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Commercial Roofing Systems

JBK, Inc. has over 20 years of high-quality experience in installing all types of commercial roofing systems. With the expertise, experience, and quality standard that the JBK, Inc. team has, we can install a wide range of roofing products and systems to meet your needs. We offer a variety of roofing products, including:


  • Duro-Last® Custom-Fabricated System

    The Duro-Last flagship membrane is a proprietary thermoplastic formulation that provides exceptional flexibility, reflectivity and resistance to UV radiation, fire and a broad range of chemicals. A key Duro-Last difference is a weft-insertion anti-wicking scrim with a density of 18 by 14 threads per inch – which gives the Duro-Last membrane its strength and durability.

  • Duro-Tuff®

    Duro-Last is committed to the benefits of custom-fabrication, but realize it may not be the ideal solution for all jobs. Duro-Tuff roll goods provide a better product while also providing a cost-effective, secure and watertight installation.

  • Duro-Fleece®

    Duro-Fleece combines a PVC thermoplastic membrane and a high-quality fleece material on the underside of the membrane. Duro-Fleece membranes are an ideal product for use in adhered and mechanically fastened applications over a wide variety of roof substrates.

  • Duro-Last® EV

    Duro-Last’s ketone ethylene ester (KEE) containing membrane, Duro-Last EV, offers the UV resistance, reflectivity and chemical resistance that Duro-Last is known for. Duro-Last EV is flexible and weldable in low temperatures and performs well in cold, harsh environments.

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