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Pipe Penetrations

  • When laying out the field sheets and a pipe is encountered, roll the folded membrane to the pipe.
  • Be sure to maintain the proper alignment of the sheet with the roof edge, wall, and seams.
  • Make a straight cut from the pipe to the nearest edge of the field sheet.
  • Cut a hole to match the diameter of the pipe and roll the field sheet around the pipe.
  • Check the final position of the sheet, making certain the membrane does not bridge up the pipe.
Pipe-Penetrations-Rubber-Flat-Roof