Techincal Note: Fire-Retardant-Treated (FRT) Plywood

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It should be noted that the “manufacturer” in this case is the treater of the plywood, not the manufacturer of untreated plywood. The treatment processes used are mostly proprietary and the manufacturers of the untreated plywood have no

  Fire, Plywood, Treated, Retreat, Retardant, Fire retardant treated