Next Floor Brookside Keystone 306-22003 is a 12mm waterproof laminate designed for everyday spills and high traffic. Keystone 306-22003 features AC4 durability, Embossed in Register (EIR) texture, and a four-sided colour-enhanced bevel, with angle-tap click floating installation (on, above, or below grade). 8.03" x 47.64" planks, 15.94 sq ft/carton. Category: Laminate. Brand: Next Floor. SKU: Next-306-22003.