This record confirms inclusion in the September 2, 2025 handbook. The current GOVmotus listing status, issue date and expiration are not asserted from this source.
California OSFM · WUI handbook listing
2520-2400:0001
Wood Modification Technologies
The official 2025 OSFM WUI Products Handbook includes this listing under category 2520, Treated Lumber. Open the exact source page before relying on the entry.
- Listee
- Wood Modification Technologies
- Source category
- 2520 · Treated Lumber
- Source state
- Included in 2025 handbookCurrent live status not asserted
- Test protocol
- UL 723 with an additional 20 minutes and ASTM D2898PDF page 82
- Rating
- Class A Flame SpreadPDF page 82
- Publication tier
- Verified metadataNot presented as a complete live BML report
Source-backed record content
Design description
FLAMEFixx treated Radiata Pine lumber. Nominal 2 inches by 6 inches by up to 24 feet long planks are pressure impregnated with FLAMEFixx fire retardant chemical. Refer to manufacturer's installation instructions and product data sheets for…
Read the full official entryThe excerpt is intentionally short. Installation conditions, product instructions, tests, dimensions and limitations must be verified in the complete official record and manufacturer documents.
Sources & verification
Official OSFM handbook
- Issuing program
- CAL FIRE Office of the State Fire Marshal, Building Materials Listing Program
- Edition
- September 2, 2025
- Last checked
- Aug 31, 2026, 10:07 PM UTC
- Evidence locator
- PDF index 81; displayed page 82
- Document hash
a6aad61d6535b368279fcaea39a913ebe8ab72b4b51ee07a1da6ce7af1c27c29- Storage policy
- Link only; Approval Index does not serve a PDF copy
Independent research context
Approval Index is independent and is not affiliated with, endorsed by, or operated by CAL FIRE, OSFM, the State of California, or the local authority having jurisdiction. Handbook inclusion does not determine suitability, code compliance, installation acceptance or permit approval for a project. Verify the current official listing, full documents, adopted code and project-specific requirements with the AHJ and qualified professionals.
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