When the solar panels were installed , a hole was drilled from roof into the cabin aft electrical chase, and filled with 5200. It took a couple of hours to remove it in bits and pieces but I removed the wires . Fortunately the wood is dry and should bevusing so much goop in the hole and on the roof. How can I repair the hole but keep the chase clear for running wires. I was thinking is using a piece of cardboard then cover with wax paper. Over the time the card board would break down. Another thought would make a round patch about size of shotgun cleaning patch, saturated with epoxy and carefully place into the hole shaft.
Thanks
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