United States / Build / Thermory® Benchmark Pine 5/4×6 decking
Thermory® Benchmark Pine 5/4×6 decking — type figure.
Drawn from this record's own sourced values; every dimension on it is one a
published document states, and a parameter the source did not publish is
named on the drawing rather than estimated.
CC BY 4.0 .
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.
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. This status is computed from the cited evidence by the published rule, never hand-assigned.
▲ CAL FIRE BML 8110-2135:0501 · active
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)
Can you use it here?
Enter your ZIP to see which local requirement this meets.
Documents for this product Each link opens the publisher's own copy, so you read the revision they are shipping today.
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
Specification notes 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. Can I use this here How this product meets each requirement (13)
Requirement constraints (13)
Each table compares this product's documented attributes with one published requirement.
The comparison does not change from place to place, so it is printed once.
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
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.
