Grell Roofing proudly installs Duro-Last roofing for commercial buildings throughout the Midwest. We truly believe this is the best flat roofing option because of its performance and many cost-savings advantages to you. Learn more about the Duro-Last Single-Ply Roof Membrane below and contact us today for your free estimate.
Constructed of a proprietary thermoplastic formulation consisting of PVC resins, plasticizers, stabilizers, biocides, flame retardants, and U.V. absorbents
Exceptional strength from a weft-insertion knitted scrim laminated between two layers of PVC film
Available in white, gray, dark gray, tan, or terra cotta
Prefabricated deck sheet sizes up to 2,500 square feet
Customized parapet, stack & curb flashings
Meets or exceeds all major fire & wind code requirements
Factory Mutual approved as a 1-60,1-75, 1-90, 1-95, 1-105, 1-135, 1-150, 1-165, 1-195, 1-210, 1-270, 1-435, and 1-495 roofing system
Underwriters Laboratories listing as Class A, B, & C approved material
IBC & MIAMI-DADE approved
Charter partner of ENERGY STAR® Roof Products Program
Charter member of Cool Roof Rating Council (CRRC) and a member of the United States Green Building Council (USGBC)
Member of American Society of Testing Materials (ASTM)