Fire Retardant Treated Wood Distributed by United Treating and Distribution, LLC Dimensional 2″x4″x10′ 2″x4″x12″ 2″x6x”x10′ 2″x6″x12″ Plywood 15/32” – 4 x 8’ 19/32” – 4 x 8’ 23/32” – 4 x 8’