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LOUISIANA-PACIFIC CORPORATION (8140-2027:0005)

This is a listed siding assembly. Listing 8140-2027:0005. This site cites cal-fire-bml. Match the model and orientation. A listing is not a permit.

“LP® FlameBlock®” sheathing, 4’ x 8’ fire rated oriented strand board (OSB), 7/16 *Category with minimum Pyrotile thickness of 0.06, applied to fiberglass mat and Pyrotile laminate applied to one face of OSB, and "LP® SmartSide®" strand substrate lap siding cladding. Refer to the manufacturer's application instructions and product data sheets.

Kind: listed-assembly. Brand: Louisiana-Pacific Corporation. Listing evidence: OSFM WUI handbook 2026-08-25. Page reviewed 2026-08-23. JSON (CC BY 4.0)

ProgramID / sourceEvidence dateExpiresStatus
CAL FIRE BML 8140-2027:0005 · Search BML for 8140-2027:0005 2026-08-25 2027-06-30 listed

Tests and programs cited

Sources

LOUISIANA-PACIFIC CORPORATION (8140-2027:0005). FireApproved. https://fireapproved.com/materials/louisiana-pacific-corporation-8140-2027-0005/. Last verified 2026-08-23.