Vestil Vinyl Strip Doors - Low Temperature Material help control noise, dust, fumes, and smoke while minimizing drafts, reducing illnesses, and accidents. The strip doors offer visual clarity without sacrificing safety and the fire resistant material is self-extinguishing. The material design also deters UV rays during direct sunlight when applied to loading docks and external doorways. The simple low cost design is easy to maintain, while reducing heating and cooling costs. The low temperature strips are made of a softer PVC compound which remains pliable in temperatures as low as -40 degrees Fahrenheit. All doors are shipped pre-assembled and ready for installation. Installation hardware not included. Custom door sizes available, contact Material Flow.If you need a large quantity of this product, call us at 1-800-338-1382 for additional bulk discounts!