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TT-205 T&G Cedar Siding - Nominal 1x6 and wider

This is a listed siding assembly. Listing 8140-2294:0500. This site cites sfm-12-7a-1. Match the model and orientation. A listing is not a permit.

Defiance Forest Products listing 8140-2294:0500 in OSFM category 8140. Rainier Plank Model TT-205 T&G Cedar Siding - Nominal 1x6 and wider. Refer to the manufacturer's installation instructions and product data sheets.

Kind: listed-assembly. Brand: Defiance Forest Products. Listing evidence: OSFM WUI handbook 2026-08-25. Page reviewed 2026-08-23. 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
Test standard sfm 12 7a 1 OSFM Building Materials Listing — 8140-2294:0500 (official-listing · Listing 8140-2294:0500, TEST PROTOCOL)

Published requirement matches

These links are generated from the cited attributes above. They do not decide installation or a project result.

ProgramID / sourceEvidence dateExpiresStatus
CAL FIRE BML 8140-2294:0500 · Search BML for 8140-2294:0500 2026-08-25 2027-06-30 listed

Tests and programs cited

Models named on the listing

ModelApplication
TT-205 (TT-205)

Sources

TT-205 T&G Cedar Siding - Nominal 1x6 and wider. FireApproved. https://fireapproved.com/materials/defiance-forest-products-tt-205-t-g-cedar-siding-nominal-1x6-and-wider/. Last verified 2026-08-23.