TILE & STONE EMBERWOOD Style Number CS69Z CS70Z CS72Z CS92Z Construction porcelain porcelain porcelain porcelain Tile Type floor tile floor tile bullnose herringbone mosaic Tile Size 7" × 47" 2.5" × 16" 2.5" × 16" 11" × 13.5" Technical Wear Rating Group 4 4 4 4 Break Strength > 400 > 400 > 400 > 400 Water Absorption % < 0.5 < 0.5 < 0.5 < 0.5 DCOF > 0.5 > 0.5 > 0.5 > 0.