Home / Materials / "Nordic" thermally modified wood cladding in tongue and groove profile

"Nordic" thermally modified wood cladding in tongue and groove profile

This is a listed siding assembly. Listing 8140-2440:0001. This site cites cal-fire-bml. Match the model and orientation. A listing is not a permit.

Lunawood, LLC. listing 8140-2440:0001 in OSFM category 8140 (exterior wall siding and sheathing for wildland urban interface (w.u.i)). "Nordic" thermally modified wood cladding in tongue and groove profile, nominally sized 1" thick by 6" wide boards, installed horizontally. Exterior wall assembly consists of the siding boards installed horizontally, over SPF wood 1" x 2" furring strips at each stud location, over 5/8" DensGlass Gold sheathing on 2" x 4" studs 16" O.C.

Kind: listed-assembly. Brand: Lunawood, LLC.. Listing evidence: OSFM WUI handbook 2026-08-25. Page reviewed 2026-08-26. JSON (CC BY 4.0)

Documented attributes

Each value below points to its field-level manufacturer, official-listing, test-report, or standard-body evidence.

AttributeValueEvidence source
Material wood CAL FIRE OSFM Building Materials Listing — 8140-2440:0001 (official-listing · Listing 8140-2440:0001, Description field)
ProgramID / sourceEvidence dateExpiresStatus
CAL FIRE BML 8140-2440:0001 · Search BML for 8140-2440:0001 2026-08-25 2027-06-30 listed

Tests and programs cited

Sources

"Nordic" thermally modified wood cladding in tongue and groove profile. FireApproved. https://fireapproved.com/materials/lunawood-llc-nordic-thermally-modified-wood-cladding-in-tongue-and/. Last verified 2026-08-26.