Replacement Baffle Board for Hearthstone Lincoln 8060 Wood Stoves. The baffle board measures 14-1/2" x 9-1/4" x 1/2" . Made from ceramic fiber alternative board which, unlike ceramic fiber, is not classified as carcinogenic or hazardous. The baffle board is hard, strong, withstands 2100F, and is rigidized grey for added durability.