Duro-Last | 11,147 followers on LinkedIn. Duro‑Last® is a full system roofing provider, offering a complete portfolio of thermoplastic single-ply solutions. | Known as the “World’s Best Roof®”, Duro-Last is the only single-ply manufacturer offering custom-fabrication of the entire roofing system, including custom-fabricated PVC deck sheets, accessories and details, to precisely fit each building. A custom-fabricated Duro-Last Roofing System provides less maintenance and reliable roof performance for years to come. Whether you choose PVC custom-fabricated deck sheets or any of our PVC, KEE or TPO roll goods, we are committed to delivering a custom experience.