Hard Maple(Acer spp.), relative hardness – 1450, thickness: – 3/4″ (Solid) or 1/2″ (Engineered), widths – Solid: 2-1/4″, 3-1/4″ & 4-1/4″ (Micro-V), Engineered: 3-1/4″ (Micro-V, Square Edge & Herringbone) & 5-3/16″ (Micro-V), grade – Select & Better/Pacific/Exclusive, texture – Smooth, finish – Titanium (Pure Genius optional), Semi-Gloss, 30-Year Residential Warranty. Installation – nailed, stapled, glued or floated (Engineered only).