Timbor is in a powder form that is mixed with water. ... If you have an active infestation of termites, powder-post beetles or wood borers deep inside the wood then Timbor would not make it through the wood to kill these insects, up to 4 inches with one application or 8 with 2 appliations.

What will kill powder post beetles?

Kiln-dried lumber is heated for a period of hours to a temperature of about 125-140°F. This is sufficient to kill all stages of powderpost beetles that might be in the wood prior to heating. However, even wood that is properly kiln dried may become infested during subsequent storage and transit.

How do you fix powder post beetle damage?

The simplest treatment is to remove and replace the infested wood. Other options include application of liquid insecticide to the surface of the infested wood or injection of liquid into the feeding galleries. Pieces of furniture can be fumigated in a special vault or chamber.