Husky 3 Piece Extra Wide Heavy Duty Welded Steel Garage Storage System – Pre Assembled, Black, Adjustable Shelves Nuts 3 sq ft Pieces per Color Finish:Highland Walnut 3 sq ft Pieces per Carton 10 Wear Layer Thickness 22 mils Protective Wear Layer Urethane ceramic Installation Type Interlocking Locking Mechanism Drop lock (Unilin) Edge Type Micro beveled Gloss Level Low Textured Yes (Smooth texture finish) Waterproof Yes Water Resistant Yes Scratch Resistant Yes Skid Resistant Yes Stain Resistant Yes Phthalate Free Yes FloorScore Certified Yes GREENGUARD Gold Certified Yes Commercial Residential Residential Use Location Indoor For Use Over Concrete Yes For Use Over Wood Yes For Use Over Tile Yes For Use Over Vinyl Yes Underlayment Included No Corresponding Moulding Item Number 3674489 Recommended Flooring Underlayment Item Number 1191177 Warranty 10 year limited UNSPSC 30161700 Sample Available Yes Sample Item Number 4139521 Sold As Carton Frequently Asked Questions (FAQ): reducing the need for a flat washer Secure Storage: Features a 3 way locking mechanism to keep your tools and equipment safe ) 74 in Frequently Asked Questions (FAQ):