Contract Altro Wood Adhesive Free Imperial Walnut AFW280009 Wood Effect Non Slip Commercial Vinyl Flooring. Altro Wood adhesive-free creates maximum impact with minimum downtime. Now with six NEW colours Altro Wood adhesive-free gives you 18 shade choices that match Altro Wood, 14dB sound reduction, a 10-year guarantee and our Altro one in a million slip-resistance reassurance, Altro Wood adhesive-free also offers high levels of comfort underfoot providing a safe, durable and decorative solution for busy spaces.