At the pinnacle of the Master Designs lineup, Rock Solid Premier sets the standard for luxury rigid core flooring with a thicker 6mm overall construction and an ultra-durable 20 mil wear layer. This premium tier provides maximum stability, impact resistance, and longevity, making it ideal for the most demanding residential environments or upscale light-commercial installations. It handles extreme conditions including moisture, humidity, temperature swings, and heavy use with ease, while minimizing subfloor prep and delivering a plush feel thanks to the enhanced core and attached underlayment for superior cushioning and sound absorption. Available in select high-end visuals with 3 colors in 7"x48", 3 colors in 9"x48", and additional premium formats, Rock Solid Premier combines sophisticated design with uncompromising performance for discerning customers who want the very best in dependable, beautiful flooring.