Keyhole Patch-Pads and Tools by Trenton

Keyhole Patch-Pads and Tools by Trenton
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The Trenton Keyhole Patch-Pad and Tools enable utilities to apply a coating to a pipe surface through a small-diameter hole or keyhole. The components include two tools (attached to extendable poles) and a Patch-Pad with pre-applied coating.

End Use

The system is an excellent solution for applying a coating through a small-diameter hole over cadwelds or coating holidays. Please see our Trenton Patchpad Application Video (9.6 MB).


  • Tool or hand-applied
  • Non-hazardous, no VOCs
  • No waiting for drying or curing
  • Immediate backfill
  • Minimal surface preparation


Patch-Pad: 4” X 4", 6' X 6'" and 5"×10" PAD
Tools: Patch-Pad applicator and a finishing tool