Lawrence from Vallejo, Ca writes,
Sub slab termite treatment at 18" depth soaked in very quickly, should I backfill and retry at 8" depth?
Hello, I purchased your Dominon 2L and followed the directions for sub-slab treatment found on your link: http://www.domyownpestcontrol.com/how-to-perform-termite-treatment-a-87.html I was expecting the 18" (12" below 6" slab ) holes to continually fill up and slowly soak into all the dirt below my slab, but the liquid was soaked up very quickly by the soil and I never saw the holes fill up. The dirt at 12 inches below the slab is definitely saturated now, but I'm wondering if the dirt above that depth, up to the bottom of the slab, is still dry? I'm thinking of backfilling the holes to about 2 inches below the slab (8" total depth including the 6" slab) and re-treating with another 1/2 gallon per hole. Would you recommend this or do you think the liquid was able to wick all the way up from the 12" depth? Thanks for you help, Lawrence S.
Typically if the product is soaked up that fast and does not fill the holes, it usually means that the soil has most likely settled away from the slab and there are air pockets between the soil and the bottom of the slab. Typically you do not want to put untreated soil back in the hole under any circumstances. Either way, the product should as you put it “wick” its way back up if the soil is securely under the slab. Also, since termites come from much deeper underground up towards the surface, they should walk through the product regardless of if it is directly below the slab or not. As long as you placed the recommended 4 gallons per 10 lineal feet in the holes you should be fine.
Answer last updated on: 04/22/2013