Single Ply Roofing

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Single ply roofs were developed in the late 1960’s and commercialized in the 1970's. The Single Ply Roofs are ballasted, mechanically attached or adhered to insulation or other substrates. Single ply materials provide one ply of material to protect the building instead of the multiple layers in a built up or modified bitumen roof membrane.

Single Ply Roofing is made of a variety of chemical compounds from EPDM to PVC, TPO, KEE and more. The single ply material can be installed as a smooth surface (mechanically fastened or adhered), or ballasted with at least 10 lbs/sf of large round river rock. 

The ballast provides weight to help secure the assembly to the building. Single ply membranes can be white, tan, black in color.

Single ply roofs provide flexibility through elongation and weather resistance in addition to waterproofing properties. Seams are heat welded, glued or taped together at ends and side laps. Some systems add a sealant at side and end laps. 

The large round river washed rock used on top of the material provides extra fire-resistance.  Some are fire resistant without the rock or a coating applied. These roof membrane assemblies might also be used under photovoltaic and vegetative garden roof assemblies.

The single ply roof system has to be installed to the manufacturers installation instructions, the listing, where applicable, and the building code.

Visit the specific single ply membrane pages for more information.

Professional Chicagoland Roofing Council contractor roofing technicians understand the complexity of all types of roofing and get the installation done right the first time. Contact a CRC Contractor that has the equipment, workforce and technology to get your roof done right.

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The Chicagoland Roofing Council Professional Contractors lead the industry in rooftop installations. CRC Contractors work with Vegetative Garden Roofs, Light Colored Reflective Cool Roofs, Ballasted and Gravelled Roofs, Photovoltaic Solar Panel Installation, has protected Chicago Landmarks like McCormick Place, City Hall and more. CRC's main function is to promote the professionalism, culture of efficiency, safety, and productivity, expertise, and reliability of these dedicated contractors who provide the Best Value, Best Roofs, All Year Long.