Duro-Last
ConstructionMichigan, United States201-500 Employees
Duro-Last is a U.S.-based manufacturer in the construction sector focused on tailor-made, single-ply roofing systems. It provides end-to-end fabrication of the roof assembly, including deck sheets and related components, designed to fit each building precisely. The systems are designed to minimize maintenance and offer dependable performance for years, backed by warranties and a broad range of components from edge details to insulation and vapor barriers. Based in Saginaw, Michigan, the company serves the commercial low-slope roofing market through a network of contractors who install its customized systems for building owners, and it is part of the Amrize family of brands. In 2026, Duro-Last introduced a tie-in strip for PVC and TPO membranes at the International Roofing Expo, addressing transitions between membrane types.