Home / Materials / Owens Corning® Titanium® FR self-adhered roof underlayment

Owens Corning® Titanium® FR self-adhered roof underlayment

Name: Owens Corning® Titanium® FR self-adhered roof underlayment
Brand: Owens Corning Roofing and Asphalt, LLC

This is a listed roofing assembly. Listing 8180-2372:0001. This site cites astm-e108-ul-790. Match the model and orientation. A listing is not a permit.

Owens Corning documents Titanium FR as a 36-inch-wide, 50-foot self-adhered underlayment used as a component of specific ASTM E108/UL 790 Class A roof assemblies. CAL FIRE OSFM listing 8180-2372:0001 covers the nominal 2.2-millimetre seven-layer membrane in named clay-tile, concrete-tile, steel-panel, and aluminum-panel assemblies.

Kind: listed-assembly. Brand: Owens Corning Roofing and Asphalt, 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.

Attribute	Value	Evidence source
Fire rating	class a	Titanium FR high-temperature fire-resistant self-adhered underlayment (manufacturer)
Assembly role	roof underlayment	Titanium FR high-temperature fire-resistant self-adhered underlayment (manufacturer)
Width	36 in	Titanium FR high-temperature fire-resistant self-adhered underlayment (manufacturer)
Length	600 in	Titanium FR high-temperature fire-resistant self-adhered underlayment (manufacturer)
Test standard	astm e108	Titanium FR high-temperature fire-resistant self-adhered underlayment (manufacturer)

Program	ID / source	Evidence date	Expires	Status
CAL FIRE BML	8180-2372:0001 · Search BML for 8180-2372:0001	2026-08-25	2027-06-30	listed

Tests and programs cited

ASTM E108 / UL 790 · test-method
OSFM BML · listing-program

Models named on the listing

Model	Application
Titanium FR single-ply clay-tile assembly	minimum 15/32-inch plywood deck at 2:12 or greater with qualifying clay roof tile
Titanium FR single-ply concrete-tile assembly	minimum 15/32-inch plywood deck at 2:12 or greater with qualifying concrete tile
Titanium FR single-ply steel-panel assembly	minimum 15/32-inch plywood deck at 1/2:12 or greater with minimum 26-gauge steel
Titanium FR two-ply aluminum-panel assembly	minimum 15/32-inch plywood deck at 1/2:12 or greater with 0.032-inch aluminum

Class A applies to the complete listed assembly. Match the one- or two-ply underlayment, deck, minimum slope, roof-covering material and weight or gauge, adhesion, laps, and installation details to OSFM listing 8180-2372:0001 and current Owens Corning 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, map, date, project check, documented constraint match, and still-undocumented field visible. It is not a permit result. Full explorer: Can I use this here.

Set a location for the local trace

Without a place, no local application is inferred. The collapsed jurisdiction index below keeps every sourced static trace available.

Set a ZIP to read the local force for this product. Every static jurisdiction trace stays below.

The rule and every matching product for the United States

Sources

2025 OSFM WUI Listed Products Handbook (2 September 2025) — CAL FIRE OSFM (official). Accessed 2026-08-23.
OSFM Building Materials Listing search — CAL FIRE OSFM (listing-body). Accessed 2026-08-23.
Titanium FR high-temperature fire-resistant self-adhered underlayment — Owens Corning Roofing and Asphalt, LLC (manufacturer). Accessed 2026-08-25.
Titanium FR installation instructions — Owens Corning Roofing and Asphalt, LLC (manufacturer). Accessed 2026-08-25.

Owens Corning® Titanium® FR self-adhered roof underlayment. FireApproved. https://fireapproved.com/materials/owens-corning-roofing-and-asphalt-llc/. Last verified 2026-08-25.