Stair Treads - Version 1.0 Find a full line of Stair Treads at Koffler Sales. Shop for vinyl, rubber, and metal stair treads for indoor or outdoor use increase safety by preventing slips. Easy to install! We carry Roppe and Johnsonite in many different styles and hundreds of colors. Koffler Sales offers the largest selection of stair tread products online. Our stair tread products are available in a number of styles and colors. We have the right stair treads for commercial, industrial, home, apartment, and residential installations. Featuring vinyl stair treads, rubber stair treads, and metal stair treads including landing tiles , cove risers, and our special epoxy and latex adhesives. http://www.kofflersales.com/stair-treads.asp.