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Modified PVC Membrane

Modified Poly-Vinyl Chloride (PVC) membranes have been around since the mid 1970ís. Modified PVC systems share many characteristics with TPO systems in that they are easy to install, durable and energy efficient. Modified PVC roofing membrane can be installed using mechanical fasteners and plates, fully adhered in bonding adhesive or ballasted. In all applications, Modified PVC sheets are overlapped with the seams heat welded, fusing the sheets together. This type of system is highly resistant to wind and other weather factors. Because of the make-up of Modified PVC, it also is able to withstand rain and fire.

Advantages of Modified PVC Membranes

  • Heat welding provides exceptional seam strength
  • Lightweight; great for use as a recover system
  • Resists normal structural movement without splitting or cracking
  • Custom colors available
  • Available in .045 mil, .060 mil, .090 mil and .120 mil to meet every need
  • Long term warranties available
  • Fast track system for time sensitive projects


System Design Considerations

  • Roof must have positive drainage
  • Roof should not be expected to be used as a traffic surface
  • Buildings venting any type of contaminate onto the roof surface should incorporate grease traps or recovery systems

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