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Three weeks ago we explained two advantages of the expanding nature of UPR Utility Pole Repair: a smaller package for storage and toting, and better wood integration. There's a third advantage, and it may be the most important. UPR eliminates the need to drill access or "pilot" holes for filling cavities above the top of the pole opening. Consider the instruction for installation of non-expanding competitive product OsmoWeld® MPF by Osmose Utilities Services: "To ensure the cavity is completely filled, drill a pilot hole from above the damaged area into the crown of the cavity. This should be done with a 7/8” drill bit." View the pole cross section in their product information bulletin, where they go on to say you must then ... "Plug [the] pilot hole with 15/16” treated wood dowel and wipe off excess." Similarly, a photo on page 3 of the Crosslink Technology flyer, clearly shows installation through a pilot hole for their non-expanding product, Pecker Patch®. UPR, on the other hand, can be installed through the wrapped woodpecker hole, as shown to the left. The foam expands upward, filling the entire cavity--even sections above the top of the side hole. The significance of eliminating this pilot hole step is huge:
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