Pre-construction soil treatment is a preventative way to protect your home against subterranean termites. This type of treatment provides a chemical barrier to protect your new home from termites. Soil treatments guard against termite entry through the open spaces of utility lines like the crevices at plumbing stub outs as well as joints in the concrete.
The best time to do a soil treatment is two hours before you pour concrete for the foundation. It is best for the soil treatment to occur once the fill has been compacted and the rough plumbing and utility lines have been installed.