Gentlemen: Rebuilding old grand piano. Question.....must repair three "cross grain" severe indentations in soundboard caused by three toggle bolts placed along a crack in soundboard . Will plug holes caused by the toggle bolt itself....will shim crack but will a mixture of epoxy and sawdust repair the "cross grain" indentations. If not, what are your suggestions. I am attempting to straighten up a mess made by what appears to be a "jack-legged"....'pianerrrr' tuner . Will epoxy stand up to the vibration of the board? Can it be sanded? The indentations are approx. 3/4" long and there are three of them. Would appreciate any suggestions. Thank you TommyBlack Decatur, Ala.
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