US Polymers is a California based manufacturer of Duramax Sheds. Established in 1983, to manufacture PVC compounds for the U.S market, USP has become a major extruder of vinyl outdoor storage sheds and other building products. The international connection with the Harwal Group has allowed USP to gain access to the latest in PVC technology worldwide.
DuraMax Building Products carries a broad assortment of sizes and types that can shipped nationwide. Whether vinyl or metal, large or small there are choices to fit all your needs.
Intelligently designed, DuraMax offers the advantages of vinyl eliminating rotting wood or rusting metal. With its contemporary design and neutral color, DuraMax is more than just a storage shed; it’s an ideal activity or storage room.