Flexco Nickel Gray Solid 18 in W x 18 in L Glue Down Vinyl Tile Flooring (2.25 sq ft Piece) Decorative Panels 21 Manufacturer Warranty Limited Lifetime 21 Manufacturer Warranty Limited Lifetime Certifications and Listings No Certifications or Listings Cord length: 70 in 25 Thickness Measurement 3 mm Tile Size 18 in x 18 in Wear Layer Thickness (Mils) 0 Width Measurement 18 in Backing Dry Back Commercial Residential Commercial Residential Construction Type Rubber Edge Type Straight edge Floating No For Use Over Concrete Yes For Use Over Cork Underlayment Yes For Use Over Tile No For Use Over Vinyl No For Use Over Wood Yes Gloss Level Medium Groutable No Installation Type Glue down Luxury Vinyl Tile No Pattern Solid Pieces per Carton 1 Protective Wear Layer Rubber Sample Available No Scratch Resistant No Self Adhesive No Sold As Piece Stain Resistant No Style Traditional Sub Floor Surface Wood or concrete Textured No Use Location Indoor Warranty 1 year limited Wear Layer Durability Light traffic (0 mil to 11 Q: What maintenance is required for these tiles