TILE & STONE PROVISION Style Number CS27W CS28W Construction porcelain porcelain Tile Type floor tile floor tile Tile Size 6" × 36" 8" × 48" Technical Wear Rating Group 4 4 Break Strength > 300 > 300 Water Absorption % < 0.5 < 0.5 DCOF > 0.5 > 0.5 Shade Variation V2 V2 Installation Area Floors, Walls, Exteriors Floors, Walls, Exteriors A DCOF value of > 0.42 is the new standard for tiles specified for commercial application in standard A137.1-2012, Section 9.6.