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WoodSyn, LLC

WoodSyn manufactures OptimBoard wood-wool cement panels and appears as a listee in the live CAL FIRE OSFM Building Materials Listing.

Listing health: 1 listed. Soonest expiry: 2027-06-30. Statuses derive from the live program data by a published rule.

Product record	Status	Expires
WoodSyn OptimBoard™ wood-wool cement sheathing	Listed	2027-06-30

Sources

OSFM Building Materials Listing (live database) — CAL FIRE OSFM (listing-body). Accessed 2026-08-23.
WoodSyn OptimBoard product overview — WoodSyn, LLC (manufacturer). Accessed 2026-08-25.