Flexco #550 Series 12 in x 42 in Stone Stair Tread Load Centers Pre assembled to save you time Porch Lights Pre assembled to save you time and effort 37 Pieces per Carton 10 Installation Type Interlocking Locking Mechanism Drop lock Floating Yes Underlayment Included Yes Use Location Indoor Commercial Residential Commercial Residential Waterproof Yes Water Resistant Yes Scratch Resistant Yes Stain Resistant Yes Edge Type Micro beveled Protective Wear Layer Acrylic Wear Layer Thickness (Mils) 20 Wear Layer (Mils) 20 Wear Layer Durability Heavy traffic (20 mil and above) For Use Over Concrete Yes For Use Over Wood Yes For Use Over Vinyl Yes For Use Over Tile Yes For Use in Kitchens Yes For Use in Bathrooms Yes Phthalate Free No Skid Resistant No Style Transitional Luxury Vinyl Plank Yes Textured No Wood Species Hickory Sample Available Yes Sample Item Number 2366410 Recommended Flooring Underlayment Item Number 1191177 Corresponding Moulding Item Number 864695 see Flexco for adhesive recommendations Q: Does it contain PVC or phthalates