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Jeff from Philipsburg, Pa writes,

I'm making a mantel from an old beam and want to treat with Bora-care. How long to kill beetles?

The beam is very solid, but does have some pin holes that look like powder-post beatles. I can't tell how old these holes are.


Bora-Care will take up to 30 days or more to penetrate all the way through the wood.  It will only kill active beetles that are eating.  If there are dormant beetles that are not active, but become active later, let's say next year, you could see new activity at that time, but they will die once they start eating since Bora-Care stays in the wood forever.  It is common to see activity at a later date since beetles are not all active at the same time.

Answer last updated on: 01/02/2013

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