Hi there

I have a very large Spruce tree in a garden that I am looking after. The
tree has a large hole about the size of a Rugby Ball in one of the branches.

If we have a bad storm the branch may collapse causing damage to a Tennis
Court.

The owner does not want to remove the branch, preferring to fill the hole
and wedge the branch so that it will not fall.

Would anyone be able to recommend a non-toxic tree filler and supplier?

Thanks in anticipation

Ron Green