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David from Tuckasegee, Nc writes

Can Bora-Care be applied to stained or painted wood?

I have powder post beetles and/or boring beetles coming out of the board and bat siding of my home. The wood is stained, but hasn't been refinished in about 15 years. Will the Bora-Care absorb into wood that has already been stained or painted?


No, Bora-Care can only be used on raw, untreated, unsealed wood. If you are trying to treat wood that is already stained or sealed, you either have to sand the finish off completely or your only other option is to drill holes in the areas that you see damaged and inject the Bora-Care directly into the wood; bypassing the stained layer.

Answer last updated on: 08/05/2019

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