Specie – Hickory (Carya spp.); relative hardness – 1,820 (Janka); thickness – 1/2″; width – 5″; lengths- 16-48″; finish – Handscraped w/PPG and aluminium oxide coating, 35-year limited residential warranty; installation – nail, staple or glue-down (T&G Antique Perspective Collection) or floating , drop lock installation with Click system (Evolution North American Collection); environmental – FloorScore certified and CARB Phase II compliant.