Aug 28, 2018 - 07:44 AM
Aug 29, 2018 - 09:22 AM
If the original company that performed the Termidor treatment only treated the exterior perimeter and the termites are still active months later, then obviously the workers were not effected. This leads me to several thoughts - 1) The original treatment on the exterior missed their entry points (not thorough enough). 2) There are other entry points under or within the foundation of the the house that need to be treated. 3) There is a possible secondary colony contained within the subfloors/walls of the home (sometimes happens with extreme wetness) 4) You are possibly dealing with dampwood termites (much larger than your native subterranean termites).
In any of the above cases, since you have already paid a company to perform this treatment and it obviously has not worked up to this point, I would recommend to contact them and find out what course of action they want to take. They should guarantee their work and if not, then contact California DPR and file a complaint.
If this were my house, I would possibly foam all of the areas inside the subfloor joists / walls / floors etc with Termidor foam before ripping out any wood. It appears that there is further treatment needed over and beyond an exterior treatment. Foaming walls, subfloors etc, with Termidor is very common and effective.
Don't make the mistake of causing more damage than the termites. In other words, don't tear anything up unless it is structurally inadequate and needs replacing anyway.
Hope this helps.