PEI | SHADE & TEXTURE PEI RATINGS Group 5 Recommended for all interior residential and heavy commercial uses. Group 4 Recommended for all interior residential and moderate commercial uses. Group 3 Recommended for all interior residential and light commercial uses. Group 2 Recommended for all walls and bathroom floors where softer footwear is worn. Group 1 Recommended for residential interior walls. SHADE & TEXTURE RATINGS V1 LOW Low shade and texture variations within each carton V3 HIGH High shade and texture variations within each carton. S V2 MODERATE Distinguishable differences in texture and pattern within each color V4 RANDOM Random variations of shade and texture within each carton. IMPORTANT: It is imperative that tiles from various cartons be continually blended during installation to insure optimum appearance. IMPORTANT: It is imperative that tiles from various cartons be continually blended during installation to insure optimum appearance. Any questions or corrections to catalog should be sent to connie.corbin@shawinc.com