It's important to use the right product and for warning tape, the right size needs to provide proper coverage over buried lines.
Signaltape® Underground Warning Tape is available in 4, 6, and 12-inch widths allowing for a customized fit for every project.
The width of warning tape used should be greater than or equal to the utility width. To follow this recommendation rolls of tape may be used side-by-side to provide the appropriate coverage.