Vinny wrote:
Hello,

I have some mature oak trees in my yard that
I had built a tree house in for my son about 6 years ago.
I've taken most it down and after I finish removing all of
the metal bolts from the trees I'm wondering what to
seal the holes with.
In the past I've heard that you can use roofing sealer
for this.
Is this still a good solution or is there something better?

Thanks in advance,
Vin

Now a days it is recommended that you do not seal wonds just let
them scar over.

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Travis in Shoreline (just North of Seattle) Washington
USDA Zone 8
Sunset Zone 5