Oak tree hole rot

   / Oak tree hole rot #11  
Rather that using mortar you could use a fix that I frequently use for woodpecker damage on my barn. I use plastic car bondo & some paint. It's a bit more expensive than mortar @$6/gal but easier to work with and won't ruin an unsuspecting chainsaw when it comes time to take it down. Your hole doesn’t sound that big so a gallon would work well and you could blend it in with the surrounding area to create a water runoff. Unfortunately, your tree likely has decayed wood that goes well beyond what you see.

It reminds me of an old apple tree of mine that was planted in the 40’s; it's far beyond the bondo fix. It's about 28-30" and completely hollow all the way up into its limps. It’s amazing the thing still stands through the wind and ice storms. It still grows & fruits. I think the only wood holding it up is the green wood and couple years prior wood. I'm beginning to think it will out live me.
Tim
 

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