Pipe Penetrations

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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.