I have an older but expensive piano that appears to have woodworms. I think your website calls them powderpost beetles. Can you please tell me which product I should be to treat the bottom (unfinished) side of my piano?
If you review our woodworm control article, you’ll see there are several products that can be applied. But no doubt the best one to use if possible is BORACARE.
Boracare is the “best” because it can penetrate raw wood and in doing so, you can reach deep into the wood where feeding larvae are causing damage.
The only key for the treatment to be successful is that Boracare will only penetrate unfinished wood.
Now since you refer to the bottom as being “unfinished”, this would be where the Boracare should be applied. It would also be smart to treat any cabinet areas which are unfinished. These areas will readily soak up Boracare so if you apply it with a paint brush, you can usually get the treatment done without making a mess. This would include the keyboard cabinet, under the bench cushion, etc.
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