Termite and Wood Boring Insects - Holes in slab every 50"

I need advise again...


I checked the perimeter of the house for more tunnels and noticed that there are wholes drilled in the slab foundation (and patched with concrete) every 50''. This is a townhome (2 dwellings), I went to my neighbor's to see if they had that too, but no, it is only in my home.

From reading the posts, I guess previous owners either had a termite problem (and didn't disclose it *!?#$!) or did a preventative treatment. Yet, the distance of the holes doesn't match all reccomendations I read about (10"-12") What do you think? If there have been problems before, do I have any recourse? Can I find out what was done or who-- maybe there is a data bank by the industry... Does it matter what was done before?

FYI I purchased the townhome in 2004, the real state agent didn't mention a check on the termite subject, although it is a huge issue here, and yes, I am a 1st time owner and had no cue...

(By the way, termites are back at my door after I sprayed them with some bug spray.)

From what I've been told, holes spaced apart 18-24" are typical for treatments done in the late 80's or early 90's. Holes drilled between 10-12" are what they are today.

50" is pretty far.

There are no "databases" that I know of. I asked the same question to the Terminix guy that inspected my home.



By the way, bug spray will do nothing to termites. You may have killed a few, but when there's 1, there's hundreds.

Thanks!
Still trying to figur out the 50" holes, thing it is just cheapo termite treatment.

About the spray, yeah, I learned that. As soon as I discovered them I thought that I could take care of the problem, as a clean respectable house keeper should, so I over-bug-sprayed the area with the strongest thing I could find.
Next day I continued to read posts to educate myself, and read that it is important NOT TO DISTURB the little monsters, 'cause they'll move somewhere else, and then I'll be in bigger trouble.
I run to the kitchen door, and sure enough, they were gone (I was, like your little computer avatar, hitting my head against the door ...and disturbing them a little more)
By that afternoon they were right at it again, and I thought I was crazy, getting happy about the invaders' come back! I might have killed 2...

Drilling holes in the slab is a treatment that provides a barrier in the ground underneath the house.the idea is for the product to penetrate 2-3 feet into the soil so they cannot cross it and come into the house.

You may read on other treatment methods at ??? web site: (NAME DELETED)

http://www.NOADVERTISINGINFORUMS.html

If you are in the Northwest they can treat it naturally.

Drilling holes every 50" is not recommended but may not be a problem since the product is injected under a lot of pressure. As the sand settles under the slab it provides pockets where the product can pool up and disperse.

When we do slab injections we use a salt based product that deters them.

You should be concered about the rest of your house they only need 1/64th of a crack to get into other sections of your home.

The perimeter of the place?? are the holes drilled into the sides of the foundation?? could this be post-tension slab holes? those may be ~4 feet apart and usually have some mortar covering a bolt that's been tightened and the allthread cut flush