Set a location for the local trace Without a place, no local application is inferred. The collapsed jurisdiction index below keeps every sourced static trace available.
Set a ZIP to read the local force for this product. Every static jurisdiction trace stays below.
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
California SFM 12-7A-1 wall undocumented Field Required Documented value State Test standard Test standard = sfm 12 7a 1 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
A product is a national record; where it applies is a fact about a place. The rule that
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
claim graph for this record, including every open official check, is in its
JSON twin .
Thermo Ambara is a thermally modified Tongue and Groove Nickel Gap/Reverse siding product. FireApproved. https://fireapproved.com/materials/nova-usa-wood-products-thermo-ambara/. 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.