Red Oak (Quercus rubra), relative hardness – 1,290, thickness: – 3/4″ (solid), 1/2″ or 5/8″ (engineered), widths: 2-1/4″, 3-1/4″, 4-1/4″ (solid) or 4″, 5″ & 6″ (engineered), grades – Prestige or Excel, finish – Semi-Gloss or Ultra Matte with Evershine, 35-year Limited Warranty. Made in Canada.