Home / Materials / Thermory® Benchmark Pine 5/4×6 decking
Thermory® Benchmark Pine 5/4×6 decking This is a listed decking assembly. Listing 8110-2135:0501. This site cites astm-e84. Match the model and orientation. A listing is not a permit.
Listed · limited evidence. Active CAL FIRE BML listing 8110-2135:0501, 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 8110-2135:0501 · 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.
Thermory documents Benchmark Pine 5/4×6 No Groove as thermally modified Scots pine with a 1.02-inch thickness and 5.5-inch width. Its pine decking data sheet reports ASTM E84 Class B. CAL FIRE OSFM listing 8110-2135:0501 covers Benchmark Pine square-edge decking installed over nominal 2-by-6 Douglas-fir joists with no more than a 1/4-inch edge-to-edge gap.
Kind: listed-assembly.
Brand: Thermory USA LLC . Listing evidence: OSFM WUI handbook 2026-08-25.
Page reviewed 2026-08-25. JSON (CC BY 4.0)
Documented attributes Each value below points to its field-level manufacturer, official-listing, test-report, or standard-body evidence.
Models named on the listing Model Application Benchmark Pine Decking 5/4×6 No Groove exterior deck surface; 1.02 × 5.5 inches actual
Thermory also offers SaferWood Thermex FR variants. Match the treatment designation, board profile, finish, joists, and gap to OSFM listing 8110-2135:0501 and the manufacturer instructions. 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,
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The rule and every matching product for the United States
Save to my house How this product meets each requirement (13)
Requirement constraints (13)
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 (13)
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.
ORSC R327 noncombustible deck surface undocumented Field Required Documented value State Assembly role Assembly role = deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
Austin Zone A noncombustible appendage undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
IWUIC Class 1–2 noncombustible deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
Colorado CWRC Class A deck surface not matched Field Required Documented value State Assembly role Assembly role = deck surface deck surface matched Fire rating Fire rating = class a class b not matched
Colorado CWRC noncombustible deck surface undocumented Field Required Documented value State Assembly role Assembly role = deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
2018 IWUIC Class 1–2 noncombustible deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
Kittitas IR1–IR2 noncombustible deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
Kittitas IR1–IR2 one-hour deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Fire resistance Fire resistance ≥ 60 min Not documented undocumented
2021 IWUIC Class 1–2 noncombustible deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
2006 Utah UWUI Class 1–2 noncombustible deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Noncombustible Noncombustible = Yes Not documented undocumented
2006 Utah UWUI Class 1–2 one-hour deck undocumented Field Required Documented value State Assembly role Assembly role is one of deck structure, deck surface deck surface matched Fire resistance Fire resistance ≥ 60 min Not documented undocumented
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Thermory® Benchmark Pine 5/4×6 decking. FireApproved. https://fireapproved.com/materials/thermory-usa-llc-benchmark-pine-thermally-modified-wood-decking-with/. Last verified 2026-08-25. 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.