United States / Build / “CemSoffit®” un-vented, fiber-cement soffit, 3/16” thick and ¼” thick, under eave material

“CemSoffit®” un-vented, fiber-cement soffit, 3/16” thick and ¼” thick, under eave material: eave assembly section, drawn from this record's sourced dimensions. No dimension is drawn that its source did not publish.
“CemSoffit®” un-vented, fiber-cement soffit, 3/16” thick and ¼” thick, under eave material — eave assembly section. 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.

“CemSoffit®” un-vented, fiber-cement soffit, 3/16” thick and ¼” thick, under eave material

This is a listed eave assembly. Listing 8160-2026:0006. This site cites OSFM BML. Match the model and orientation.

Kind: listed-assembly. Brand: James Hardie Building Products, Inc.. Listing evidence: OSFM WUI handbook 2026-08-25. Page reviewed 2026-08-26. JSON (CC BY 4.0)

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This soffit carries 2 listings, and attributes include 1 documented attribute conflict. The WUI handbook row and the ICC-ES row do not automatically resolve that conflict.

OSFM 8160-2026:0006 is one identifier; ESR-2273 is the other (ESR-2273). Warnings cite the OSFM WUI handbook as the listing source and ask for a live GOVmotus check against the exact model.

Lot comparison and submittal documents are the next stops before treating either identifier as a finished soffit specification.

Documents for this product

Each link opens the publisher's own copy, so you read the revision they are shipping today.

Evaluation reports

  • ICC-ES ESR-2273 — HardieSoffit® and CemSoffit® Exterior Soffit Panel — ICC Evaluation Service, LLC · PDF
    Seven pages, and it names CemSoffit® in its own title and throughout Section 3.0 as the same panel as Hardie®Soffit — the report writes the pair as “Hardie®Soffit (Cemsoffit®)”. Table 1 carries a Cemsoffit® Woodgrain (unvented) row at 1/4 inch, but Table 1 is headed STANDARD NOMINAL SOFFIT DIMENSIONS and was not used for that reason; Section 3.0's prose and the Table 2/3 PRODUCT THICKNESS column head, neither qualified as nominal, are what the thickness is read from. NO CEMSOFFIT-SPECIFIC MANUFACTURER SPECIFICATION SHEET WAS FOUND — the syndicated BuildSite sheet covers Hardie® Soffit Panels and does not name CemSoffit, so it is cited on the HardieSoffit record and not on this one.

Documented attributes

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

AttributeValueEvidence source
Material
Material fiber cement CAL FIRE OSFM Building Materials Listing — 8160-2026:0006 (official-listing · Listing 8160-2026:0006, Description field)"CemSoffit®" un-vented, fiber-cement soffit, 3/16" thick and ¼" thick under eave material.
ProgramID / sourceEvidence dateExpiresStatus
CAL FIRE BML 8160-2026:0006 · Search BML for 8160-2026:0006 2026-08-25 2027-06-30 listed
ICC-ES ESR-2273 · Record 2026-08-24 listed

Tests and programs cited

Specification notes

Sources

“CemSoffit®” un-vented, fiber-cement soffit, 3/16” thick and ¼” thick, under eave material. FireApproved. https://fireapproved.com/materials/james-hardie-building-products-inc-cemsoffit-un-vented-fiber-cement/. Last verified 2026-08-26.