Dark Grey Varnished Oak Planks U1305  SURFACE FINISHES: Textured Subtle texture creates a more realistic wood effect. PLANK EDGE: Square Square edges create a seamless transition. SPECS: Type: Single Plank AC Rating: AC4 - Flooring is fit for commercial operations with standard amounts of foot traffic such as a small shop or office. Planks / Sq. Ft. per Carton : 8 / ± 18.5378 Residential Limited Lifetime & Commercial 5-Year Warranty The Residential and Commercial 5-Year Warranties cover defects in material and/or workmanship which relate to joint integrity, staining, fading, wear and moisture resistance during normal use.